@@ -1121,6 +1121,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
i8042.notimeout [HW] Ignore timeout condition signalled by controller
i8042.reset [HW] Reset the controller during init and cleanup
i8042.unlock [HW] Unlock (ignore) the keylock
+ i8042.kbdreset [HW] Reset device connected to KBD port
i810= [HW,DRM]
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 13
SUBLEVEL = 11
-EXTRAVERSION = -ckt15
+EXTRAVERSION = -ckt16
NAME = King of Alienated Frog Porn
# *DOCUMENTATION*
@@ -157,7 +157,7 @@
#size-cells = <0>;
compatible = "fsl,imx25-cspi", "fsl,imx35-cspi";
reg = <0x43fa4000 0x4000>;
- clocks = <&clks 62>, <&clks 62>;
+ clocks = <&clks 78>, <&clks 78>;
clock-names = "ipg", "per";
interrupts = <14>;
status = "disabled";
@@ -351,7 +351,7 @@
compatible = "fsl,imx25-pwm", "fsl,imx27-pwm";
#pwm-cells = <2>;
reg = <0x53fa0000 0x4000>;
- clocks = <&clks 106>, <&clks 36>;
+ clocks = <&clks 106>, <&clks 52>;
clock-names = "ipg", "per";
interrupts = <36>;
};
@@ -370,7 +370,7 @@
compatible = "fsl,imx25-pwm", "fsl,imx27-pwm";
#pwm-cells = <2>;
reg = <0x53fa8000 0x4000>;
- clocks = <&clks 107>, <&clks 36>;
+ clocks = <&clks 107>, <&clks 52>;
clock-names = "ipg", "per";
interrupts = <41>;
};
@@ -411,7 +411,7 @@
pwm4: pwm@53fc8000 {
compatible = "fsl,imx25-pwm", "fsl,imx27-pwm";
reg = <0x53fc8000 0x4000>;
- clocks = <&clks 108>, <&clks 36>;
+ clocks = <&clks 108>, <&clks 52>;
clock-names = "ipg", "per";
interrupts = <42>;
};
@@ -457,7 +457,7 @@
compatible = "fsl,imx25-pwm", "fsl,imx27-pwm";
#pwm-cells = <2>;
reg = <0x53fe0000 0x4000>;
- clocks = <&clks 105>, <&clks 36>;
+ clocks = <&clks 105>, <&clks 52>;
clock-names = "ipg", "per";
interrupts = <26>;
};
@@ -118,6 +118,7 @@ CONFIG_FB_SIMPLE=y
CONFIG_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_EXYNOS=y
CONFIG_USB_EHCI_TEGRA=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_ISP1760_HCD=y
@@ -93,6 +93,6 @@ module_exit(aes_fini);
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm (ASM)");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("aes");
-MODULE_ALIAS("aes-asm");
+MODULE_ALIAS_CRYPTO("aes");
+MODULE_ALIAS_CRYPTO("aes-asm");
MODULE_AUTHOR("David McCullough <ucdevel@gmail.com>");
@@ -175,5 +175,5 @@ module_exit(sha1_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm (ARM)");
-MODULE_ALIAS("sha1");
+MODULE_ALIAS_CRYPTO("sha1");
MODULE_AUTHOR("David McCullough <ucdevel@gmail.com>");
@@ -161,7 +161,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
post_div_table[1].div = 1;
post_div_table[2].div = 1;
video_div_table[1].div = 1;
- video_div_table[2].div = 1;
+ video_div_table[3].div = 1;
};
/* type name parent_name base div_mask */
@@ -513,11 +513,11 @@ static void __init realtime_counter_init(void)
rate = clk_get_rate(sys_clk);
/* Numerator/denumerator values refer TRM Realtime Counter section */
switch (rate) {
- case 1200000:
+ case 12000000:
num = 64;
den = 125;
break;
- case 1300000:
+ case 13000000:
num = 768;
den = 1625;
break;
@@ -529,11 +529,11 @@ static void __init realtime_counter_init(void)
num = 192;
den = 625;
break;
- case 2600000:
+ case 26000000:
num = 384;
den = 1625;
break;
- case 2700000:
+ case 27000000:
num = 256;
den = 1125;
break;
@@ -33,11 +33,18 @@
#endif /*!CONFIG_PA20*/
-/* LDCW, the only atomic read-write operation PA-RISC has. *sigh*. */
+/* LDCW, the only atomic read-write operation PA-RISC has. *sigh*.
+ We don't explicitly expose that "*a" may be written as reload
+ fails to find a register in class R1_REGS when "a" needs to be
+ reloaded when generating 64-bit PIC code. Instead, we clobber
+ memory to indicate to the compiler that the assembly code reads
+ or writes to items other than those listed in the input and output
+ operands. This may pessimize the code somewhat but __ldcw is
+ usually used within code blocks surrounded by memory barriors. */
#define __ldcw(a) ({ \
unsigned __ret; \
- __asm__ __volatile__(__LDCW " 0(%2),%0" \
- : "=r" (__ret), "+m" (*(a)) : "r" (a)); \
+ __asm__ __volatile__(__LDCW " 0(%1),%0" \
+ : "=r" (__ret) : "r" (a) : "memory"); \
__ret; \
})
@@ -154,4 +154,5 @@ module_exit(sha1_powerpc_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");
-MODULE_ALIAS("sha1-powerpc");
+MODULE_ALIAS_CRYPTO("sha1");
+MODULE_ALIAS_CRYPTO("sha1-powerpc");
@@ -976,7 +976,7 @@ static void __exit aes_s390_fini(void)
module_init(aes_s390_init);
module_exit(aes_s390_fini);
-MODULE_ALIAS("aes-all");
+MODULE_ALIAS_CRYPTO("aes-all");
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
MODULE_LICENSE("GPL");
@@ -616,8 +616,8 @@ static void __exit des_s390_exit(void)
module_init(des_s390_init);
module_exit(des_s390_exit);
-MODULE_ALIAS("des");
-MODULE_ALIAS("des3_ede");
+MODULE_ALIAS_CRYPTO("des");
+MODULE_ALIAS_CRYPTO("des3_ede");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms");
@@ -160,7 +160,7 @@ static void __exit ghash_mod_exit(void)
module_init(ghash_mod_init);
module_exit(ghash_mod_exit);
-MODULE_ALIAS("ghash");
+MODULE_ALIAS_CRYPTO("ghash");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("GHASH Message Digest Algorithm, s390 implementation");
@@ -103,6 +103,6 @@ static void __exit sha1_s390_fini(void)
module_init(sha1_s390_init);
module_exit(sha1_s390_fini);
-MODULE_ALIAS("sha1");
+MODULE_ALIAS_CRYPTO("sha1");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");
@@ -143,7 +143,7 @@ static void __exit sha256_s390_fini(void)
module_init(sha256_s390_init);
module_exit(sha256_s390_fini);
-MODULE_ALIAS("sha256");
-MODULE_ALIAS("sha224");
+MODULE_ALIAS_CRYPTO("sha256");
+MODULE_ALIAS_CRYPTO("sha224");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA256 and SHA224 Secure Hash Algorithm");
@@ -86,7 +86,7 @@ static struct shash_alg sha512_alg = {
}
};
-MODULE_ALIAS("sha512");
+MODULE_ALIAS_CRYPTO("sha512");
static int sha384_init(struct shash_desc *desc)
{
@@ -126,7 +126,7 @@ static struct shash_alg sha384_alg = {
}
};
-MODULE_ALIAS("sha384");
+MODULE_ALIAS_CRYPTO("sha384");
static int __init init(void)
{
@@ -499,6 +499,6 @@ module_exit(aes_sparc64_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("AES Secure Hash Algorithm, sparc64 aes opcode accelerated");
-MODULE_ALIAS("aes");
+MODULE_ALIAS_CRYPTO("aes");
#include "crop_devid.c"
@@ -322,6 +322,6 @@ module_exit(camellia_sparc64_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Camellia Cipher Algorithm, sparc64 camellia opcode accelerated");
-MODULE_ALIAS("aes");
+MODULE_ALIAS_CRYPTO("aes");
#include "crop_devid.c"
@@ -176,6 +176,6 @@ module_exit(crc32c_sparc64_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated");
-MODULE_ALIAS("crc32c");
+MODULE_ALIAS_CRYPTO("crc32c");
#include "crop_devid.c"
@@ -532,6 +532,6 @@ module_exit(des_sparc64_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms, sparc64 des opcode accelerated");
-MODULE_ALIAS("des");
+MODULE_ALIAS_CRYPTO("des");
#include "crop_devid.c"
@@ -185,6 +185,6 @@ module_exit(md5_sparc64_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MD5 Secure Hash Algorithm, sparc64 md5 opcode accelerated");
-MODULE_ALIAS("md5");
+MODULE_ALIAS_CRYPTO("md5");
#include "crop_devid.c"
@@ -180,6 +180,6 @@ module_exit(sha1_sparc64_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, sparc64 sha1 opcode accelerated");
-MODULE_ALIAS("sha1");
+MODULE_ALIAS_CRYPTO("sha1");
#include "crop_devid.c"
@@ -237,7 +237,7 @@ module_exit(sha256_sparc64_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm, sparc64 sha256 opcode accelerated");
-MODULE_ALIAS("sha224");
-MODULE_ALIAS("sha256");
+MODULE_ALIAS_CRYPTO("sha224");
+MODULE_ALIAS_CRYPTO("sha256");
#include "crop_devid.c"
@@ -222,7 +222,7 @@ module_exit(sha512_sparc64_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA-384 and SHA-512 Secure Hash Algorithm, sparc64 sha512 opcode accelerated");
-MODULE_ALIAS("sha384");
-MODULE_ALIAS("sha512");
+MODULE_ALIAS_CRYPTO("sha384");
+MODULE_ALIAS_CRYPTO("sha512");
#include "crop_devid.c"
@@ -866,7 +866,7 @@ source "kernel/Kconfig.preempt"
config X86_UP_APIC
bool "Local APIC support on uniprocessors"
- depends on X86_32 && !SMP && !X86_32_NON_STANDARD && !PCI_MSI
+ depends on X86_32 && !SMP && !X86_32_NON_STANDARD
---help---
A local APIC (Advanced Programmable Interrupt Controller) is an
integrated interrupt controller in the CPU. If you have a single-CPU
@@ -877,6 +877,10 @@ config X86_UP_APIC
performance counters), and the NMI watchdog which detects hard
lockups.
+config X86_UP_APIC_MSI
+ def_bool y
+ select X86_UP_APIC if X86_32 && !SMP && !X86_32_NON_STANDARD && PCI_MSI
+
config X86_UP_IOAPIC
bool "IO-APIC support on uniprocessors"
depends on X86_UP_APIC
@@ -401,6 +401,8 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
unsigned char *output,
unsigned long output_len)
{
+ unsigned char *output_orig = output;
+
real_mode = rmode;
sanitize_boot_params(real_mode);
@@ -439,7 +441,12 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
debug_putstr("\nDecompressing Linux... ");
decompress(input_data, input_len, NULL, NULL, output, NULL, error);
parse_elf(output);
- handle_relocations(output, output_len);
+ /*
+ * 32-bit always performs relocations. 64-bit relocations are only
+ * needed if kASLR has chosen a different load address.
+ */
+ if (!IS_ENABLED(CONFIG_X86_64) || output != output_orig)
+ handle_relocations(output, output_len);
debug_putstr("done.\nBooting the kernel.\n");
return;
}
@@ -66,5 +66,5 @@ module_exit(aes_fini);
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, asm optimized");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("aes");
-MODULE_ALIAS("aes-asm");
+MODULE_ALIAS_CRYPTO("aes");
+MODULE_ALIAS_CRYPTO("aes-asm");
@@ -1373,4 +1373,4 @@ module_exit(aesni_exit);
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, Intel AES-NI instructions optimized");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("aes");
+MODULE_ALIAS_CRYPTO("aes");
@@ -481,5 +481,5 @@ module_exit(fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Blowfish Cipher Algorithm, asm optimized");
-MODULE_ALIAS("blowfish");
-MODULE_ALIAS("blowfish-asm");
+MODULE_ALIAS_CRYPTO("blowfish");
+MODULE_ALIAS_CRYPTO("blowfish-asm");
@@ -582,5 +582,5 @@ module_exit(camellia_aesni_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Camellia Cipher Algorithm, AES-NI/AVX2 optimized");
-MODULE_ALIAS("camellia");
-MODULE_ALIAS("camellia-asm");
+MODULE_ALIAS_CRYPTO("camellia");
+MODULE_ALIAS_CRYPTO("camellia-asm");
@@ -574,5 +574,5 @@ module_exit(camellia_aesni_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Camellia Cipher Algorithm, AES-NI/AVX optimized");
-MODULE_ALIAS("camellia");
-MODULE_ALIAS("camellia-asm");
+MODULE_ALIAS_CRYPTO("camellia");
+MODULE_ALIAS_CRYPTO("camellia-asm");
@@ -1725,5 +1725,5 @@ module_exit(fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Camellia Cipher Algorithm, asm optimized");
-MODULE_ALIAS("camellia");
-MODULE_ALIAS("camellia-asm");
+MODULE_ALIAS_CRYPTO("camellia");
+MODULE_ALIAS_CRYPTO("camellia-asm");
@@ -494,4 +494,4 @@ module_exit(cast5_exit);
MODULE_DESCRIPTION("Cast5 Cipher Algorithm, AVX optimized");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("cast5");
+MODULE_ALIAS_CRYPTO("cast5");
@@ -611,4 +611,4 @@ module_exit(cast6_exit);
MODULE_DESCRIPTION("Cast6 Cipher Algorithm, AVX optimized");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("cast6");
+MODULE_ALIAS_CRYPTO("cast6");
@@ -197,5 +197,5 @@ module_exit(crc32_pclmul_mod_fini);
MODULE_AUTHOR("Alexander Boyko <alexander_boyko@xyratex.com>");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("crc32");
-MODULE_ALIAS("crc32-pclmul");
+MODULE_ALIAS_CRYPTO("crc32");
+MODULE_ALIAS_CRYPTO("crc32-pclmul");
@@ -280,5 +280,5 @@ MODULE_AUTHOR("Austin Zhang <austin.zhang@intel.com>, Kent Liu <kent.liu@intel.c
MODULE_DESCRIPTION("CRC32c (Castagnoli) optimization using Intel Hardware.");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("crc32c");
-MODULE_ALIAS("crc32c-intel");
+MODULE_ALIAS_CRYPTO("crc32c");
+MODULE_ALIAS_CRYPTO("crc32c-intel");
@@ -147,5 +147,5 @@ MODULE_AUTHOR("Tim Chen <tim.c.chen@linux.intel.com>");
MODULE_DESCRIPTION("T10 DIF CRC calculation accelerated with PCLMULQDQ.");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("crct10dif");
-MODULE_ALIAS("crct10dif-pclmul");
+MODULE_ALIAS_CRYPTO("crct10dif");
+MODULE_ALIAS_CRYPTO("crct10dif-pclmul");
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/crypto.h>
#include <asm/i387.h>
struct crypto_fpu_ctx {
@@ -159,3 +160,5 @@ void __exit crypto_fpu_exit(void)
{
crypto_unregister_template(&crypto_fpu_tmpl);
}
+
+MODULE_ALIAS_CRYPTO("fpu");
@@ -341,4 +341,4 @@ module_exit(ghash_pclmulqdqni_mod_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("GHASH Message Digest Algorithm, "
"acclerated by PCLMULQDQ-NI");
-MODULE_ALIAS("ghash");
+MODULE_ALIAS_CRYPTO("ghash");
@@ -119,5 +119,5 @@ module_exit(fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION ("Salsa20 stream cipher algorithm (optimized assembly version)");
-MODULE_ALIAS("salsa20");
-MODULE_ALIAS("salsa20-asm");
+MODULE_ALIAS_CRYPTO("salsa20");
+MODULE_ALIAS_CRYPTO("salsa20-asm");
@@ -558,5 +558,5 @@ module_exit(fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Serpent Cipher Algorithm, AVX2 optimized");
-MODULE_ALIAS("serpent");
-MODULE_ALIAS("serpent-asm");
+MODULE_ALIAS_CRYPTO("serpent");
+MODULE_ALIAS_CRYPTO("serpent-asm");
@@ -617,4 +617,4 @@ module_exit(serpent_exit);
MODULE_DESCRIPTION("Serpent Cipher Algorithm, AVX optimized");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("serpent");
+MODULE_ALIAS_CRYPTO("serpent");
@@ -618,4 +618,4 @@ module_exit(serpent_sse2_exit);
MODULE_DESCRIPTION("Serpent Cipher Algorithm, SSE2 optimized");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("serpent");
+MODULE_ALIAS_CRYPTO("serpent");
@@ -237,4 +237,4 @@ module_exit(sha1_ssse3_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, Supplemental SSE3 accelerated");
-MODULE_ALIAS("sha1");
+MODULE_ALIAS_CRYPTO("sha1");
@@ -318,5 +318,5 @@ module_exit(sha256_ssse3_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA256 Secure Hash Algorithm, Supplemental SSE3 accelerated");
-MODULE_ALIAS("sha256");
-MODULE_ALIAS("sha224");
+MODULE_ALIAS_CRYPTO("sha256");
+MODULE_ALIAS_CRYPTO("sha224");
@@ -326,5 +326,5 @@ module_exit(sha512_ssse3_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA512 Secure Hash Algorithm, Supplemental SSE3 accelerated");
-MODULE_ALIAS("sha512");
-MODULE_ALIAS("sha384");
+MODULE_ALIAS_CRYPTO("sha512");
+MODULE_ALIAS_CRYPTO("sha384");
@@ -579,4 +579,4 @@ module_exit(twofish_exit);
MODULE_DESCRIPTION("Twofish Cipher Algorithm, AVX optimized");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("twofish");
+MODULE_ALIAS_CRYPTO("twofish");
@@ -96,5 +96,5 @@ module_exit(fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION ("Twofish Cipher Algorithm, asm optimized");
-MODULE_ALIAS("twofish");
-MODULE_ALIAS("twofish-asm");
+MODULE_ALIAS_CRYPTO("twofish");
+MODULE_ALIAS_CRYPTO("twofish-asm");
@@ -495,5 +495,5 @@ module_exit(fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Twofish Cipher Algorithm, 3-way parallel asm optimized");
-MODULE_ALIAS("twofish");
-MODULE_ALIAS("twofish-asm");
+MODULE_ALIAS_CRYPTO("twofish");
+MODULE_ALIAS_CRYPTO("twofish-asm");
@@ -251,7 +251,8 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu)
gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i];
}
-#define _LDT_empty(info) \
+/* This intentionally ignores lm, since 32-bit apps don't have that field. */
+#define LDT_empty(info) \
((info)->base_addr == 0 && \
(info)->limit == 0 && \
(info)->contents == 0 && \
@@ -261,11 +262,18 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu)
(info)->seg_not_present == 1 && \
(info)->useable == 0)
-#ifdef CONFIG_X86_64
-#define LDT_empty(info) (_LDT_empty(info) && ((info)->lm == 0))
-#else
-#define LDT_empty(info) (_LDT_empty(info))
-#endif
+/* Lots of programs expect an all-zero user_desc to mean "no segment at all". */
+static inline bool LDT_zero(const struct user_desc *info)
+{
+ return (info->base_addr == 0 &&
+ info->limit == 0 &&
+ info->contents == 0 &&
+ info->read_exec_only == 0 &&
+ info->seg_32bit == 0 &&
+ info->limit_in_pages == 0 &&
+ info->seg_not_present == 0 &&
+ info->useable == 0);
+}
static inline void clear_LDT(void)
{
@@ -34,7 +34,7 @@ static inline unsigned int __getcpu(void)
native_read_tscp(&p);
} else {
/* Load per CPU data from GDT */
- asm("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG));
+ asm volatile ("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG));
}
return p;
@@ -67,6 +67,7 @@ static struct clocksource hyperv_cs = {
.rating = 400, /* use this when running on Hyperv*/
.read = read_hv_clock,
.mask = CLOCKSOURCE_MASK(64),
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static void __init ms_hyperv_init_platform(void)
@@ -1017,6 +1017,15 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
regs->flags &= ~X86_EFLAGS_IF;
trace_hardirqs_off();
regs->ip = (unsigned long)(jp->entry);
+
+ /*
+ * jprobes use jprobe_return() which skips the normal return
+ * path of the function, and this messes up the accounting of the
+ * function graph tracer to get messed up.
+ *
+ * Pause function graph tracing while performing the jprobe function.
+ */
+ pause_graph_tracing();
return 1;
}
@@ -1042,24 +1051,25 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
u8 *addr = (u8 *) (regs->ip - 1);
struct jprobe *jp = container_of(p, struct jprobe, kp);
+ void *saved_sp = kcb->jprobe_saved_sp;
if ((addr > (u8 *) jprobe_return) &&
(addr < (u8 *) jprobe_return_end)) {
- if (stack_addr(regs) != kcb->jprobe_saved_sp) {
+ if (stack_addr(regs) != saved_sp) {
struct pt_regs *saved_regs = &kcb->jprobe_saved_regs;
printk(KERN_ERR
"current sp %p does not match saved sp %p\n",
- stack_addr(regs), kcb->jprobe_saved_sp);
+ stack_addr(regs), saved_sp);
printk(KERN_ERR "Saved registers for jprobe %p\n", jp);
show_regs(saved_regs);
printk(KERN_ERR "Current registers\n");
show_regs(regs);
BUG();
}
+ /* It's OK to start function graph tracing again */
+ unpause_graph_tracing();
*regs = kcb->jprobe_saved_regs;
- memcpy((kprobe_opcode_t *)(kcb->jprobe_saved_sp),
- kcb->jprobes_stack,
- MIN_STACK_SIZE(kcb->jprobe_saved_sp));
+ memcpy(saved_sp, kcb->jprobes_stack, MIN_STACK_SIZE(saved_sp));
preempt_enable_no_resched();
return 1;
}
@@ -29,7 +29,28 @@ static int get_free_idx(void)
static bool tls_desc_okay(const struct user_desc *info)
{
- if (LDT_empty(info))
+ /*
+ * For historical reasons (i.e. no one ever documented how any
+ * of the segmentation APIs work), user programs can and do
+ * assume that a struct user_desc that's all zeros except for
+ * entry_number means "no segment at all". This never actually
+ * worked. In fact, up to Linux 3.19, a struct user_desc like
+ * this would create a 16-bit read-write segment with base and
+ * limit both equal to zero.
+ *
+ * That was close enough to "no segment at all" until we
+ * hardened this function to disallow 16-bit TLS segments. Fix
+ * it up by interpreting these zeroed segments the way that they
+ * were almost certainly intended to be interpreted.
+ *
+ * The correct way to ask for "no segment at all" is to specify
+ * a user_desc that satisfies LDT_empty. To keep everything
+ * working, we accept both.
+ *
+ * Note that there's a similar kludge in modify_ldt -- look at
+ * the distinction between modes 1 and 0x11.
+ */
+ if (LDT_empty(info) || LDT_zero(info))
return true;
/*
@@ -71,7 +92,7 @@ static void set_tls_desc(struct task_struct *p, int idx,
cpu = get_cpu();
while (n-- > 0) {
- if (LDT_empty(info))
+ if (LDT_empty(info) || LDT_zero(info))
desc->a = desc->b = 0;
else
fill_ldt(desc, info);
@@ -386,7 +386,7 @@ static unsigned long quick_pit_calibrate(void)
goto success;
}
}
- pr_err("Fast TSC calibration failed\n");
+ pr_info("Fast TSC calibration failed\n");
return 0;
success:
@@ -2296,7 +2296,7 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
* Not recognized on AMD in compat mode (but is recognized in legacy
* mode).
*/
- if ((ctxt->mode == X86EMUL_MODE_PROT32) && (efer & EFER_LMA)
+ if ((ctxt->mode != X86EMUL_MODE_PROT64) && (efer & EFER_LMA)
&& !vendor_intel(ctxt))
return emulate_ud(ctxt);
@@ -2309,25 +2309,13 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
setup_syscalls_segments(ctxt, &cs, &ss);
ops->get_msr(ctxt, MSR_IA32_SYSENTER_CS, &msr_data);
- switch (ctxt->mode) {
- case X86EMUL_MODE_PROT32:
- if ((msr_data & 0xfffc) == 0x0)
- return emulate_gp(ctxt, 0);
- break;
- case X86EMUL_MODE_PROT64:
- if (msr_data == 0x0)
- return emulate_gp(ctxt, 0);
- break;
- default:
- break;
- }
+ if ((msr_data & 0xfffc) == 0x0)
+ return emulate_gp(ctxt, 0);
ctxt->eflags &= ~(EFLG_VM | EFLG_IF | EFLG_RF);
- cs_sel = (u16)msr_data;
- cs_sel &= ~SELECTOR_RPL_MASK;
+ cs_sel = (u16)msr_data & ~SELECTOR_RPL_MASK;
ss_sel = cs_sel + 8;
- ss_sel &= ~SELECTOR_RPL_MASK;
- if (ctxt->mode == X86EMUL_MODE_PROT64 || (efer & EFER_LMA)) {
+ if (efer & EFER_LMA) {
cs.d = 0;
cs.l = 1;
}
@@ -2336,10 +2324,11 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
ops->set_segment(ctxt, ss_sel, &ss, 0, VCPU_SREG_SS);
ops->get_msr(ctxt, MSR_IA32_SYSENTER_EIP, &msr_data);
- ctxt->_eip = msr_data;
+ ctxt->_eip = (efer & EFER_LMA) ? msr_data : (u32)msr_data;
ops->get_msr(ctxt, MSR_IA32_SYSENTER_ESP, &msr_data);
- *reg_write(ctxt, VCPU_REGS_RSP) = msr_data;
+ *reg_write(ctxt, VCPU_REGS_RSP) = (efer & EFER_LMA) ? msr_data :
+ (u32)msr_data;
return X86EMUL_CONTINUE;
}
@@ -4378,7 +4378,7 @@ void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm)
* zap all shadow pages.
*/
if (unlikely(kvm_current_mmio_generation(kvm) == 0)) {
- printk_ratelimited(KERN_INFO "kvm: zapping shadow pages for mmio generation wraparound\n");
+ printk_ratelimited(KERN_DEBUG "kvm: zapping shadow pages for mmio generation wraparound\n");
kvm_mmu_invalidate_zap_all_pages(kvm);
}
}
@@ -180,3 +180,4 @@ module_exit(nx842_mod_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("842 Compression Algorithm");
+MODULE_ALIAS_CRYPTO("842");
@@ -1474,4 +1474,5 @@ module_exit(aes_fini);
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
MODULE_LICENSE("Dual BSD/GPL");
-MODULE_ALIAS("aes");
+MODULE_ALIAS_CRYPTO("aes");
+MODULE_ALIAS_CRYPTO("aes-generic");
@@ -449,6 +449,9 @@ void af_alg_complete(struct crypto_async_request *req, int err)
{
struct af_alg_completion *completion = req->data;
+ if (err == -EINPROGRESS)
+ return;
+
completion->err = err;
complete(&completion->completion);
}
@@ -495,8 +495,8 @@ static struct crypto_template *__crypto_lookup_template(const char *name)
struct crypto_template *crypto_lookup_template(const char *name)
{
- return try_then_request_module(__crypto_lookup_template(name), "%s",
- name);
+ return try_then_request_module(__crypto_lookup_template(name),
+ "crypto-%s", name);
}
EXPORT_SYMBOL_GPL(crypto_lookup_template);
@@ -476,4 +476,5 @@ module_param(dbg, int, 0);
MODULE_PARM_DESC(dbg, "Boolean to enable debugging (0/1 == off/on)");
module_init(prng_mod_init);
module_exit(prng_mod_fini);
-MODULE_ALIAS("stdrng");
+MODULE_ALIAS_CRYPTO("stdrng");
+MODULE_ALIAS_CRYPTO("ansi_cprng");
@@ -704,3 +704,4 @@ module_exit(anubis_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Anubis Cryptographic Algorithm");
+MODULE_ALIAS_CRYPTO("anubis");
@@ -216,11 +216,11 @@ struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask)
alg = crypto_alg_lookup(name, type, mask);
if (!alg) {
- request_module("%s", name);
+ request_module("crypto-%s", name);
if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask &
CRYPTO_ALG_NEED_FALLBACK))
- request_module("%s-all", name);
+ request_module("crypto-%s-all", name);
alg = crypto_alg_lookup(name, type, mask);
}
@@ -166,3 +166,4 @@ module_exit(arc4_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("ARC4 Cipher Algorithm");
MODULE_AUTHOR("Jon Oberheide <jon@oberheide.org>");
+MODULE_ALIAS_CRYPTO("arc4");
@@ -721,3 +721,4 @@ module_exit(crypto_authenc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Simple AEAD wrapper for IPsec");
+MODULE_ALIAS_CRYPTO("authenc");
@@ -814,3 +814,4 @@ module_exit(crypto_authenc_esn_module_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Steffen Klassert <steffen.klassert@secunet.com>");
MODULE_DESCRIPTION("AEAD wrapper for IPsec with extended sequence numbers");
+MODULE_ALIAS_CRYPTO("authencesn");
@@ -138,4 +138,5 @@ module_exit(blowfish_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Blowfish Cipher Algorithm");
-MODULE_ALIAS("blowfish");
+MODULE_ALIAS_CRYPTO("blowfish");
+MODULE_ALIAS_CRYPTO("blowfish-generic");
@@ -1098,4 +1098,5 @@ module_exit(camellia_fini);
MODULE_DESCRIPTION("Camellia Cipher Algorithm");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("camellia");
+MODULE_ALIAS_CRYPTO("camellia");
+MODULE_ALIAS_CRYPTO("camellia-generic");
@@ -549,4 +549,5 @@ module_exit(cast5_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Cast5 Cipher Algorithm");
-MODULE_ALIAS("cast5");
+MODULE_ALIAS_CRYPTO("cast5");
+MODULE_ALIAS_CRYPTO("cast5-generic");
@@ -291,4 +291,5 @@ module_exit(cast6_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Cast6 Cipher Algorithm");
-MODULE_ALIAS("cast6");
+MODULE_ALIAS_CRYPTO("cast6");
+MODULE_ALIAS_CRYPTO("cast6-generic");
@@ -289,3 +289,4 @@ module_exit(crypto_cbc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CBC block cipher algorithm");
+MODULE_ALIAS_CRYPTO("cbc");
@@ -879,5 +879,6 @@ module_exit(crypto_ccm_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Counter with CBC MAC");
-MODULE_ALIAS("ccm_base");
-MODULE_ALIAS("rfc4309");
+MODULE_ALIAS_CRYPTO("ccm_base");
+MODULE_ALIAS_CRYPTO("rfc4309");
+MODULE_ALIAS_CRYPTO("ccm");
@@ -359,3 +359,4 @@ module_exit(chainiv_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Chain IV Generator");
+MODULE_ALIAS_CRYPTO("chainiv");
@@ -313,3 +313,4 @@ module_exit(crypto_cmac_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CMAC keyed hash algorithm");
+MODULE_ALIAS_CRYPTO("cmac");
@@ -156,3 +156,4 @@ module_exit(crc32_mod_fini);
MODULE_AUTHOR("Alexander Boyko <alexander_boyko@xyratex.com>");
MODULE_DESCRIPTION("CRC32 calculations wrapper for lib/crc32");
MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("crc32");
@@ -170,3 +170,4 @@ module_exit(crc32c_mod_fini);
MODULE_AUTHOR("Clay Haapala <chaapala@cisco.com>");
MODULE_DESCRIPTION("CRC32c (Castagnoli) calculations wrapper for lib/crc32c");
MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("crc32c");
@@ -124,4 +124,5 @@ module_exit(crct10dif_mod_fini);
MODULE_AUTHOR("Tim Chen <tim.c.chen@linux.intel.com>");
MODULE_DESCRIPTION("T10 DIF CRC calculation.");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("crct10dif");
+MODULE_ALIAS_CRYPTO("crct10dif");
+MODULE_ALIAS_CRYPTO("crct10dif-generic");
@@ -955,3 +955,4 @@ module_exit(cryptd_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Software async crypto daemon");
+MODULE_ALIAS_CRYPTO("cryptd");
@@ -149,9 +149,9 @@ static struct crypto_alg null_algs[3] = { {
.coa_decompress = null_compress } }
} };
-MODULE_ALIAS("compress_null");
-MODULE_ALIAS("digest_null");
-MODULE_ALIAS("cipher_null");
+MODULE_ALIAS_CRYPTO("compress_null");
+MODULE_ALIAS_CRYPTO("digest_null");
+MODULE_ALIAS_CRYPTO("cipher_null");
static int __init crypto_null_mod_init(void)
{
@@ -466,4 +466,5 @@ module_exit(crypto_ctr_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CTR Counter block mode");
-MODULE_ALIAS("rfc3686");
+MODULE_ALIAS_CRYPTO("rfc3686");
+MODULE_ALIAS_CRYPTO("ctr");
@@ -350,3 +350,4 @@ module_exit(crypto_cts_module_exit);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("CTS-CBC CipherText Stealing for CBC");
+MODULE_ALIAS_CRYPTO("cts");
@@ -222,4 +222,4 @@ module_exit(deflate_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Deflate Compression Algorithm for IPCOMP");
MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
-
+MODULE_ALIAS_CRYPTO("deflate");
@@ -971,8 +971,6 @@ static struct crypto_alg des_algs[2] = { {
.cia_decrypt = des3_ede_decrypt } }
} };
-MODULE_ALIAS("des3_ede");
-
static int __init des_generic_mod_init(void)
{
return crypto_register_algs(des_algs, ARRAY_SIZE(des_algs));
@@ -989,4 +987,7 @@ module_exit(des_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms");
MODULE_AUTHOR("Dag Arne Osvik <da@osvik.no>");
-MODULE_ALIAS("des");
+MODULE_ALIAS_CRYPTO("des");
+MODULE_ALIAS_CRYPTO("des-generic");
+MODULE_ALIAS_CRYPTO("des3_ede");
+MODULE_ALIAS_CRYPTO("des3_ede-generic");
@@ -185,3 +185,4 @@ module_exit(crypto_ecb_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("ECB block cipher algorithm");
+MODULE_ALIAS_CRYPTO("ecb");
@@ -267,3 +267,4 @@ module_exit(eseqiv_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Encrypted Sequence Number IV Generator");
+MODULE_ALIAS_CRYPTO("eseqiv");
@@ -420,3 +420,4 @@ module_exit(fcrypt_mod_fini);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("FCrypt Cipher Algorithm");
MODULE_AUTHOR("David Howells <dhowells@redhat.com>");
+MODULE_ALIAS_CRYPTO("fcrypt");
@@ -1441,6 +1441,7 @@ module_exit(crypto_gcm_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Galois/Counter Mode");
MODULE_AUTHOR("Mikko Herranen <mh1@iki.fi>");
-MODULE_ALIAS("gcm_base");
-MODULE_ALIAS("rfc4106");
-MODULE_ALIAS("rfc4543");
+MODULE_ALIAS_CRYPTO("gcm_base");
+MODULE_ALIAS_CRYPTO("rfc4106");
+MODULE_ALIAS_CRYPTO("rfc4543");
+MODULE_ALIAS_CRYPTO("gcm");
@@ -172,4 +172,5 @@ module_exit(ghash_mod_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("GHASH Message Digest Algorithm");
-MODULE_ALIAS("ghash");
+MODULE_ALIAS_CRYPTO("ghash");
+MODULE_ALIAS_CRYPTO("ghash-generic");
@@ -271,3 +271,4 @@ module_exit(hmac_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("HMAC hash algorithm");
+MODULE_ALIAS_CRYPTO("hmac");
@@ -880,3 +880,4 @@ module_exit(khazad_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Khazad Cryptographic Algorithm");
+MODULE_ALIAS_CRYPTO("khazad");
@@ -62,4 +62,5 @@ module_exit(krng_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Kernel Random Number Generator");
-MODULE_ALIAS("stdrng");
+MODULE_ALIAS_CRYPTO("stdrng");
+MODULE_ALIAS_CRYPTO("krng");
@@ -400,3 +400,4 @@ module_exit(crypto_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("LRW block cipher mode");
+MODULE_ALIAS_CRYPTO("lrw");
@@ -104,3 +104,4 @@ module_exit(lz4_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("LZ4 Compression Algorithm");
+MODULE_ALIAS_CRYPTO("lz4");
@@ -104,3 +104,4 @@ module_exit(lz4hc_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("LZ4HC Compression Algorithm");
+MODULE_ALIAS_CRYPTO("lz4hc");
@@ -103,3 +103,4 @@ module_exit(lzo_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("LZO Compression Algorithm");
+MODULE_ALIAS_CRYPTO("lzo");
@@ -255,4 +255,4 @@ module_exit(md4_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MD4 Message Digest Algorithm");
-
+MODULE_ALIAS_CRYPTO("md4");
@@ -168,3 +168,4 @@ module_exit(md5_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MD5 Message Digest Algorithm");
+MODULE_ALIAS_CRYPTO("md5");
@@ -184,3 +184,4 @@ module_exit(michael_mic_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Michael MIC");
MODULE_AUTHOR("Jouni Malinen <j@w1.fi>");
+MODULE_ALIAS_CRYPTO("michael_mic");
@@ -295,3 +295,4 @@ module_exit(crypto_pcbc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("PCBC block cipher algorithm");
+MODULE_ALIAS_CRYPTO("pcbc");
@@ -565,3 +565,4 @@ module_exit(pcrypt_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Steffen Klassert <steffen.klassert@secunet.com>");
MODULE_DESCRIPTION("Parallel crypto wrapper");
+MODULE_ALIAS_CRYPTO("pcrypt");
@@ -327,3 +327,4 @@ module_exit(rmd128_mod_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>");
MODULE_DESCRIPTION("RIPEMD-128 Message Digest");
+MODULE_ALIAS_CRYPTO("rmd128");
@@ -371,3 +371,4 @@ module_exit(rmd160_mod_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>");
MODULE_DESCRIPTION("RIPEMD-160 Message Digest");
+MODULE_ALIAS_CRYPTO("rmd160");
@@ -346,3 +346,4 @@ module_exit(rmd256_mod_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>");
MODULE_DESCRIPTION("RIPEMD-256 Message Digest");
+MODULE_ALIAS_CRYPTO("rmd256");
@@ -395,3 +395,4 @@ module_exit(rmd320_mod_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>");
MODULE_DESCRIPTION("RIPEMD-320 Message Digest");
+MODULE_ALIAS_CRYPTO("rmd320");
@@ -248,4 +248,5 @@ module_exit(salsa20_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION ("Salsa20 stream cipher algorithm");
-MODULE_ALIAS("salsa20");
+MODULE_ALIAS_CRYPTO("salsa20");
+MODULE_ALIAS_CRYPTO("salsa20-generic");
@@ -476,3 +476,4 @@ module_exit(seed_fini);
MODULE_DESCRIPTION("SEED Cipher Algorithm");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Hye-Shik Chang <perky@FreeBSD.org>, Kim Hyun <hkim@kisa.or.kr>");
+MODULE_ALIAS_CRYPTO("seed");
@@ -362,3 +362,4 @@ module_exit(seqiv_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Sequence Number IV Generator");
+MODULE_ALIAS_CRYPTO("seqiv");
@@ -665,5 +665,6 @@ module_exit(serpent_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Serpent and tnepres (kerneli compatible serpent reversed) Cipher Algorithm");
MODULE_AUTHOR("Dag Arne Osvik <osvik@ii.uib.no>");
-MODULE_ALIAS("tnepres");
-MODULE_ALIAS("serpent");
+MODULE_ALIAS_CRYPTO("tnepres");
+MODULE_ALIAS_CRYPTO("serpent");
+MODULE_ALIAS_CRYPTO("serpent-generic");
@@ -153,4 +153,5 @@ module_exit(sha1_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");
-MODULE_ALIAS("sha1");
+MODULE_ALIAS_CRYPTO("sha1");
+MODULE_ALIAS_CRYPTO("sha1-generic");
@@ -384,5 +384,7 @@ module_exit(sha256_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm");
-MODULE_ALIAS("sha224");
-MODULE_ALIAS("sha256");
+MODULE_ALIAS_CRYPTO("sha224");
+MODULE_ALIAS_CRYPTO("sha224-generic");
+MODULE_ALIAS_CRYPTO("sha256");
+MODULE_ALIAS_CRYPTO("sha256-generic");
@@ -287,5 +287,7 @@ module_exit(sha512_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA-512 and SHA-384 Secure Hash Algorithms");
-MODULE_ALIAS("sha384");
-MODULE_ALIAS("sha512");
+MODULE_ALIAS_CRYPTO("sha384");
+MODULE_ALIAS_CRYPTO("sha384-generic");
+MODULE_ALIAS_CRYPTO("sha512");
+MODULE_ALIAS_CRYPTO("sha512-generic");
@@ -270,8 +270,9 @@ static void __exit tea_mod_fini(void)
crypto_unregister_algs(tea_algs, ARRAY_SIZE(tea_algs));
}
-MODULE_ALIAS("xtea");
-MODULE_ALIAS("xeta");
+MODULE_ALIAS_CRYPTO("tea");
+MODULE_ALIAS_CRYPTO("xtea");
+MODULE_ALIAS_CRYPTO("xeta");
module_init(tea_mod_init);
module_exit(tea_mod_fini);
@@ -676,8 +676,9 @@ static void __exit tgr192_mod_fini(void)
crypto_unregister_shashes(tgr_algs, ARRAY_SIZE(tgr_algs));
}
-MODULE_ALIAS("tgr160");
-MODULE_ALIAS("tgr128");
+MODULE_ALIAS_CRYPTO("tgr192");
+MODULE_ALIAS_CRYPTO("tgr160");
+MODULE_ALIAS_CRYPTO("tgr128");
module_init(tgr192_mod_init);
module_exit(tgr192_mod_fini);
@@ -211,4 +211,5 @@ module_exit(twofish_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION ("Twofish Cipher Algorithm");
-MODULE_ALIAS("twofish");
+MODULE_ALIAS_CRYPTO("twofish");
+MODULE_ALIAS_CRYPTO("twofish-generic");
@@ -713,3 +713,4 @@ module_exit(vmac_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("VMAC hash algorithm");
+MODULE_ALIAS_CRYPTO("vmac");
@@ -1167,8 +1167,9 @@ static void __exit wp512_mod_fini(void)
crypto_unregister_shashes(wp_algs, ARRAY_SIZE(wp_algs));
}
-MODULE_ALIAS("wp384");
-MODULE_ALIAS("wp256");
+MODULE_ALIAS_CRYPTO("wp512");
+MODULE_ALIAS_CRYPTO("wp384");
+MODULE_ALIAS_CRYPTO("wp256");
module_init(wp512_mod_init);
module_exit(wp512_mod_fini);
@@ -286,3 +286,4 @@ module_exit(crypto_xcbc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("XCBC keyed hash algorithm");
+MODULE_ALIAS_CRYPTO("xcbc");
@@ -362,3 +362,4 @@ module_exit(crypto_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("XTS block cipher mode");
+MODULE_ALIAS_CRYPTO("xts");
@@ -378,3 +378,4 @@ module_exit(zlib_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Zlib Compression Algorithm");
MODULE_AUTHOR("Sony Corporation");
+MODULE_ALIAS_CRYPTO("zlib");
@@ -4806,7 +4806,10 @@ static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap)
return NULL;
for (i = 0, tag = ap->last_tag + 1; i < max_queue; i++, tag++) {
- tag = tag < max_queue ? tag : 0;
+ if (ap->flags & ATA_FLAG_LOWTAG)
+ tag = i;
+ else
+ tag = tag < max_queue ? tag : 0;
/* the last tag is reserved for internal command. */
if (tag == ATA_TAG_INTERNAL)
@@ -1333,7 +1333,19 @@ void ata_sff_flush_pio_task(struct ata_port *ap)
DPRINTK("ENTER\n");
cancel_delayed_work_sync(&ap->sff_pio_task);
+
+ /*
+ * We wanna reset the HSM state to IDLE. If we do so without
+ * grabbing the port lock, critical sections protected by it which
+ * expect the HSM state to stay stable may get surprised. For
+ * example, we may set IDLE in between the time
+ * __ata_sff_port_intr() checks for HSM_ST_IDLE and before it calls
+ * ata_sff_hsm_move() causing ata_sff_hsm_move() to BUG().
+ */
+ spin_lock_irq(ap->lock);
ap->hsm_task_state = HSM_ST_IDLE;
+ spin_unlock_irq(ap->lock);
+
ap->sff_pio_task_link = NULL;
if (ata_msg_ctl(ap))
@@ -246,7 +246,7 @@ enum {
/* host flags */
SIL24_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
ATA_FLAG_NCQ | ATA_FLAG_ACPI_SATA |
- ATA_FLAG_AN | ATA_FLAG_PMP,
+ ATA_FLAG_AN | ATA_FLAG_PMP | ATA_FLAG_LOWTAG,
SIL24_FLAG_PCIX_IRQ_WOC = (1 << 24), /* IRQ loss errata on PCI-X */
IRQ_STAT_4PORTS = 0xf,
@@ -181,12 +181,25 @@ static void mvebu_mbus_disable_window(struct mvebu_mbus_state *mbus,
}
/* Checks whether the given window number is available */
+
+/* On Armada XP, 375 and 38x the MBus window 13 has the remap
+ * capability, like windows 0 to 7. However, the mvebu-mbus driver
+ * isn't currently taking into account this special case, which means
+ * that when window 13 is actually used, the remap registers are left
+ * to 0, making the device using this MBus window unavailable. The
+ * quick fix for stable is to not use window 13. A follow up patch
+ * will correctly handle this window.
+*/
static int mvebu_mbus_window_is_free(struct mvebu_mbus_state *mbus,
const int win)
{
void __iomem *addr = mbus->mbuswins_base +
mbus->soc->win_cfg_offset(win);
u32 ctrl = readl(addr + WIN_CTRL_OFF);
+
+ if (win == 13)
+ return false;
+
return !(ctrl & WIN_CTRL_ENABLE);
}
@@ -94,8 +94,8 @@ static void exynos4_mct_write(unsigned int value, unsigned long offset)
__raw_writel(value, reg_base + offset);
if (likely(offset >= EXYNOS4_MCT_L_BASE(0))) {
- stat_addr = (offset & ~EXYNOS4_MCT_L_MASK) + MCT_L_WSTAT_OFFSET;
- switch (offset & EXYNOS4_MCT_L_MASK) {
+ stat_addr = (offset & EXYNOS4_MCT_L_MASK) + MCT_L_WSTAT_OFFSET;
+ switch (offset & ~EXYNOS4_MCT_L_MASK) {
case MCT_L_TCON_OFFSET:
mask = 1 << 3; /* L_TCON write status */
break;
@@ -563,4 +563,4 @@ MODULE_DESCRIPTION("VIA PadLock AES algorithm support");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michal Ludvig");
-MODULE_ALIAS("aes");
+MODULE_ALIAS_CRYPTO("aes");
@@ -593,7 +593,7 @@ MODULE_DESCRIPTION("VIA PadLock SHA1/SHA256 algorithms support.");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michal Ludvig");
-MODULE_ALIAS("sha1-all");
-MODULE_ALIAS("sha256-all");
-MODULE_ALIAS("sha1-padlock");
-MODULE_ALIAS("sha256-padlock");
+MODULE_ALIAS_CRYPTO("sha1-all");
+MODULE_ALIAS_CRYPTO("sha256-all");
+MODULE_ALIAS_CRYPTO("sha1-padlock");
+MODULE_ALIAS_CRYPTO("sha256-padlock");
@@ -1810,7 +1810,7 @@ module_exit(ux500_cryp_mod_fini);
module_param(cryp_mode, int, 0);
MODULE_DESCRIPTION("Driver for ST-Ericsson UX500 CRYP crypto engine.");
-MODULE_ALIAS("aes-all");
-MODULE_ALIAS("des-all");
+MODULE_ALIAS_CRYPTO("aes-all");
+MODULE_ALIAS_CRYPTO("des-all");
MODULE_LICENSE("GPL");
@@ -1995,7 +1995,7 @@ module_exit(ux500_hash_mod_fini);
MODULE_DESCRIPTION("Driver for ST-Ericsson UX500 HASH engine.");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("sha1-all");
-MODULE_ALIAS("sha256-all");
-MODULE_ALIAS("hmac-sha1-all");
-MODULE_ALIAS("hmac-sha256-all");
+MODULE_ALIAS_CRYPTO("sha1-all");
+MODULE_ALIAS_CRYPTO("sha256-all");
+MODULE_ALIAS_CRYPTO("hmac-sha1-all");
+MODULE_ALIAS_CRYPTO("hmac-sha256-all");
@@ -94,7 +94,7 @@ static void acpi_gpio_evt_dh(acpi_handle handle, void *data)
* gpio pins have acpi event methods and assigns interrupt handlers that calls
* the acpi event methods for those pins.
*/
-void acpi_gpiochip_request_interrupts(struct gpio_chip *chip)
+static void acpi_gpiochip_request_interrupts(struct gpio_chip *chip)
{
struct acpi_buffer buf = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_resource *res;
@@ -192,7 +192,6 @@ void acpi_gpiochip_request_interrupts(struct gpio_chip *chip)
irq);
}
}
-EXPORT_SYMBOL(acpi_gpiochip_request_interrupts);
/**
* acpi_gpiochip_free_interrupts() - Free GPIO _EVT ACPI event interrupts.
@@ -203,7 +202,7 @@ EXPORT_SYMBOL(acpi_gpiochip_request_interrupts);
* The remaining ACPI event interrupts associated with the chip are freed
* automatically.
*/
-void acpi_gpiochip_free_interrupts(struct gpio_chip *chip)
+static void acpi_gpiochip_free_interrupts(struct gpio_chip *chip)
{
acpi_handle handle;
acpi_status status;
@@ -230,7 +229,6 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip)
acpi_detach_data(handle, acpi_gpio_evt_dh);
kfree(evt_pins);
}
-EXPORT_SYMBOL(acpi_gpiochip_free_interrupts);
struct acpi_gpio_lookup {
struct acpi_gpio_info info;
@@ -310,3 +308,13 @@ struct gpio_desc *acpi_get_gpiod_by_index(struct device *dev, int index,
return lookup.desc ? lookup.desc : ERR_PTR(-ENODEV);
}
EXPORT_SYMBOL_GPL(acpi_get_gpiod_by_index);
+
+void acpi_gpiochip_add(struct gpio_chip *chip)
+{
+ acpi_gpiochip_request_interrupts(chip);
+}
+
+void acpi_gpiochip_remove(struct gpio_chip *chip)
+{
+ acpi_gpiochip_free_interrupts(chip);
+}
@@ -44,8 +44,14 @@ static int of_gpiochip_find_and_xlate(struct gpio_chip *gc, void *data)
return false;
ret = gc->of_xlate(gc, &gg_data->gpiospec, gg_data->flags);
- if (ret < 0)
- return false;
+ if (ret < 0) {
+ /* We've found the gpio chip, but the translation failed.
+ * Return true to stop looking and return the translation
+ * error via out_gpio
+ */
+ gg_data->out_gpio = ERR_PTR(ret);
+ return true;
+ }
gg_data->out_gpio = gpio_to_desc(ret + gc->base);
return true;
@@ -16,6 +16,8 @@
#include <linux/acpi.h>
#include <linux/gpio/driver.h>
+#include "gpiolib.h"
+
#define CREATE_TRACE_POINTS
#include <trace/events/gpio.h>
@@ -388,7 +390,7 @@ static ssize_t gpio_value_store(struct device *dev,
return status;
}
-static const DEVICE_ATTR(value, 0644,
+static DEVICE_ATTR(value, 0644,
gpio_value_show, gpio_value_store);
static irqreturn_t gpio_sysfs_irq(int irq, void *priv)
@@ -613,18 +615,15 @@ static ssize_t gpio_active_low_store(struct device *dev,
return status ? : size;
}
-static const DEVICE_ATTR(active_low, 0644,
+static DEVICE_ATTR(active_low, 0644,
gpio_active_low_show, gpio_active_low_store);
-static const struct attribute *gpio_attrs[] = {
+static struct attribute *gpio_attrs[] = {
&dev_attr_value.attr,
&dev_attr_active_low.attr,
NULL,
};
-
-static const struct attribute_group gpio_attr_group = {
- .attrs = (struct attribute **) gpio_attrs,
-};
+ATTRIBUTE_GROUPS(gpio);
/*
* /sys/class/gpio/gpiochipN/
@@ -660,16 +659,13 @@ static ssize_t chip_ngpio_show(struct device *dev,
}
static DEVICE_ATTR(ngpio, 0444, chip_ngpio_show, NULL);
-static const struct attribute *gpiochip_attrs[] = {
+static struct attribute *gpiochip_attrs[] = {
&dev_attr_base.attr,
&dev_attr_label.attr,
&dev_attr_ngpio.attr,
NULL,
};
-
-static const struct attribute_group gpiochip_attr_group = {
- .attrs = (struct attribute **) gpiochip_attrs,
-};
+ATTRIBUTE_GROUPS(gpiochip);
/*
* /sys/class/gpio/export ... write-only
@@ -824,18 +820,15 @@ int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
if (desc->chip->names && desc->chip->names[offset])
ioname = desc->chip->names[offset];
- dev = device_create(&gpio_class, desc->chip->dev, MKDEV(0, 0),
- desc, ioname ? ioname : "gpio%u",
- desc_to_gpio(desc));
+ dev = device_create_with_groups(&gpio_class, desc->chip->dev,
+ MKDEV(0, 0), desc, gpio_groups,
+ ioname ? ioname : "gpio%u",
+ desc_to_gpio(desc));
if (IS_ERR(dev)) {
status = PTR_ERR(dev);
goto fail_unlock;
}
- status = sysfs_create_group(&dev->kobj, &gpio_attr_group);
- if (status)
- goto fail_unregister_device;
-
if (direction_may_change) {
status = device_create_file(dev, &dev_attr_direction);
if (status)
@@ -846,13 +839,15 @@ int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
!test_bit(FLAG_IS_OUT, &desc->flags))) {
status = device_create_file(dev, &dev_attr_edge);
if (status)
- goto fail_unregister_device;
+ goto fail_remove_attr_direction;
}
set_bit(FLAG_EXPORT, &desc->flags);
mutex_unlock(&sysfs_lock);
return 0;
+fail_remove_attr_direction:
+ device_remove_file(dev, &dev_attr_direction);
fail_unregister_device:
device_unregister(dev);
fail_unlock:
@@ -989,6 +984,8 @@ void gpiod_unexport(struct gpio_desc *desc)
mutex_unlock(&sysfs_lock);
if (dev) {
+ device_remove_file(dev, &dev_attr_edge);
+ device_remove_file(dev, &dev_attr_direction);
device_unregister(dev);
put_device(dev);
}
@@ -1014,13 +1011,13 @@ static int gpiochip_export(struct gpio_chip *chip)
/* use chip->base for the ID; it's already known to be unique */
mutex_lock(&sysfs_lock);
- dev = device_create(&gpio_class, chip->dev, MKDEV(0, 0), chip,
- "gpiochip%d", chip->base);
- if (!IS_ERR(dev)) {
- status = sysfs_create_group(&dev->kobj,
- &gpiochip_attr_group);
- } else
+ dev = device_create_with_groups(&gpio_class, chip->dev, MKDEV(0, 0),
+ chip, gpiochip_groups,
+ "gpiochip%d", chip->base);
+ if (IS_ERR(dev))
status = PTR_ERR(dev);
+ else
+ status = 0;
chip->exported = (status == 0);
mutex_unlock(&sysfs_lock);
@@ -1208,18 +1205,22 @@ int gpiochip_add(struct gpio_chip *chip)
spin_unlock_irqrestore(&gpio_lock, flags);
+ if (status)
+ goto fail;
+
#ifdef CONFIG_PINCTRL
INIT_LIST_HEAD(&chip->pin_ranges);
#endif
of_gpiochip_add(chip);
-
- if (status)
- goto fail;
+ acpi_gpiochip_add(chip);
status = gpiochip_export(chip);
- if (status)
+ if (status) {
+ acpi_gpiochip_remove(chip);
+ of_gpiochip_remove(chip);
goto fail;
+ }
pr_debug("gpiochip_add: registered GPIOs %d to %d on device: %s\n",
chip->base, chip->base + chip->ngpio - 1,
@@ -1250,11 +1251,11 @@ int gpiochip_remove(struct gpio_chip *chip)
int status = 0;
unsigned id;
- spin_lock_irqsave(&gpio_lock, flags);
-
gpiochip_remove_pin_ranges(chip);
of_gpiochip_remove(chip);
+ acpi_gpiochip_remove(chip);
+ spin_lock_irqsave(&gpio_lock, flags);
for (id = 0; id < chip->ngpio; id++) {
if (test_bit(FLAG_REQUESTED, &chip->desc[id].flags)) {
status = -EBUSY;
new file mode 100644
@@ -0,0 +1,23 @@
+/*
+ * Internal GPIO functions.
+ *
+ * Copyright (C) 2013, Intel Corporation
+ * Author: Mika Westerberg <mika.westerberg@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef GPIOLIB_H
+#define GPIOLIB_H
+
+#ifdef CONFIG_ACPI
+void acpi_gpiochip_add(struct gpio_chip *chip);
+void acpi_gpiochip_remove(struct gpio_chip *chip);
+#else
+static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
+static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
+#endif
+
+#endif /* GPIOLIB_H */
@@ -4931,7 +4931,7 @@ static bool mutex_is_locked_by(struct mutex *mutex, struct task_struct *task)
if (!mutex_is_locked(mutex))
return false;
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_MUTEXES)
+#if defined(CONFIG_SMP) && !defined(CONFIG_DEBUG_MUTEXES)
return mutex->owner == task;
#else
/* Since UP may be pre-empted, we cannot assume that we own the lock */
@@ -3155,10 +3155,10 @@ static int i8xx_irq_postinstall(struct drm_device *dev)
* Returns true when a page flip has completed.
*/
static bool i8xx_handle_vblank(struct drm_device *dev,
- int pipe, u16 iir)
+ int plane, int pipe, u32 iir)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- u16 flip_pending = DISPLAY_PLANE_FLIP_PENDING(pipe);
+ u16 flip_pending = DISPLAY_PLANE_FLIP_PENDING(plane);
if (!drm_handle_vblank(dev, pipe))
return false;
@@ -3166,8 +3166,6 @@ static bool i8xx_handle_vblank(struct drm_device *dev,
if ((iir & flip_pending) == 0)
return false;
- intel_prepare_page_flip(dev, pipe);
-
/* We detect FlipDone by looking for the change in PendingFlip from '1'
* to '0' on the following vblank, i.e. IIR has the Pendingflip
* asserted following the MI_DISPLAY_FLIP, but ISR is deasserted, hence
@@ -3177,6 +3175,7 @@ static bool i8xx_handle_vblank(struct drm_device *dev,
if (I915_READ16(ISR) & flip_pending)
return false;
+ intel_prepare_page_flip(dev, plane);
intel_finish_page_flip(dev, pipe);
return true;
@@ -3235,9 +3234,13 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg)
notify_ring(dev, &dev_priv->ring[RCS]);
for_each_pipe(pipe) {
+ int plane = pipe;
+ if (I915_HAS_FBC(dev))
+ plane = !plane;
+
if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS &&
- i8xx_handle_vblank(dev, pipe, iir))
- flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(pipe);
+ i8xx_handle_vblank(dev, plane, pipe, iir))
+ flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(plane);
if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS)
i9xx_pipe_crc_irq_handler(dev, pipe);
@@ -3349,8 +3352,6 @@ static bool i915_handle_vblank(struct drm_device *dev,
if ((iir & flip_pending) == 0)
return false;
- intel_prepare_page_flip(dev, plane);
-
/* We detect FlipDone by looking for the change in PendingFlip from '1'
* to '0' on the following vblank, i.e. IIR has the Pendingflip
* asserted following the MI_DISPLAY_FLIP, but ISR is deasserted, hence
@@ -3360,6 +3361,7 @@ static bool i915_handle_vblank(struct drm_device *dev,
if (I915_READ(ISR) & flip_pending)
return false;
+ intel_prepare_page_flip(dev, plane);
intel_finish_page_flip(dev, pipe);
return true;
@@ -3433,7 +3435,7 @@ static irqreturn_t i915_irq_handler(int irq, void *arg)
for_each_pipe(pipe) {
int plane = pipe;
- if (IS_MOBILE(dev))
+ if (I915_HAS_FBC(dev))
plane = !plane;
if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS &&
@@ -325,6 +325,7 @@
#define PIPE_CONTROL_GLOBAL_GTT_IVB (1<<24) /* gen7+ */
#define PIPE_CONTROL_CS_STALL (1<<20)
#define PIPE_CONTROL_TLB_INVALIDATE (1<<18)
+#define PIPE_CONTROL_MEDIA_STATE_CLEAR (1<<16)
#define PIPE_CONTROL_QW_WRITE (1<<14)
#define PIPE_CONTROL_DEPTH_STALL (1<<13)
#define PIPE_CONTROL_WRITE_FLUSH (1<<12)
@@ -9949,10 +9949,13 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
intel_crtc->lut_b[i] = i;
}
- /* Swap pipes & planes for FBC on pre-965 */
+ /*
+ * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port
+ * is hooked to plane B. Hence we want plane A feeding pipe B.
+ */
intel_crtc->pipe = pipe;
intel_crtc->plane = pipe;
- if (IS_MOBILE(dev) && IS_GEN3(dev)) {
+ if (I915_HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) {
DRM_DEBUG_KMS("swapping pipes & planes for FBC\n");
intel_crtc->plane = !pipe;
}
@@ -332,12 +332,15 @@ gen7_render_ring_flush(struct intel_ring_buffer *ring,
flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE;
+ flags |= PIPE_CONTROL_MEDIA_STATE_CLEAR;
/*
* TLB invalidate requires a post-sync write.
*/
flags |= PIPE_CONTROL_QW_WRITE;
flags |= PIPE_CONTROL_GLOBAL_GTT_IVB;
+ flags |= PIPE_CONTROL_STALL_AT_SCOREBOARD;
+
/* Workaround: we must issue a pipe_control with CS-stall bit
* set before a pipe_control command that has the state cache
* invalidate bit set. */
@@ -1714,9 +1714,8 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
return pll;
}
/* otherwise, pick one of the plls */
- if ((rdev->family == CHIP_KAVERI) ||
- (rdev->family == CHIP_KABINI)) {
- /* KB/KV has PPLL1 and PPLL2 */
+ if ((rdev->family == CHIP_KABINI)) {
+ /* KB has PPLL1 and PPLL2 */
pll_in_use = radeon_get_pll_use_mask(crtc);
if (!(pll_in_use & (1 << ATOM_PPLL2)))
return ATOM_PPLL2;
@@ -1725,7 +1724,7 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
DRM_ERROR("unable to allocate a PPLL\n");
return ATOM_PPLL_INVALID;
} else {
- /* CI has PPLL0, PPLL1, and PPLL2 */
+ /* CI/KV has PPLL0, PPLL1, and PPLL2 */
pll_in_use = radeon_get_pll_use_mask(crtc);
if (!(pll_in_use & (1 << ATOM_PPLL2)))
return ATOM_PPLL2;
@@ -2013,6 +2012,7 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
case ATOM_PPLL0:
/* disable the ppll */
if ((rdev->family == CHIP_ARUBA) ||
+ (rdev->family == CHIP_KAVERI) ||
(rdev->family == CHIP_BONAIRE) ||
(rdev->family == CHIP_HAWAII))
atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
@@ -574,6 +574,10 @@ int radeon_dp_mode_valid_helper(struct drm_connector *connector,
struct radeon_connector_atom_dig *dig_connector;
int dp_clock;
+ if ((mode->clock > 340000) &&
+ (!radeon_connector_is_dp12_capable(connector)))
+ return MODE_CLOCK_HIGH;
+
if (!radeon_connector->con_priv)
return MODE_CLOCK_HIGH;
dig_connector = radeon_connector->con_priv;
@@ -5397,6 +5397,17 @@ void cik_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 1 << vm->id);
+ /* wait for the invalidate to complete */
+ radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
+ radeon_ring_write(ring, (WAIT_REG_MEM_OPERATION(0) | /* wait */
+ WAIT_REG_MEM_FUNCTION(0) | /* always */
+ WAIT_REG_MEM_ENGINE(0))); /* me */
+ radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 0); /* ref */
+ radeon_ring_write(ring, 0); /* mask */
+ radeon_ring_write(ring, 0x20); /* poll interval */
+
/* compute doesn't have PFP */
if (usepfp) {
/* sync PFP to ME, otherwise we might get invalid PFP reads */
@@ -731,6 +731,8 @@ void cik_sdma_vm_set_page(struct radeon_device *rdev,
*/
void cik_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
{
+ u32 extra_bits = (SDMA_POLL_REG_MEM_EXTRA_OP(0) |
+ SDMA_POLL_REG_MEM_EXTRA_FUNC(0)); /* always */
struct radeon_ring *ring = &rdev->ring[ridx];
if (vm == NULL)
@@ -776,5 +778,12 @@ void cik_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm
radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000));
radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
radeon_ring_write(ring, 1 << vm->id);
+
+ radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_POLL_REG_MEM, 0, extra_bits));
+ radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 0); /* reference */
+ radeon_ring_write(ring, 0); /* mask */
+ radeon_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */
}
@@ -2433,6 +2433,16 @@ void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
radeon_ring_write(ring, 1 << vm->id);
+ /* wait for the invalidate to complete */
+ radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
+ radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) | /* always */
+ WAIT_REG_MEM_ENGINE(0))); /* me */
+ radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 0); /* ref */
+ radeon_ring_write(ring, 0); /* mask */
+ radeon_ring_write(ring, 0x20); /* poll interval */
+
/* sync PFP to ME, otherwise we might get invalid PFP reads */
radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
radeon_ring_write(ring, 0x0);
@@ -329,5 +329,11 @@ void cayman_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0));
radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2));
radeon_ring_write(ring, 1 << vm->id);
+
+ /* wait for invalidate to complete */
+ radeon_ring_write(ring, DMA_SRBM_READ_PACKET);
+ radeon_ring_write(ring, (0xff << 20) | (VM_INVALIDATE_REQUEST >> 2));
+ radeon_ring_write(ring, 0); /* mask */
+ radeon_ring_write(ring, 0); /* value */
}
@@ -1132,6 +1132,23 @@
#define PACKET3_MEM_SEMAPHORE 0x39
#define PACKET3_MPEG_INDEX 0x3A
#define PACKET3_WAIT_REG_MEM 0x3C
+#define WAIT_REG_MEM_FUNCTION(x) ((x) << 0)
+ /* 0 - always
+ * 1 - <
+ * 2 - <=
+ * 3 - ==
+ * 4 - !=
+ * 5 - >=
+ * 6 - >
+ */
+#define WAIT_REG_MEM_MEM_SPACE(x) ((x) << 4)
+ /* 0 - reg
+ * 1 - mem
+ */
+#define WAIT_REG_MEM_ENGINE(x) ((x) << 8)
+ /* 0 - me
+ * 1 - pfp
+ */
#define PACKET3_MEM_WRITE 0x3D
#define PACKET3_PFP_SYNC_ME 0x42
#define PACKET3_SURFACE_SYNC 0x43
@@ -1271,6 +1288,13 @@
(1 << 21) | \
(((n) & 0xFFFFF) << 0))
+#define DMA_SRBM_POLL_PACKET ((9 << 28) | \
+ (1 << 27) | \
+ (1 << 26))
+
+#define DMA_SRBM_READ_PACKET ((9 << 28) | \
+ (1 << 27))
+
/* async DMA Packet types */
#define DMA_PACKET_WRITE 0x2
#define DMA_PACKET_COPY 0x3
@@ -1255,8 +1255,39 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev)
return 0;
}
+struct radeon_dpm_quirk {
+ u32 chip_vendor;
+ u32 chip_device;
+ u32 subsys_vendor;
+ u32 subsys_device;
+};
+
+/* cards with dpm stability problems */
+static struct radeon_dpm_quirk radeon_dpm_quirk_list[] = {
+ /* TURKS - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1386534 */
+ { PCI_VENDOR_ID_ATI, 0x6759, 0x1682, 0x3195 },
+ /* TURKS - https://bugzilla.kernel.org/show_bug.cgi?id=83731 */
+ { PCI_VENDOR_ID_ATI, 0x6840, 0x1179, 0xfb81 },
+ { 0, 0, 0, 0 },
+};
+
int radeon_pm_init(struct radeon_device *rdev)
{
+ struct radeon_dpm_quirk *p = radeon_dpm_quirk_list;
+ bool disable_dpm = false;
+
+ /* Apply dpm quirks */
+ while (p && p->chip_device != 0) {
+ if (rdev->pdev->vendor == p->chip_vendor &&
+ rdev->pdev->device == p->chip_device &&
+ rdev->pdev->subsystem_vendor == p->subsys_vendor &&
+ rdev->pdev->subsystem_device == p->subsys_device) {
+ disable_dpm = true;
+ break;
+ }
+ ++p;
+ }
+
/* enable dpm on rv6xx+ */
switch (rdev->family) {
case CHIP_RV610:
@@ -1311,6 +1342,8 @@ int radeon_pm_init(struct radeon_device *rdev)
(!(rdev->flags & RADEON_IS_IGP)) &&
(!rdev->smc_fw))
rdev->pm.pm_method = PM_METHOD_PROFILE;
+ else if (disable_dpm && (radeon_dpm == -1))
+ rdev->pm.pm_method = PM_METHOD_PROFILE;
else if (radeon_dpm == 0)
rdev->pm.pm_method = PM_METHOD_PROFILE;
else
@@ -4729,6 +4729,16 @@ void si_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 1 << vm->id);
+ /* wait for the invalidate to complete */
+ radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
+ radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) | /* always */
+ WAIT_REG_MEM_ENGINE(0))); /* me */
+ radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 0); /* ref */
+ radeon_ring_write(ring, 0); /* mask */
+ radeon_ring_write(ring, 0x20); /* poll interval */
+
/* sync PFP to ME, otherwise we might get invalid PFP reads */
radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
radeon_ring_write(ring, 0x0);
@@ -153,6 +153,14 @@ void si_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0));
radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2));
radeon_ring_write(ring, 1 << vm->id);
+
+ /* wait for invalidate to complete */
+ radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_POLL_REG_MEM, 0, 0, 0, 0));
+ radeon_ring_write(ring, VM_INVALIDATE_REQUEST);
+ radeon_ring_write(ring, 0xff << 16); /* retry */
+ radeon_ring_write(ring, 1 << vm->id); /* mask */
+ radeon_ring_write(ring, 0); /* value */
+ radeon_ring_write(ring, (0 << 28) | 0x20); /* func(always) | poll interval */
}
/**
@@ -2901,6 +2901,22 @@ static int si_init_smc_spll_table(struct radeon_device *rdev)
return ret;
}
+struct si_dpm_quirk {
+ u32 chip_vendor;
+ u32 chip_device;
+ u32 subsys_vendor;
+ u32 subsys_device;
+ u32 max_sclk;
+ u32 max_mclk;
+};
+
+/* cards with dpm stability problems */
+static struct si_dpm_quirk si_dpm_quirk_list[] = {
+ /* PITCAIRN - https://bugs.freedesktop.org/show_bug.cgi?id=76490 */
+ { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 },
+ { 0, 0, 0, 0 },
+};
+
static void si_apply_state_adjust_rules(struct radeon_device *rdev,
struct radeon_ps *rps)
{
@@ -2911,7 +2927,22 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
u32 mclk, sclk;
u16 vddc, vddci;
u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc;
+ u32 max_sclk = 0, max_mclk = 0;
int i;
+ struct si_dpm_quirk *p = si_dpm_quirk_list;
+
+ /* Apply dpm quirks */
+ while (p && p->chip_device != 0) {
+ if (rdev->pdev->vendor == p->chip_vendor &&
+ rdev->pdev->device == p->chip_device &&
+ rdev->pdev->subsystem_vendor == p->subsys_vendor &&
+ rdev->pdev->subsystem_device == p->subsys_device) {
+ max_sclk = p->max_sclk;
+ max_mclk = p->max_mclk;
+ break;
+ }
+ ++p;
+ }
if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
ni_dpm_vblank_too_short(rdev))
@@ -2965,6 +2996,14 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
if (ps->performance_levels[i].mclk > max_mclk_vddc)
ps->performance_levels[i].mclk = max_mclk_vddc;
}
+ if (max_mclk) {
+ if (ps->performance_levels[i].mclk > max_mclk)
+ ps->performance_levels[i].mclk = max_mclk;
+ }
+ if (max_sclk) {
+ if (ps->performance_levels[i].sclk > max_sclk)
+ ps->performance_levels[i].sclk = max_sclk;
+ }
}
/* XXX validate the min clocks required for display */
@@ -1586,6 +1586,23 @@
#define PACKET3_MPEG_INDEX 0x3A
#define PACKET3_COPY_DW 0x3B
#define PACKET3_WAIT_REG_MEM 0x3C
+#define WAIT_REG_MEM_FUNCTION(x) ((x) << 0)
+ /* 0 - always
+ * 1 - <
+ * 2 - <=
+ * 3 - ==
+ * 4 - !=
+ * 5 - >=
+ * 6 - >
+ */
+#define WAIT_REG_MEM_MEM_SPACE(x) ((x) << 4)
+ /* 0 - reg
+ * 1 - mem
+ */
+#define WAIT_REG_MEM_ENGINE(x) ((x) << 8)
+ /* 0 - me
+ * 1 - pfp
+ */
#define PACKET3_MEM_WRITE 0x3D
#define PACKET3_COPY_DATA 0x40
#define PACKET3_CP_DMA 0x41
@@ -1789,6 +1806,7 @@
#define DMA_PACKET_TRAP 0x7
#define DMA_PACKET_SRBM_WRITE 0x9
#define DMA_PACKET_CONSTANT_FILL 0xd
+#define DMA_PACKET_POLL_REG_MEM 0xe
#define DMA_PACKET_NOP 0xf
#endif
@@ -35,6 +35,8 @@ static struct class *pyra_class;
static void profile_activated(struct pyra_device *pyra,
unsigned int new_profile)
{
+ if (new_profile >= ARRAY_SIZE(pyra->profile_settings))
+ return;
pyra->actual_profile = new_profile;
pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi;
}
@@ -257,9 +259,11 @@ static ssize_t pyra_sysfs_write_settings(struct file *fp,
if (off != 0 || count != PYRA_SIZE_SETTINGS)
return -EINVAL;
- mutex_lock(&pyra->pyra_lock);
-
settings = (struct pyra_settings const *)buf;
+ if (settings->startup_profile >= ARRAY_SIZE(pyra->profile_settings))
+ return -EINVAL;
+
+ mutex_lock(&pyra->pyra_lock);
retval = pyra_set_settings(usb_dev, settings);
if (retval) {
@@ -1396,6 +1396,9 @@ static int elantech_set_properties(struct elantech_data *etd)
case 6:
case 7:
case 8:
+ case 9:
+ case 10:
+ case 13:
etd->hw_version = 4;
break;
default:
@@ -408,6 +408,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
},
},
{
+ /* Acer Aspire 7738 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
+ },
+ },
+ {
/* Gericom Bellagio */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
@@ -721,6 +728,35 @@ static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
{ }
};
+/*
+ * Some laptops need keyboard reset before probing for the trackpad to get
+ * it detected, initialised & finally work.
+ */
+static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
+ {
+ /* Gigabyte P35 v2 - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
+ },
+ },
+ {
+ /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
+ },
+ },
+ {
+ /* Gigabyte P34 - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
+ },
+ },
+ { }
+};
+
#endif /* CONFIG_X86 */
#ifdef CONFIG_PNP
@@ -1001,6 +1037,9 @@ static int __init i8042_platform_init(void)
if (dmi_check_system(i8042_dmi_dritek_table))
i8042_dritek = true;
+ if (dmi_check_system(i8042_dmi_kbdreset_table))
+ i8042_kbdreset = true;
+
/*
* A20 was already enabled during early kernel init. But some buggy
* BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
@@ -67,6 +67,10 @@ static bool i8042_notimeout;
module_param_named(notimeout, i8042_notimeout, bool, 0);
MODULE_PARM_DESC(notimeout, "Ignore timeouts signalled by i8042");
+static bool i8042_kbdreset;
+module_param_named(kbdreset, i8042_kbdreset, bool, 0);
+MODULE_PARM_DESC(kbdreset, "Reset device connected to KBD port");
+
#ifdef CONFIG_X86
static bool i8042_dritek;
module_param_named(dritek, i8042_dritek, bool, 0);
@@ -788,6 +792,16 @@ static int __init i8042_check_aux(void)
return -1;
/*
+ * Reset keyboard (needed on some laptops to successfully detect
+ * touchpad, e.g., some Gigabyte laptop models with Elantech
+ * touchpads).
+ */
+ if (i8042_kbdreset) {
+ pr_warn("Attempting to reset device connected to KBD port\n");
+ i8042_kbd_write(NULL, (unsigned char) 0xff);
+ }
+
+/*
* Test AUX IRQ delivery to make sure BIOS did not grab the IRQ and
* used it for a PCI card or somethig else.
*/
@@ -94,6 +94,9 @@ struct cache_disk_superblock {
} __packed;
struct dm_cache_metadata {
+ atomic_t ref_count;
+ struct list_head list;
+
struct block_device *bdev;
struct dm_block_manager *bm;
struct dm_space_map *metadata_sm;
@@ -669,10 +672,10 @@ static void unpack_value(__le64 value_le, dm_oblock_t *block, unsigned *flags)
/*----------------------------------------------------------------*/
-struct dm_cache_metadata *dm_cache_metadata_open(struct block_device *bdev,
- sector_t data_block_size,
- bool may_format_device,
- size_t policy_hint_size)
+static struct dm_cache_metadata *metadata_open(struct block_device *bdev,
+ sector_t data_block_size,
+ bool may_format_device,
+ size_t policy_hint_size)
{
int r;
struct dm_cache_metadata *cmd;
@@ -683,6 +686,7 @@ struct dm_cache_metadata *dm_cache_metadata_open(struct block_device *bdev,
return NULL;
}
+ atomic_set(&cmd->ref_count, 1);
init_rwsem(&cmd->root_lock);
cmd->bdev = bdev;
cmd->data_block_size = data_block_size;
@@ -705,10 +709,95 @@ struct dm_cache_metadata *dm_cache_metadata_open(struct block_device *bdev,
return cmd;
}
+/*
+ * We keep a little list of ref counted metadata objects to prevent two
+ * different target instances creating separate bufio instances. This is
+ * an issue if a table is reloaded before the suspend.
+ */
+static DEFINE_MUTEX(table_lock);
+static LIST_HEAD(table);
+
+static struct dm_cache_metadata *lookup(struct block_device *bdev)
+{
+ struct dm_cache_metadata *cmd;
+
+ list_for_each_entry(cmd, &table, list)
+ if (cmd->bdev == bdev) {
+ atomic_inc(&cmd->ref_count);
+ return cmd;
+ }
+
+ return NULL;
+}
+
+static struct dm_cache_metadata *lookup_or_open(struct block_device *bdev,
+ sector_t data_block_size,
+ bool may_format_device,
+ size_t policy_hint_size)
+{
+ struct dm_cache_metadata *cmd, *cmd2;
+
+ mutex_lock(&table_lock);
+ cmd = lookup(bdev);
+ mutex_unlock(&table_lock);
+
+ if (cmd)
+ return cmd;
+
+ cmd = metadata_open(bdev, data_block_size, may_format_device, policy_hint_size);
+ if (cmd) {
+ mutex_lock(&table_lock);
+ cmd2 = lookup(bdev);
+ if (cmd2) {
+ mutex_unlock(&table_lock);
+ __destroy_persistent_data_objects(cmd);
+ kfree(cmd);
+ return cmd2;
+ }
+ list_add(&cmd->list, &table);
+ mutex_unlock(&table_lock);
+ }
+
+ return cmd;
+}
+
+static bool same_params(struct dm_cache_metadata *cmd, sector_t data_block_size)
+{
+ if (cmd->data_block_size != data_block_size) {
+ DMERR("data_block_size (%llu) different from that in metadata (%llu)\n",
+ (unsigned long long) data_block_size,
+ (unsigned long long) cmd->data_block_size);
+ return false;
+ }
+
+ return true;
+}
+
+struct dm_cache_metadata *dm_cache_metadata_open(struct block_device *bdev,
+ sector_t data_block_size,
+ bool may_format_device,
+ size_t policy_hint_size)
+{
+ struct dm_cache_metadata *cmd = lookup_or_open(bdev, data_block_size,
+ may_format_device, policy_hint_size);
+ if (cmd && !same_params(cmd, data_block_size)) {
+ dm_cache_metadata_close(cmd);
+ return NULL;
+ }
+
+ return cmd;
+}
+
void dm_cache_metadata_close(struct dm_cache_metadata *cmd)
{
- __destroy_persistent_data_objects(cmd);
- kfree(cmd);
+ if (atomic_dec_and_test(&cmd->ref_count)) {
+ mutex_lock(&table_lock);
+ list_del(&cmd->list);
+ mutex_unlock(&table_lock);
+
+ __destroy_persistent_data_objects(cmd);
+ kfree(cmd);
+ }
}
/*
@@ -216,7 +216,13 @@ struct cache {
struct list_head need_commit_migrations;
sector_t migration_threshold;
wait_queue_head_t migration_wait;
- atomic_t nr_migrations;
+ atomic_t nr_allocated_migrations;
+
+ /*
+ * The number of in flight migrations that are performing
+ * background io. eg, promotion, writeback.
+ */
+ atomic_t nr_io_migrations;
wait_queue_head_t quiescing_wait;
atomic_t quiescing;
@@ -253,7 +259,6 @@ struct cache {
struct dm_deferred_set *all_io_ds;
mempool_t *migration_pool;
- struct dm_cache_migration *next_migration;
struct dm_cache_policy *policy;
unsigned policy_nr_args;
@@ -344,10 +349,31 @@ static void free_prison_cell(struct cache *cache, struct dm_bio_prison_cell *cel
dm_bio_prison_free_cell(cache->prison, cell);
}
+static struct dm_cache_migration *alloc_migration(struct cache *cache)
+{
+ struct dm_cache_migration *mg;
+
+ mg = mempool_alloc(cache->migration_pool, GFP_NOWAIT);
+ if (mg) {
+ mg->cache = cache;
+ atomic_inc(&mg->cache->nr_allocated_migrations);
+ }
+
+ return mg;
+}
+
+static void free_migration(struct dm_cache_migration *mg)
+{
+ if (atomic_dec_and_test(&mg->cache->nr_allocated_migrations))
+ wake_up(&mg->cache->migration_wait);
+
+ mempool_free(mg, mg->cache->migration_pool);
+}
+
static int prealloc_data_structs(struct cache *cache, struct prealloc *p)
{
if (!p->mg) {
- p->mg = mempool_alloc(cache->migration_pool, GFP_NOWAIT);
+ p->mg = alloc_migration(cache);
if (!p->mg)
return -ENOMEM;
}
@@ -376,7 +402,7 @@ static void prealloc_free_structs(struct cache *cache, struct prealloc *p)
free_prison_cell(cache, p->cell1);
if (p->mg)
- mempool_free(p->mg, cache->migration_pool);
+ free_migration(p->mg);
}
static struct dm_cache_migration *prealloc_get_migration(struct prealloc *p)
@@ -803,24 +829,14 @@ static void remap_to_origin_then_cache(struct cache *cache, struct bio *bio,
* Migration covers moving data from the origin device to the cache, or
* vice versa.
*--------------------------------------------------------------*/
-static void free_migration(struct dm_cache_migration *mg)
-{
- mempool_free(mg, mg->cache->migration_pool);
-}
-
-static void inc_nr_migrations(struct cache *cache)
+static void inc_io_migrations(struct cache *cache)
{
- atomic_inc(&cache->nr_migrations);
+ atomic_inc(&cache->nr_io_migrations);
}
-static void dec_nr_migrations(struct cache *cache)
+static void dec_io_migrations(struct cache *cache)
{
- atomic_dec(&cache->nr_migrations);
-
- /*
- * Wake the worker in case we're suspending the target.
- */
- wake_up(&cache->migration_wait);
+ atomic_dec(&cache->nr_io_migrations);
}
static void __cell_defer(struct cache *cache, struct dm_bio_prison_cell *cell,
@@ -843,11 +859,10 @@ static void cell_defer(struct cache *cache, struct dm_bio_prison_cell *cell,
wake_worker(cache);
}
-static void cleanup_migration(struct dm_cache_migration *mg)
+static void free_io_migration(struct dm_cache_migration *mg)
{
- struct cache *cache = mg->cache;
+ dec_io_migrations(mg->cache);
free_migration(mg);
- dec_nr_migrations(cache);
}
static void migration_failure(struct dm_cache_migration *mg)
@@ -872,7 +887,7 @@ static void migration_failure(struct dm_cache_migration *mg)
cell_defer(cache, mg->new_ocell, true);
}
- cleanup_migration(mg);
+ free_io_migration(mg);
}
static void migration_success_pre_commit(struct dm_cache_migration *mg)
@@ -883,7 +898,7 @@ static void migration_success_pre_commit(struct dm_cache_migration *mg)
if (mg->writeback) {
clear_dirty(cache, mg->old_oblock, mg->cblock);
cell_defer(cache, mg->old_ocell, false);
- cleanup_migration(mg);
+ free_io_migration(mg);
return;
} else if (mg->demote) {
@@ -893,14 +908,14 @@ static void migration_success_pre_commit(struct dm_cache_migration *mg)
mg->old_oblock);
if (mg->promote)
cell_defer(cache, mg->new_ocell, true);
- cleanup_migration(mg);
+ free_io_migration(mg);
return;
}
} else {
if (dm_cache_insert_mapping(cache->cmd, mg->cblock, mg->new_oblock)) {
DMWARN_LIMIT("promotion failed; couldn't update on disk metadata");
policy_remove_mapping(cache->policy, mg->new_oblock);
- cleanup_migration(mg);
+ free_io_migration(mg);
return;
}
}
@@ -933,7 +948,7 @@ static void migration_success_post_commit(struct dm_cache_migration *mg)
} else {
if (mg->invalidate)
policy_remove_mapping(cache->policy, mg->old_oblock);
- cleanup_migration(mg);
+ free_io_migration(mg);
}
} else {
@@ -948,7 +963,7 @@ static void migration_success_post_commit(struct dm_cache_migration *mg)
bio_endio(mg->new_ocell->holder, 0);
cell_defer(cache, mg->new_ocell, false);
}
- cleanup_migration(mg);
+ free_io_migration(mg);
}
}
@@ -1158,7 +1173,7 @@ static void promote(struct cache *cache, struct prealloc *structs,
mg->new_ocell = cell;
mg->start_jiffies = jiffies;
- inc_nr_migrations(cache);
+ inc_io_migrations(cache);
quiesce_migration(mg);
}
@@ -1181,7 +1196,7 @@ static void writeback(struct cache *cache, struct prealloc *structs,
mg->new_ocell = NULL;
mg->start_jiffies = jiffies;
- inc_nr_migrations(cache);
+ inc_io_migrations(cache);
quiesce_migration(mg);
}
@@ -1207,7 +1222,7 @@ static void demote_then_promote(struct cache *cache, struct prealloc *structs,
mg->new_ocell = new_ocell;
mg->start_jiffies = jiffies;
- inc_nr_migrations(cache);
+ inc_io_migrations(cache);
quiesce_migration(mg);
}
@@ -1234,7 +1249,7 @@ static void invalidate(struct cache *cache, struct prealloc *structs,
mg->new_ocell = NULL;
mg->start_jiffies = jiffies;
- inc_nr_migrations(cache);
+ inc_io_migrations(cache);
quiesce_migration(mg);
}
@@ -1295,7 +1310,7 @@ static void process_discard_bio(struct cache *cache, struct bio *bio)
static bool spare_migration_bandwidth(struct cache *cache)
{
- sector_t current_volume = (atomic_read(&cache->nr_migrations) + 1) *
+ sector_t current_volume = (atomic_read(&cache->nr_io_migrations) + 1) *
cache->sectors_per_block;
return current_volume < cache->migration_threshold;
}
@@ -1650,7 +1665,7 @@ static void stop_quiescing(struct cache *cache)
static void wait_for_migrations(struct cache *cache)
{
- wait_event(cache->migration_wait, !atomic_read(&cache->nr_migrations));
+ wait_event(cache->migration_wait, !atomic_read(&cache->nr_allocated_migrations));
}
static void stop_worker(struct cache *cache)
@@ -1761,9 +1776,6 @@ static void destroy(struct cache *cache)
{
unsigned i;
- if (cache->next_migration)
- mempool_free(cache->next_migration, cache->migration_pool);
-
if (cache->migration_pool)
mempool_destroy(cache->migration_pool);
@@ -2271,7 +2283,8 @@ static int cache_create(struct cache_args *ca, struct cache **result)
INIT_LIST_HEAD(&cache->quiesced_migrations);
INIT_LIST_HEAD(&cache->completed_migrations);
INIT_LIST_HEAD(&cache->need_commit_migrations);
- atomic_set(&cache->nr_migrations, 0);
+ atomic_set(&cache->nr_allocated_migrations, 0);
+ atomic_set(&cache->nr_io_migrations, 0);
init_waitqueue_head(&cache->migration_wait);
init_waitqueue_head(&cache->quiescing_wait);
@@ -2331,8 +2344,6 @@ static int cache_create(struct cache_args *ca, struct cache **result)
goto bad;
}
- cache->next_migration = NULL;
-
cache->need_tick_bio = true;
cache->sized = false;
cache->invalidate = false;
@@ -179,6 +179,18 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable)
struct mei_me_hw *hw = to_me_hw(dev);
u32 hcsr = mei_hcsr_read(hw);
+ /* H_RST may be found lit before reset is started,
+ * for example if preceding reset flow hasn't completed.
+ * In that case asserting H_RST will be ignored, therefore
+ * we need to clean H_RST bit to start a successful reset sequence.
+ */
+ if ((hcsr & H_RST) == H_RST) {
+ dev_warn(&dev->pdev->dev, "H_RST is set = 0x%08X", hcsr);
+ hcsr &= ~H_RST;
+ mei_me_reg_write(hw, H_CSR, hcsr);
+ hcsr = mei_hcsr_read(hw);
+ }
+
hcsr |= H_RST | H_IG | H_IS;
if (intr_enable)
@@ -1333,6 +1333,8 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
sdhci_runtime_pm_get(host);
+ present = mmc_gpio_get_cd(host->mmc);
+
spin_lock_irqsave(&host->lock, flags);
WARN_ON(host->mrq != NULL);
@@ -1361,7 +1363,6 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
* zero: cd-gpio is used, and card is removed
* one: cd-gpio is used, and card is present
*/
- present = mmc_gpio_get_cd(host->mmc);
if (present < 0) {
/* If polling, assume that the card is always present. */
if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION)
@@ -2065,15 +2066,18 @@ static void sdhci_card_event(struct mmc_host *mmc)
{
struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
+ int present;
/* First check if client has provided their own card event */
if (host->ops->card_event)
host->ops->card_event(host);
+ present = sdhci_do_get_cd(host);
+
spin_lock_irqsave(&host->lock, flags);
/* Check host->mrq first in case we are runtime suspended */
- if (host->mrq && !sdhci_do_get_cd(host)) {
+ if (host->mrq && !present) {
pr_err("%s: Card removed during transfer!\n",
mmc_hostname(host->mmc));
pr_err("%s: Resetting controller.\n",
@@ -665,10 +665,14 @@ static int can_changelink(struct net_device *dev,
if (dev->flags & IFF_UP)
return -EBUSY;
cm = nla_data(data[IFLA_CAN_CTRLMODE]);
- if (cm->flags & ~priv->ctrlmode_supported)
+
+ /* check whether changed bits are allowed to be modified */
+ if (cm->mask & ~priv->ctrlmode_supported)
return -EOPNOTSUPP;
+
+ /* clear bits to be modified and copy the flag values */
priv->ctrlmode &= ~cm->mask;
- priv->ctrlmode |= cm->flags;
+ priv->ctrlmode |= (cm->flags & cm->mask);
}
if (data[IFLA_CAN_RESTART_MS]) {
@@ -1238,6 +1238,9 @@ static int kvaser_usb_close(struct net_device *netdev)
if (err)
netdev_warn(netdev, "Cannot stop device, error %d\n", err);
+ /* reset tx contexts */
+ kvaser_usb_unlink_tx_urbs(priv);
+
priv->can.state = CAN_STATE_STOPPED;
close_candev(priv->netdev);
@@ -1286,12 +1289,14 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
if (!urb) {
netdev_err(netdev, "No memory left for URBs\n");
stats->tx_dropped++;
- goto nourbmem;
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
}
buf = kmalloc(sizeof(struct kvaser_msg), GFP_ATOMIC);
if (!buf) {
stats->tx_dropped++;
+ dev_kfree_skb(skb);
goto nobufmem;
}
@@ -1326,6 +1331,7 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
}
}
+ /* This should never happen; it implies a flow control bug */
if (!context) {
netdev_warn(netdev, "cannot find free context\n");
ret = NETDEV_TX_BUSY;
@@ -1356,9 +1362,6 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
if (unlikely(err)) {
can_free_echo_skb(netdev, context->echo_index);
- skb = NULL; /* set to NULL to avoid double free in
- * dev_kfree_skb(skb) */
-
atomic_dec(&priv->active_tx_urbs);
usb_unanchor_urb(urb);
@@ -1380,8 +1383,6 @@ releasebuf:
kfree(buf);
nobufmem:
usb_free_urb(urb);
-nourbmem:
- dev_kfree_skb(skb);
return ret;
}
@@ -1493,6 +1494,10 @@ static int kvaser_usb_init_one(struct usb_interface *intf,
struct kvaser_usb_net_priv *priv;
int i, err;
+ err = kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, channel);
+ if (err)
+ return err;
+
netdev = alloc_candev(sizeof(*priv), MAX_TX_URBS);
if (!netdev) {
dev_err(&intf->dev, "Cannot alloc candev\n");
@@ -1596,9 +1601,6 @@ static int kvaser_usb_probe(struct usb_interface *intf,
usb_set_intfdata(intf, dev);
- for (i = 0; i < MAX_NET_DEVICES; i++)
- kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, i);
-
err = kvaser_usb_get_software_info(dev);
if (err) {
dev_err(&intf->dev,
@@ -637,6 +637,14 @@ void cpsw_rx_handler(void *token, int len, int status)
static irqreturn_t cpsw_interrupt(int irq, void *dev_id)
{
struct cpsw_priv *priv = dev_id;
+ int value = irq - priv->irqs_table[0];
+
+ /* NOTICE: Ending IRQ here. The trick with the 'value' variable above
+ * is to make sure we will always write the correct value to the EOI
+ * register. Namely 0 for RX_THRESH Interrupt, 1 for RX Interrupt, 2
+ * for TX Interrupt and 3 for MISC Interrupt.
+ */
+ cpdma_ctlr_eoi(priv->dma, value);
cpsw_intr_disable(priv);
if (priv->irq_enabled == true) {
@@ -666,8 +674,6 @@ static int cpsw_poll(struct napi_struct *napi, int budget)
int num_tx, num_rx;
num_tx = cpdma_chan_process(priv->txch, 128);
- if (num_tx)
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
num_rx = cpdma_chan_process(priv->rxch, budget);
if (num_rx < budget) {
@@ -675,7 +681,6 @@ static int cpsw_poll(struct napi_struct *napi, int budget)
napi_complete(napi);
cpsw_intr_enable(priv);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
prim_cpsw = cpsw_get_slave_priv(priv, 0);
if (prim_cpsw->irq_enabled == false) {
prim_cpsw->irq_enabled = true;
@@ -1169,6 +1174,10 @@ static int cpsw_ndo_open(struct net_device *ndev)
cpsw_set_coalesce(ndev, &coal);
}
+ napi_enable(&priv->napi);
+ cpdma_ctlr_start(priv->dma);
+ cpsw_intr_enable(priv);
+
prim_cpsw = cpsw_get_slave_priv(priv, 0);
if (prim_cpsw->irq_enabled == false) {
if ((priv == prim_cpsw) || !netif_running(prim_cpsw->ndev)) {
@@ -1177,12 +1186,6 @@ static int cpsw_ndo_open(struct net_device *ndev)
}
}
- napi_enable(&priv->napi);
- cpdma_ctlr_start(priv->dma);
- cpsw_intr_enable(priv);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
-
if (priv->data.dual_emac)
priv->slaves[priv->emac_port].open_stat = true;
return 0;
@@ -1430,9 +1433,6 @@ static void cpsw_ndo_tx_timeout(struct net_device *ndev)
cpdma_chan_start(priv->txch);
cpdma_ctlr_int_ctrl(priv->dma, true);
cpsw_intr_enable(priv);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
-
}
static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
@@ -1478,9 +1478,6 @@ static void cpsw_ndo_poll_controller(struct net_device *ndev)
cpsw_interrupt(ndev->irq, priv);
cpdma_ctlr_int_ctrl(priv->dma, true);
cpsw_intr_enable(priv);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
-
}
#endif
@@ -1810,14 +1810,15 @@ void pinctrl_unregister(struct pinctrl_dev *pctldev)
if (pctldev == NULL)
return;
- mutex_lock(&pinctrldev_list_mutex);
mutex_lock(&pctldev->mutex);
-
pinctrl_remove_device_debugfs(pctldev);
+ mutex_unlock(&pctldev->mutex);
if (!IS_ERR(pctldev->p))
pinctrl_put(pctldev->p);
+ mutex_lock(&pinctrldev_list_mutex);
+ mutex_lock(&pctldev->mutex);
/* TODO: check that no pinmuxes are still active? */
list_del(&pctldev->node);
/* Destroy descriptor tree */
@@ -29,7 +29,6 @@
#include <linux/gpio.h>
#include <linux/irqdomain.h>
#include <linux/acpi.h>
-#include <linux/acpi_gpio.h>
#include <linux/platform_device.h>
#include <linux/seq_file.h>
#include <linux/io.h>
@@ -485,9 +484,6 @@ static int byt_gpio_probe(struct platform_device *pdev)
irq_set_handler_data(hwirq, vg);
irq_set_chained_handler(hwirq, byt_gpio_irq_handler);
-
- /* Register interrupt handlers for gpio signaled acpi events */
- acpi_gpiochip_request_interrupts(gc);
}
pm_runtime_enable(dev);
@@ -44,6 +44,7 @@
#include <linux/hrtimer.h>
#include <linux/ktime.h>
#include <asm/facility.h>
+#include <linux/crypto.h>
#include "ap_bus.h"
@@ -71,7 +72,7 @@ MODULE_AUTHOR("IBM Corporation");
MODULE_DESCRIPTION("Adjunct Processor Bus driver, " \
"Copyright IBM Corp. 2006, 2012");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("z90crypt");
+MODULE_ALIAS_CRYPTO("z90crypt");
/*
* Module parameter
@@ -683,6 +683,7 @@ static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd,
ipr_reinit_ipr_cmnd(ipr_cmd);
ipr_cmd->u.scratch = 0;
ipr_cmd->sibling = NULL;
+ ipr_cmd->eh_comp = NULL;
ipr_cmd->fast_done = fast_done;
init_timer(&ipr_cmd->timer);
}
@@ -848,6 +849,8 @@ static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd)
scsi_dma_unmap(ipr_cmd->scsi_cmd);
scsi_cmd->scsi_done(scsi_cmd);
+ if (ipr_cmd->eh_comp)
+ complete(ipr_cmd->eh_comp);
list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
}
@@ -4805,6 +4808,84 @@ static int ipr_slave_alloc(struct scsi_device *sdev)
return rc;
}
+/**
+ * ipr_match_lun - Match function for specified LUN
+ * @ipr_cmd: ipr command struct
+ * @device: device to match (sdev)
+ *
+ * Returns:
+ * 1 if command matches sdev / 0 if command does not match sdev
+ **/
+static int ipr_match_lun(struct ipr_cmnd *ipr_cmd, void *device)
+{
+ if (ipr_cmd->scsi_cmd && ipr_cmd->scsi_cmd->device == device)
+ return 1;
+ return 0;
+}
+
+/**
+ * ipr_wait_for_ops - Wait for matching commands to complete
+ * @ipr_cmd: ipr command struct
+ * @device: device to match (sdev)
+ * @match: match function to use
+ *
+ * Returns:
+ * SUCCESS / FAILED
+ **/
+static int ipr_wait_for_ops(struct ipr_ioa_cfg *ioa_cfg, void *device,
+ int (*match)(struct ipr_cmnd *, void *))
+{
+ struct ipr_cmnd *ipr_cmd;
+ int wait;
+ unsigned long flags;
+ struct ipr_hrr_queue *hrrq;
+ signed long timeout = IPR_ABORT_TASK_TIMEOUT;
+ DECLARE_COMPLETION_ONSTACK(comp);
+
+ ENTER;
+ do {
+ wait = 0;
+
+ for_each_hrrq(hrrq, ioa_cfg) {
+ spin_lock_irqsave(hrrq->lock, flags);
+ list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) {
+ if (match(ipr_cmd, device)) {
+ ipr_cmd->eh_comp = ∁
+ wait++;
+ }
+ }
+ spin_unlock_irqrestore(hrrq->lock, flags);
+ }
+
+ if (wait) {
+ timeout = wait_for_completion_timeout(&comp, timeout);
+
+ if (!timeout) {
+ wait = 0;
+
+ for_each_hrrq(hrrq, ioa_cfg) {
+ spin_lock_irqsave(hrrq->lock, flags);
+ list_for_each_entry(ipr_cmd, &hrrq->hrrq_pending_q, queue) {
+ if (match(ipr_cmd, device)) {
+ ipr_cmd->eh_comp = NULL;
+ wait++;
+ }
+ }
+ spin_unlock_irqrestore(hrrq->lock, flags);
+ }
+
+ if (wait)
+ dev_err(&ioa_cfg->pdev->dev, "Timed out waiting for aborted commands\n");
+ LEAVE;
+ return wait ? FAILED : SUCCESS;
+ }
+ }
+ } while (wait);
+
+ LEAVE;
+ return SUCCESS;
+}
+
static int ipr_eh_host_reset(struct scsi_cmnd *cmd)
{
struct ipr_ioa_cfg *ioa_cfg;
@@ -5023,11 +5104,17 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd *scsi_cmd)
static int ipr_eh_dev_reset(struct scsi_cmnd *cmd)
{
int rc;
+ struct ipr_ioa_cfg *ioa_cfg;
+
+ ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata;
spin_lock_irq(cmd->device->host->host_lock);
rc = __ipr_eh_dev_reset(cmd);
spin_unlock_irq(cmd->device->host->host_lock);
+ if (rc == SUCCESS)
+ rc = ipr_wait_for_ops(ioa_cfg, cmd->device, ipr_match_lun);
+
return rc;
}
@@ -5205,13 +5292,18 @@ static int ipr_eh_abort(struct scsi_cmnd *scsi_cmd)
{
unsigned long flags;
int rc;
+ struct ipr_ioa_cfg *ioa_cfg;
ENTER;
+ ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata;
+
spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags);
rc = ipr_cancel_op(scsi_cmd);
spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags);
+ if (rc == SUCCESS)
+ rc = ipr_wait_for_ops(ioa_cfg, scsi_cmd->device, ipr_match_lun);
LEAVE;
return rc;
}
@@ -1585,6 +1585,7 @@ struct ipr_cmnd {
struct scsi_device *sdev;
} u;
+ struct completion *eh_comp;
struct ipr_hrr_queue *hrrq;
struct ipr_ioa_cfg *ioa_cfg;
};
@@ -1065,10 +1065,10 @@ int se_dev_set_optimal_sectors(struct se_device *dev, u32 optimal_sectors)
" changed for TCM/pSCSI\n", dev);
return -EINVAL;
}
- if (optimal_sectors > dev->dev_attrib.fabric_max_sectors) {
+ if (optimal_sectors > dev->dev_attrib.hw_max_sectors) {
pr_err("dev[%p]: Passed optimal_sectors %u cannot be"
- " greater than fabric_max_sectors: %u\n", dev,
- optimal_sectors, dev->dev_attrib.fabric_max_sectors);
+ " greater than hw_max_sectors: %u\n", dev,
+ optimal_sectors, dev->dev_attrib.hw_max_sectors);
return -EINVAL;
}
@@ -1473,7 +1473,6 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT;
dev->dev_attrib.max_write_same_len = DA_MAX_WRITE_SAME_LEN;
dev->dev_attrib.fabric_max_sectors = DA_FABRIC_MAX_SECTORS;
- dev->dev_attrib.optimal_sectors = DA_FABRIC_MAX_SECTORS;
xcopy_lun = &dev->xcopy_lun;
xcopy_lun->lun_se_dev = dev;
@@ -1514,6 +1513,7 @@ int target_configure_device(struct se_device *dev)
dev->dev_attrib.hw_max_sectors =
se_dev_align_max_sectors(dev->dev_attrib.hw_max_sectors,
dev->dev_attrib.hw_block_size);
+ dev->dev_attrib.optimal_sectors = dev->dev_attrib.hw_max_sectors;
dev->dev_index = scsi_get_new_index(SCSI_DEVICE_INDEX);
dev->creation_time = get_jiffies_64();
@@ -552,7 +552,16 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
{
struct se_device *dev = cmd->se_dev;
int ret = 0;
-
+ /*
+ * We are currently limited by the number of iovecs (2048) per
+ * single vfs_[writev,readv] call.
+ */
+ if (cmd->data_length > FD_MAX_BYTES) {
+ pr_err("FILEIO: Not able to process I/O of %u bytes due to"
+ "FD_MAX_BYTES: %u iovec count limitiation\n",
+ cmd->data_length, FD_MAX_BYTES);
+ return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ }
/*
* Call vectorized fileio functions to map struct scatterlist
* physical memory addresses to struct iovec virtual memory.
@@ -122,7 +122,7 @@ static int iblock_configure_device(struct se_device *dev)
q = bdev_get_queue(bd);
dev->dev_attrib.hw_block_size = bdev_logical_block_size(bd);
- dev->dev_attrib.hw_max_sectors = UINT_MAX;
+ dev->dev_attrib.hw_max_sectors = queue_max_hw_sectors(q);
dev->dev_attrib.hw_queue_depth = q->nr_requests;
/*
@@ -839,21 +839,6 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) {
unsigned long long end_lba;
- if (sectors > dev->dev_attrib.fabric_max_sectors) {
- printk_ratelimited(KERN_ERR "SCSI OP %02xh with too"
- " big sectors %u exceeds fabric_max_sectors:"
- " %u\n", cdb[0], sectors,
- dev->dev_attrib.fabric_max_sectors);
- return TCM_INVALID_CDB_FIELD;
- }
- if (sectors > dev->dev_attrib.hw_max_sectors) {
- printk_ratelimited(KERN_ERR "SCSI OP %02xh with too"
- " big sectors %u exceeds backend hw_max_sectors:"
- " %u\n", cdb[0], sectors,
- dev->dev_attrib.hw_max_sectors);
- return TCM_INVALID_CDB_FIELD;
- }
-
end_lba = dev->transport->get_blocks(dev) + 1;
if (cmd->t_task_lba + sectors > end_lba) {
pr_err("cmd exceeds last lba %llu "
@@ -450,7 +450,6 @@ static sense_reason_t
spc_emulate_evpd_b0(struct se_cmd *cmd, unsigned char *buf)
{
struct se_device *dev = cmd->se_dev;
- u32 max_sectors;
int have_tp = 0;
int opt, min;
@@ -484,9 +483,7 @@ spc_emulate_evpd_b0(struct se_cmd *cmd, unsigned char *buf)
/*
* Set MAXIMUM TRANSFER LENGTH
*/
- max_sectors = min(dev->dev_attrib.fabric_max_sectors,
- dev->dev_attrib.hw_max_sectors);
- put_unaligned_be32(max_sectors, &buf[8]);
+ put_unaligned_be32(dev->dev_attrib.hw_max_sectors, &buf[8]);
/*
* Set OPTIMAL TRANSFER LENGTH
@@ -887,8 +887,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting)
if (i == (request->num_mapped_sgs - 1) ||
sg_is_last(s)) {
- if (list_is_last(&req->list,
- &dep->request_list))
+ if (list_empty(&dep->request_list))
last_one = true;
chain = false;
}
@@ -906,6 +905,9 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting)
if (last_one)
break;
}
+
+ if (last_one)
+ break;
} else {
dma = req->request.dma;
length = req->request.length;
@@ -716,10 +716,10 @@ static int queue_dma(struct usba_udc *udc, struct usba_ep *ep,
req->using_dma = 1;
req->ctrl = USBA_BF(DMA_BUF_LEN, req->req.length)
| USBA_DMA_CH_EN | USBA_DMA_END_BUF_IE
- | USBA_DMA_END_TR_EN | USBA_DMA_END_TR_IE;
+ | USBA_DMA_END_BUF_EN;
- if (ep->is_in)
- req->ctrl |= USBA_DMA_END_BUF_EN;
+ if (!ep->is_in)
+ req->ctrl |= USBA_DMA_END_TR_EN | USBA_DMA_END_TR_IE;
/*
* Add this request to the queue and submit for DMA if
@@ -828,7 +828,7 @@ static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
{
struct usba_ep *ep = to_usba_ep(_ep);
struct usba_udc *udc = ep->udc;
- struct usba_request *req = to_usba_req(_req);
+ struct usba_request *req;
unsigned long flags;
u32 status;
@@ -837,6 +837,16 @@ static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
spin_lock_irqsave(&udc->lock, flags);
+ list_for_each_entry(req, &ep->queue, queue) {
+ if (&req->req == _req)
+ break;
+ }
+
+ if (&req->req != _req) {
+ spin_unlock_irqrestore(&udc->lock, flags);
+ return -EINVAL;
+ }
+
if (req->using_dma) {
/*
* If this request is currently being transferred,
@@ -1572,7 +1582,6 @@ static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep)
if ((epstatus & epctrl) & USBA_RX_BK_RDY) {
DBG(DBG_BUS, "%s: RX data ready\n", ep->ep.name);
receive_data(ep);
- usba_ep_writel(ep, CLR_STA, USBA_RX_BK_RDY);
}
}
@@ -1581,6 +1581,10 @@ iso_stream_schedule (
else
next = (now + 2 + 7) & ~0x07; /* full frame cache */
+ /* If needed, initialize last_iso_frame so that this URB will be seen */
+ if (ehci->isoc_count == 0)
+ ehci->last_iso_frame = now >> 3;
+
/*
* Use ehci->last_iso_frame as the base. There can't be any
* TDs scheduled for earlier than that.
@@ -1671,10 +1675,6 @@ iso_stream_schedule (
urb->start_frame = start & (mod - 1);
if (!stream->highspeed)
urb->start_frame >>= 3;
-
- /* Make sure scan_isoc() sees these */
- if (ehci->isoc_count == 0)
- ehci->last_iso_frame = now >> 3;
return status;
fail:
@@ -572,7 +572,8 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
{
void __iomem *base;
u32 control;
- u32 fminterval;
+ u32 fminterval = 0;
+ bool no_fminterval = false;
int cnt;
if (!mmio_resource_enabled(pdev, 0))
@@ -582,6 +583,13 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
if (base == NULL)
return;
+ /*
+ * ULi M5237 OHCI controller locks the whole system when accessing
+ * the OHCI_FMINTERVAL offset.
+ */
+ if (pdev->vendor == PCI_VENDOR_ID_AL && pdev->device == 0x5237)
+ no_fminterval = true;
+
control = readl(base + OHCI_CONTROL);
/* On PA-RISC, PDC can leave IR set incorrectly; ignore it there. */
@@ -620,7 +628,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
}
/* software reset of the controller, preserving HcFmInterval */
- fminterval = readl(base + OHCI_FMINTERVAL);
+ if (!no_fminterval)
+ fminterval = readl(base + OHCI_FMINTERVAL);
+
writel(OHCI_HCR, base + OHCI_CMDSTATUS);
/* reset requires max 10 us delay */
@@ -629,7 +639,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
break;
udelay(1);
}
- writel(fminterval, base + OHCI_FMINTERVAL);
+
+ if (!no_fminterval)
+ writel(fminterval, base + OHCI_FMINTERVAL);
/* Now the controller is safely in SUSPEND and nothing can wake it up */
iounmap(base);
@@ -2631,7 +2631,6 @@ void musb_host_cleanup(struct musb *musb)
if (musb->port_mode == MUSB_PORT_MODE_GADGET)
return;
usb_remove_hcd(musb->hcd);
- musb->hcd = NULL;
}
void musb_host_free(struct musb *musb)
@@ -47,6 +47,8 @@ static struct console usbcons;
* ------------------------------------------------------------
*/
+static const struct tty_operations usb_console_fake_tty_ops = {
+};
/*
* The parsing of the command line works exactly like the
@@ -139,14 +141,18 @@ static int usb_console_setup(struct console *co, char *options)
goto reset_open_count;
}
kref_init(&tty->kref);
- tty_port_tty_set(&port->port, tty);
tty->driver = usb_serial_tty_driver;
tty->index = co->index;
+ init_ldsem(&tty->ldisc_sem);
+ INIT_LIST_HEAD(&tty->tty_files);
+ kref_get(&tty->driver->kref);
+ tty->ops = &usb_console_fake_tty_ops;
if (tty_init_termios(tty)) {
retval = -ENOMEM;
dev_err(&port->dev, "no more memory\n");
- goto free_tty;
+ goto put_tty;
}
+ tty_port_tty_set(&port->port, tty);
}
/* only call the device specific open if this
@@ -164,7 +170,7 @@ static int usb_console_setup(struct console *co, char *options)
serial->type->set_termios(tty, port, &dummy);
tty_port_tty_set(&port->port, NULL);
- kfree(tty);
+ tty_kref_put(tty);
}
set_bit(ASYNCB_INITIALIZED, &port->port.flags);
}
@@ -180,8 +186,8 @@ static int usb_console_setup(struct console *co, char *options)
fail:
tty_port_tty_set(&port->port, NULL);
- free_tty:
- kfree(tty);
+ put_tty:
+ tty_kref_put(tty);
reset_open_count:
port->port.count = 0;
usb_autopm_put_interface(serial->interface);
@@ -120,10 +120,12 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
- { USB_DEVICE(0x10C4, 0x8875) }, /* CEL MeshConnect USB Stick */
+ { USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */
+ { USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
+ { USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
@@ -422,6 +422,8 @@ static void usa26_instat_callback(struct urb *urb)
}
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -432,7 +434,7 @@ static void usa26_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -542,6 +544,8 @@ static void usa28_instat_callback(struct urb *urb)
}
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -552,7 +556,7 @@ static void usa28_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -625,6 +629,8 @@ static void usa49_instat_callback(struct urb *urb)
}
port = serial->port[msg->portNumber];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -635,7 +641,7 @@ static void usa49_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -873,6 +879,8 @@ static void usa90_instat_callback(struct urb *urb)
port = serial->port[0];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -883,7 +891,7 @@ static void usa90_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -944,6 +952,8 @@ static void usa67_instat_callback(struct urb *urb)
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -952,7 +962,7 @@ static void usa67_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -234,6 +234,8 @@ static void option_instat_callback(struct urb *urb);
#define QUALCOMM_VENDOR_ID 0x05C6
+#define SIERRA_VENDOR_ID 0x1199
+
#define CMOTECH_VENDOR_ID 0x16d8
#define CMOTECH_PRODUCT_6001 0x6001
#define CMOTECH_PRODUCT_CMU_300 0x6002
@@ -511,7 +513,7 @@ enum option_blacklist_reason {
OPTION_BLACKLIST_RESERVED_IF = 2
};
-#define MAX_BL_NUM 8
+#define MAX_BL_NUM 11
struct option_blacklist_info {
/* bitfield of interface numbers for OPTION_BLACKLIST_SENDSETUP */
const unsigned long sendsetup;
@@ -600,6 +602,11 @@ static const struct option_blacklist_info telit_le920_blacklist = {
.reserved = BIT(1) | BIT(5),
};
+static const struct option_blacklist_info sierra_mc73xx_blacklist = {
+ .sendsetup = BIT(0) | BIT(2),
+ .reserved = BIT(8) | BIT(10) | BIT(11),
+};
+
static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -1097,6 +1104,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
+ { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x68c0, 0xff),
+ .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC73xx */
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),
@@ -136,9 +136,6 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 0)}, /* Sierra Wireless MC7710 Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 2)}, /* Sierra Wireless MC7710 NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 3)}, /* Sierra Wireless MC7710 Modem */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 0)}, /* Sierra Wireless MC73xx Device Management */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 2)}, /* Sierra Wireless MC73xx NMEA */
- {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 3)}, /* Sierra Wireless MC73xx Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)}, /* Sierra Wireless EM7700 Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)}, /* Sierra Wireless EM7700 NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)}, /* Sierra Wireless EM7700 Modem */
@@ -821,13 +821,11 @@ static const struct vfio_device_ops vfio_pci_ops = {
static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
- u8 type;
struct vfio_pci_device *vdev;
struct iommu_group *group;
int ret;
- pci_read_config_byte(pdev, PCI_HEADER_TYPE, &type);
- if ((type & PCI_HEADER_TYPE) != PCI_HEADER_TYPE_NORMAL)
+ if (pdev->hdr_type != PCI_HEADER_TYPE_NORMAL)
return -EINVAL;
group = iommu_group_get(&pdev->dev);
@@ -83,9 +83,10 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy
cancel_delayed_work_sync(&info->deferred_work);
/* Run it immediately */
- err = schedule_delayed_work(&info->deferred_work, 0);
+ schedule_delayed_work(&info->deferred_work, 0);
mutex_unlock(&inode->i_mutex);
- return err;
+
+ return 0;
}
EXPORT_SYMBOL_GPL(fb_deferred_io_fsync);
@@ -25,6 +25,21 @@ static bool nologo;
module_param(nologo, bool, 0);
MODULE_PARM_DESC(nologo, "Disables startup logo");
+/*
+ * Logos are located in the initdata, and will be freed in kernel_init.
+ * Use late_init to mark the logos as freed to prevent any further use.
+ */
+
+static bool logos_freed;
+
+static int __init fb_logo_late_init(void)
+{
+ logos_freed = true;
+ return 0;
+}
+
+late_initcall(fb_logo_late_init);
+
/* logo's are marked __initdata. Use __init_refok to tell
* modpost that it is intended that this function uses data
* marked __initdata.
@@ -33,7 +48,7 @@ const struct linux_logo * __init_refok fb_find_logo(int depth)
{
const struct linux_logo *logo = NULL;
- if (nologo)
+ if (nologo || logos_freed)
return NULL;
if (depth >= 1) {
@@ -670,11 +670,13 @@ static const struct virtio_config_ops virtio_pci_config_ops = {
static void virtio_pci_release_dev(struct device *_d)
{
- /*
- * No need for a release method as we allocate/free
- * all devices together with the pci devices.
- * Provide an empty one to avoid getting a warning from core.
- */
+ struct virtio_device *vdev = dev_to_virtio(_d);
+ struct virtio_pci_device *vp_dev = to_vp_device(vdev);
+
+ /* As struct device is a kobject, it's not safe to
+ * free the memory (including the reference counter itself)
+ * until it's release callback. */
+ kfree(vp_dev);
}
/* the PCI probing function */
@@ -764,7 +766,6 @@ static void virtio_pci_remove(struct pci_dev *pci_dev)
pci_iounmap(pci_dev, vp_dev->ioaddr);
pci_release_regions(pci_dev);
pci_disable_device(pci_dev);
- kfree(vp_dev);
}
#ifdef CONFIG_PM_SLEEP
@@ -86,21 +86,16 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file,
}
src_inode = src_file.file->f_dentry->d_inode;
+ rc = -EINVAL;
+ if (S_ISDIR(src_inode->i_mode))
+ goto out_fput;
/*
* Note: cifs case is easier than btrfs since server responsible for
* checks for proper open modes and file type and if it wants
* server could even support copy of range where source = target
*/
-
- /* so we do not deadlock racing two ioctls on same files */
- if (target_inode < src_inode) {
- mutex_lock_nested(&target_inode->i_mutex, I_MUTEX_PARENT);
- mutex_lock_nested(&src_inode->i_mutex, I_MUTEX_CHILD);
- } else {
- mutex_lock_nested(&src_inode->i_mutex, I_MUTEX_PARENT);
- mutex_lock_nested(&target_inode->i_mutex, I_MUTEX_CHILD);
- }
+ lock_two_nondirectories(target_inode, src_inode);
/* determine range to clone */
rc = -EINVAL;
@@ -124,13 +119,7 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file,
out_unlock:
/* although unlocking in the reverse order from locking is not
strictly necessary here it is a little cleaner to be consistent */
- if (target_inode < src_inode) {
- mutex_unlock(&src_inode->i_mutex);
- mutex_unlock(&target_inode->i_mutex);
- } else {
- mutex_unlock(&target_inode->i_mutex);
- mutex_unlock(&src_inode->i_mutex);
- }
+ unlock_two_nondirectories(src_inode, target_inode);
out_fput:
fdput(src_file);
out_drop_write:
@@ -137,10 +137,6 @@ lockd(void *vrqstp)
dprintk("NFS locking service started (ver " LOCKD_VERSION ").\n");
- if (!nlm_timeout)
- nlm_timeout = LOCKD_DFLT_TIMEO;
- nlmsvc_timeout = nlm_timeout * HZ;
-
/*
* The main request loop. We don't terminate until the last
* NFS mount or NFS daemon has gone away.
@@ -346,6 +342,10 @@ static struct svc_serv *lockd_create_svc(void)
printk(KERN_WARNING
"lockd_up: no pid, %d users??\n", nlmsvc_users);
+ if (!nlm_timeout)
+ nlm_timeout = LOCKD_DFLT_TIMEO;
+ nlmsvc_timeout = nlm_timeout * HZ;
+
serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, NULL);
if (!serv) {
printk(KERN_WARNING "lockd_up: create service failed\n");
@@ -568,20 +568,14 @@ static bool nfs4_match_clientids(struct nfs_client *a, struct nfs_client *b)
}
/*
- * Returns true if the server owners match
+ * Returns true if the server major ids match
*/
static bool
-nfs4_match_serverowners(struct nfs_client *a, struct nfs_client *b)
+nfs4_check_clientid_trunking(struct nfs_client *a, struct nfs_client *b)
{
struct nfs41_server_owner *o1 = a->cl_serverowner;
struct nfs41_server_owner *o2 = b->cl_serverowner;
- if (o1->minor_id != o2->minor_id) {
- dprintk("NFS: --> %s server owner minor IDs do not match\n",
- __func__);
- return false;
- }
-
if (o1->major_id_sz != o2->major_id_sz)
goto out_major_mismatch;
if (memcmp(o1->major_id, o2->major_id, o1->major_id_sz) != 0)
@@ -657,7 +651,12 @@ int nfs41_walk_client_list(struct nfs_client *new,
if (!nfs4_match_clientids(pos, new))
continue;
- if (!nfs4_match_serverowners(pos, new))
+ /*
+ * Note that session trunking is just a special subcase of
+ * client id trunking. In either case, we want to fall back
+ * to using the existing nfs_client.
+ */
+ if (!nfs4_check_clientid_trunking(pos, new))
continue;
atomic_inc(&pos->cl_count);
@@ -167,7 +167,8 @@ static int udf_readdir(struct file *file, struct dir_context *ctx)
continue;
}
- flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
+ flen = udf_get_filename(dir->i_sb, nameptr, lfi, fname,
+ UDF_NAME_LEN);
if (!flen)
continue;
@@ -1482,6 +1482,24 @@ reread:
iinfo->i_checkpoint = le32_to_cpu(efe->checkpoint);
}
+ /* Sanity checks for files in ICB so that we don't get confused later */
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
+ /*
+ * For file in ICB data is stored in allocation descriptor
+ * so sizes should match
+ */
+ if (iinfo->i_lenAlloc != inode->i_size) {
+ make_bad_inode(inode);
+ return;
+ }
+ /* File in ICB has to fit in there... */
+ if (inode->i_size > inode->i_sb->s_blocksize -
+ udf_file_entry_alloc_offset(inode)) {
+ make_bad_inode(inode);
+ return;
+ }
+ }
+
switch (fe->icbTag.fileType) {
case ICBTAG_FILE_TYPE_DIRECTORY:
inode->i_op = &udf_dir_inode_operations;
@@ -233,7 +233,8 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
if (!lfi)
continue;
- flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
+ flen = udf_get_filename(dir->i_sb, nameptr, lfi, fname,
+ UDF_NAME_LEN);
if (flen && udf_match(flen, fname, child->len, child->name))
goto out_ok;
}
@@ -30,49 +30,73 @@
#include <linux/buffer_head.h>
#include "udf_i.h"
-static void udf_pc_to_char(struct super_block *sb, unsigned char *from,
- int fromlen, unsigned char *to)
+static int udf_pc_to_char(struct super_block *sb, unsigned char *from,
+ int fromlen, unsigned char *to, int tolen)
{
struct pathComponent *pc;
int elen = 0;
+ int comp_len;
unsigned char *p = to;
+ /* Reserve one byte for terminating \0 */
+ tolen--;
while (elen < fromlen) {
pc = (struct pathComponent *)(from + elen);
+ elen += sizeof(struct pathComponent);
switch (pc->componentType) {
case 1:
/*
* Symlink points to some place which should be agreed
* upon between originator and receiver of the media. Ignore.
*/
- if (pc->lengthComponentIdent > 0)
+ if (pc->lengthComponentIdent > 0) {
+ elen += pc->lengthComponentIdent;
break;
+ }
/* Fall through */
case 2:
+ if (tolen == 0)
+ return -ENAMETOOLONG;
p = to;
*p++ = '/';
+ tolen--;
break;
case 3:
+ if (tolen < 3)
+ return -ENAMETOOLONG;
memcpy(p, "../", 3);
p += 3;
+ tolen -= 3;
break;
case 4:
+ if (tolen < 2)
+ return -ENAMETOOLONG;
memcpy(p, "./", 2);
p += 2;
+ tolen -= 2;
/* that would be . - just ignore */
break;
case 5:
- p += udf_get_filename(sb, pc->componentIdent, p,
- pc->lengthComponentIdent);
+ elen += pc->lengthComponentIdent;
+ if (elen > fromlen)
+ return -EIO;
+ comp_len = udf_get_filename(sb, pc->componentIdent,
+ pc->lengthComponentIdent,
+ p, tolen);
+ p += comp_len;
+ tolen -= comp_len;
+ if (tolen == 0)
+ return -ENAMETOOLONG;
*p++ = '/';
+ tolen--;
break;
}
- elen += sizeof(struct pathComponent) + pc->lengthComponentIdent;
}
if (p > to + 1)
p[-1] = '\0';
else
p[0] = '\0';
+ return 0;
}
static int udf_symlink_filler(struct file *file, struct page *page)
@@ -80,11 +104,17 @@ static int udf_symlink_filler(struct file *file, struct page *page)
struct inode *inode = page->mapping->host;
struct buffer_head *bh = NULL;
unsigned char *symlink;
- int err = -EIO;
+ int err;
unsigned char *p = kmap(page);
struct udf_inode_info *iinfo;
uint32_t pos;
+ /* We don't support symlinks longer than one block */
+ if (inode->i_size > inode->i_sb->s_blocksize) {
+ err = -ENAMETOOLONG;
+ goto out_unmap;
+ }
+
iinfo = UDF_I(inode);
pos = udf_block_map(inode, 0);
@@ -94,14 +124,18 @@ static int udf_symlink_filler(struct file *file, struct page *page)
} else {
bh = sb_bread(inode->i_sb, pos);
- if (!bh)
- goto out;
+ if (!bh) {
+ err = -EIO;
+ goto out_unlock_inode;
+ }
symlink = bh->b_data;
}
- udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p);
+ err = udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p, PAGE_SIZE);
brelse(bh);
+ if (err)
+ goto out_unlock_inode;
up_read(&iinfo->i_data_sem);
SetPageUptodate(page);
@@ -109,9 +143,10 @@ static int udf_symlink_filler(struct file *file, struct page *page)
unlock_page(page);
return 0;
-out:
+out_unlock_inode:
up_read(&iinfo->i_data_sem);
SetPageError(page);
+out_unmap:
kunmap(page);
unlock_page(page);
return err;
@@ -201,7 +201,8 @@ udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc,
}
/* unicode.c */
-extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
+extern int udf_get_filename(struct super_block *, uint8_t *, int, uint8_t *,
+ int);
extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
int);
extern int udf_build_ustr(struct ustr *, dstring *, int);
@@ -28,7 +28,8 @@
#include "udf_sb.h"
-static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int);
+static int udf_translate_to_linux(uint8_t *, int, uint8_t *, int, uint8_t *,
+ int);
static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen)
{
@@ -333,8 +334,8 @@ try_again:
return u_len + 1;
}
-int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
- int flen)
+int udf_get_filename(struct super_block *sb, uint8_t *sname, int slen,
+ uint8_t *dname, int dlen)
{
struct ustr *filename, *unifilename;
int len = 0;
@@ -347,7 +348,7 @@ int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
if (!unifilename)
goto out1;
- if (udf_build_ustr_exact(unifilename, sname, flen))
+ if (udf_build_ustr_exact(unifilename, sname, slen))
goto out2;
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
@@ -366,7 +367,8 @@ int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
} else
goto out2;
- len = udf_translate_to_linux(dname, filename->u_name, filename->u_len,
+ len = udf_translate_to_linux(dname, dlen,
+ filename->u_name, filename->u_len,
unifilename->u_name, unifilename->u_len);
out2:
kfree(unifilename);
@@ -403,10 +405,12 @@ int udf_put_filename(struct super_block *sb, const uint8_t *sname,
#define EXT_MARK '.'
#define CRC_MARK '#'
#define EXT_SIZE 5
+/* Number of chars we need to store generated CRC to make filename unique */
+#define CRC_LEN 5
-static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
- int udfLen, uint8_t *fidName,
- int fidNameLen)
+static int udf_translate_to_linux(uint8_t *newName, int newLen,
+ uint8_t *udfName, int udfLen,
+ uint8_t *fidName, int fidNameLen)
{
int index, newIndex = 0, needsCRC = 0;
int extIndex = 0, newExtIndex = 0, hasExt = 0;
@@ -440,7 +444,7 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
newExtIndex = newIndex;
}
}
- if (newIndex < 256)
+ if (newIndex < newLen)
newName[newIndex++] = curr;
else
needsCRC = 1;
@@ -468,13 +472,13 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
}
ext[localExtIndex++] = curr;
}
- maxFilenameLen = 250 - localExtIndex;
+ maxFilenameLen = newLen - CRC_LEN - localExtIndex;
if (newIndex > maxFilenameLen)
newIndex = maxFilenameLen;
else
newIndex = newExtIndex;
- } else if (newIndex > 250)
- newIndex = 250;
+ } else if (newIndex > newLen - CRC_LEN)
+ newIndex = newLen - CRC_LEN;
newName[newIndex++] = CRC_MARK;
valueCRC = crc_itu_t(0, fidName, fidNameLen);
newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12];
@@ -21,9 +21,6 @@ struct acpi_gpio_info {
struct gpio_desc *acpi_get_gpiod_by_index(struct device *dev, int index,
struct acpi_gpio_info *info);
-void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
-void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
-
#else /* CONFIG_GPIO_ACPI */
static inline struct gpio_desc *
@@ -33,9 +30,6 @@ acpi_get_gpiod_by_index(struct device *dev, int index,
return ERR_PTR(-ENOSYS);
}
-static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
-static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
-
#endif /* CONFIG_GPIO_ACPI */
static inline int acpi_get_gpio_by_index(struct device *dev, int index,
@@ -46,6 +46,7 @@ struct audit_tree;
struct audit_krule {
int vers_ops;
+ u32 pflags;
u32 flags;
u32 listnr;
u32 action;
@@ -63,6 +64,9 @@ struct audit_krule {
u64 prio;
};
+/* Flag to indicate legacy AUDIT_LOGINUID unset usage */
+#define AUDIT_LOGINUID_LEGACY 0x1
+
struct audit_field {
u32 type;
u32 val;
@@ -26,6 +26,19 @@
#include <linux/uaccess.h>
/*
+ * Autoloaded crypto modules should only use a prefixed name to avoid allowing
+ * arbitrary modules to be loaded. Loading from userspace may still need the
+ * unprefixed names, so retains those aliases as well.
+ * This uses __MODULE_INFO directly instead of MODULE_ALIAS because pre-4.3
+ * gcc (e.g. avr32 toolchain) uses __LINE__ for uniqueness, and this macro
+ * expands twice on the same line. Instead, use a separate base name for the
+ * alias.
+ */
+#define MODULE_ALIAS_CRYPTO(name) \
+ __MODULE_INFO(alias, alias_userspace, name); \
+ __MODULE_INFO(alias, alias_crypto, "crypto-" name)
+
+/*
* Algorithm masks and types.
*/
#define CRYPTO_ALG_TYPE_MASK 0x0000000f
@@ -230,6 +230,7 @@ enum {
ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity
* led */
ATA_FLAG_NO_DIPM = (1 << 23), /* host not happy with DIPM */
+ ATA_FLAG_LOWTAG = (1 << 24), /* host wants lowest available tag */
/* bits 24:31 of ap->flags are reserved for LLD specific flags */
@@ -1813,7 +1813,7 @@ extern int expand_downwards(struct vm_area_struct *vma,
#if VM_GROWSUP
extern int expand_upwards(struct vm_area_struct *vma, unsigned long address);
#else
- #define expand_upwards(vma, address) do { } while (0)
+ #define expand_upwards(vma, address) (0)
#endif
/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */
@@ -37,6 +37,16 @@ struct anon_vma {
atomic_t refcount;
/*
+ * Count of child anon_vmas and VMAs which points to this anon_vma.
+ *
+ * This counter is used for making decision about reusing anon_vma
+ * instead of forking new one. See comments in function anon_vma_clone.
+ */
+ unsigned degree;
+
+ struct anon_vma *parent; /* Parent of this anon_vma */
+
+ /*
* NOTE: the LSB of the rb_root.rb_node is set by
* mm_take_all_locks() _after_ taking the above lock. So the
* rb_root must only be read/written after taking the above lock
@@ -115,6 +115,19 @@ static inline bool timespec_valid_strict(const struct timespec *ts)
return true;
}
+static inline bool timeval_valid(const struct timeval *tv)
+{
+ /* Dates before 1970 are bogus */
+ if (tv->tv_sec < 0)
+ return false;
+
+ /* Can't have more microseconds then a second */
+ if (tv->tv_usec < 0 || tv->tv_usec >= USEC_PER_SEC)
+ return false;
+
+ return true;
+}
+
extern bool persistent_clock_exist;
static inline bool has_persistent_clock(void)
@@ -178,7 +178,6 @@ int write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc, writepage_t writepage,
void *data);
int do_writepages(struct address_space *mapping, struct writeback_control *wbc);
-void set_page_dirty_balance(struct page *page, int page_mkwrite);
void writeback_set_ratelimit(void);
void tag_pages_for_writeback(struct address_space *mapping,
pgoff_t start, pgoff_t end);
@@ -427,6 +427,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
if ((f->type == AUDIT_LOGINUID) && (f->val == AUDIT_UID_UNSET)) {
f->type = AUDIT_LOGINUID_SET;
f->val = 0;
+ entry->rule.pflags |= AUDIT_LOGINUID_LEGACY;
}
err = audit_field_valid(entry, f);
@@ -602,6 +603,13 @@ static struct audit_rule_data *audit_krule_to_data(struct audit_krule *krule)
data->buflen += data->values[i] =
audit_pack_string(&bufp, krule->filterkey);
break;
+ case AUDIT_LOGINUID_SET:
+ if (krule->pflags & AUDIT_LOGINUID_LEGACY && !f->val) {
+ data->fields[i] = AUDIT_LOGINUID;
+ data->values[i] = AUDIT_UID_UNSET;
+ break;
+ }
+ /* fallthrough if set */
default:
data->values[i] = f->val;
}
@@ -618,6 +626,7 @@ static int audit_compare_rule(struct audit_krule *a, struct audit_krule *b)
int i;
if (a->flags != b->flags ||
+ a->pflags != b->pflags ||
a->listnr != b->listnr ||
a->action != b->action ||
a->field_count != b->field_count)
@@ -736,6 +745,7 @@ struct audit_entry *audit_dupe_rule(struct audit_krule *old)
new = &entry->rule;
new->vers_ops = old->vers_ops;
new->flags = old->flags;
+ new->pflags = old->pflags;
new->listnr = old->listnr;
new->action = old->action;
for (i = 0; i < AUDIT_BITMASK_SIZE; i++)
@@ -195,6 +195,10 @@ SYSCALL_DEFINE2(settimeofday, struct timeval __user *, tv,
if (tv) {
if (copy_from_user(&user_tv, tv, sizeof(*tv)))
return -EFAULT;
+
+ if (!timeval_valid(&user_tv))
+ return -EINVAL;
+
new_ts.tv_sec = user_tv.tv_sec;
new_ts.tv_nsec = user_tv.tv_usec * NSEC_PER_USEC;
}
@@ -631,6 +631,17 @@ int ntp_validate_timex(struct timex *txc)
if ((txc->modes & ADJ_SETOFFSET) && (!capable(CAP_SYS_TIME)))
return -EPERM;
+ /*
+ * Check for potential multiplication overflows that can
+ * only happen on 64-bit systems:
+ */
+ if ((txc->modes & ADJ_FREQUENCY) && (BITS_PER_LONG == 64)) {
+ if (LLONG_MIN / PPM_SCALE > txc->freq)
+ return -EINVAL;
+ if (LLONG_MAX / PPM_SCALE < txc->freq)
+ return -EINVAL;
+ }
+
return 0;
}
@@ -2744,17 +2744,24 @@ reuse:
if (!dirty_page)
return ret;
- /*
- * Yes, Virginia, this is actually required to prevent a race
- * with clear_page_dirty_for_io() from clearing the page dirty
- * bit after it clear all dirty ptes, but before a racing
- * do_wp_page installs a dirty pte.
- *
- * __do_fault is protected similarly.
- */
if (!page_mkwrite) {
- wait_on_page_locked(dirty_page);
- set_page_dirty_balance(dirty_page, page_mkwrite);
+ struct address_space *mapping;
+ int dirtied;
+
+ lock_page(dirty_page);
+ dirtied = set_page_dirty(dirty_page);
+ VM_BUG_ON(PageAnon(dirty_page));
+ mapping = dirty_page->mapping;
+ unlock_page(dirty_page);
+
+ if (dirtied && mapping) {
+ /*
+ * Some device drivers do not set page.mapping
+ * but still dirty their pages
+ */
+ balance_dirty_pages_ratelimited(mapping);
+ }
+
/* file_update_time outside page_lock */
if (vma->vm_file)
file_update_time(vma->vm_file);
@@ -3201,7 +3208,7 @@ static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned lo
if (prev && prev->vm_end == address)
return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;
- expand_downwards(vma, address - PAGE_SIZE);
+ return expand_downwards(vma, address - PAGE_SIZE);
}
if ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) {
struct vm_area_struct *next = vma->vm_next;
@@ -3210,7 +3217,7 @@ static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned lo
if (next && next->vm_start == address + PAGE_SIZE)
return next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM;
- expand_upwards(vma, address + PAGE_SIZE);
+ return expand_upwards(vma, address + PAGE_SIZE);
}
return 0;
}
@@ -744,10 +744,12 @@ again: remove_next = 1 + (end > next->vm_end);
if (exporter && exporter->anon_vma && !importer->anon_vma) {
int error;
+ importer->anon_vma = exporter->anon_vma;
error = anon_vma_clone(importer, exporter);
- if (error)
+ if (error) {
+ importer->anon_vma = NULL;
return error;
- importer->anon_vma = exporter->anon_vma;
+ }
}
}
@@ -2046,14 +2048,17 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
{
struct mm_struct *mm = vma->vm_mm;
struct rlimit *rlim = current->signal->rlim;
- unsigned long new_start;
+ unsigned long new_start, actual_size;
/* address space limit tests */
if (!may_expand_vm(mm, grow))
return -ENOMEM;
/* Stack limit test */
- if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
+ actual_size = size;
+ if (size && (vma->vm_flags & (VM_GROWSUP | VM_GROWSDOWN)))
+ actual_size -= PAGE_SIZE;
+ if (actual_size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
return -ENOMEM;
/* mlock limit tests */
@@ -1562,16 +1562,6 @@ pause:
bdi_start_background_writeback(bdi);
}
-void set_page_dirty_balance(struct page *page, int page_mkwrite)
-{
- if (set_page_dirty(page) || page_mkwrite) {
- struct address_space *mapping = page_mapping(page);
-
- if (mapping)
- balance_dirty_pages_ratelimited(mapping);
- }
-}
-
static DEFINE_PER_CPU(int, bdp_ratelimits);
/*
@@ -2161,32 +2151,25 @@ EXPORT_SYMBOL(account_page_writeback);
* page dirty in that case, but not all the buffers. This is a "bottom-up"
* dirtying, whereas __set_page_dirty_buffers() is a "top-down" dirtying.
*
- * Most callers have locked the page, which pins the address_space in memory.
- * But zap_pte_range() does not lock the page, however in that case the
- * mapping is pinned by the vma's ->vm_file reference.
- *
- * We take care to handle the case where the page was truncated from the
- * mapping by re-checking page_mapping() inside tree_lock.
+ * The caller must ensure this doesn't race with truncation. Most will simply
+ * hold the page lock, but e.g. zap_pte_range() calls with the page mapped and
+ * the pte lock held, which also locks out truncation.
*/
int __set_page_dirty_nobuffers(struct page *page)
{
if (!TestSetPageDirty(page)) {
struct address_space *mapping = page_mapping(page);
- struct address_space *mapping2;
unsigned long flags;
if (!mapping)
return 1;
spin_lock_irqsave(&mapping->tree_lock, flags);
- mapping2 = page_mapping(page);
- if (mapping2) { /* Race with truncate? */
- BUG_ON(mapping2 != mapping);
- WARN_ON_ONCE(!PagePrivate(page) && !PageUptodate(page));
- account_page_dirtied(page, mapping);
- radix_tree_tag_set(&mapping->page_tree,
- page_index(page), PAGECACHE_TAG_DIRTY);
- }
+ BUG_ON(page_mapping(page) != mapping);
+ WARN_ON_ONCE(!PagePrivate(page) && !PageUptodate(page));
+ account_page_dirtied(page, mapping);
+ radix_tree_tag_set(&mapping->page_tree, page_index(page),
+ PAGECACHE_TAG_DIRTY);
spin_unlock_irqrestore(&mapping->tree_lock, flags);
if (mapping->host) {
/* !PageAnon && !swapper_space */
@@ -2343,12 +2326,10 @@ int clear_page_dirty_for_io(struct page *page)
/*
* We carefully synchronise fault handlers against
* installing a dirty pte and marking the page dirty
- * at this point. We do this by having them hold the
- * page lock at some point after installing their
- * pte, but before marking the page dirty.
- * Pages are always locked coming in here, so we get
- * the desired exclusion. See mm/memory.c:do_wp_page()
- * for more comments.
+ * at this point. We do this by having them hold the
+ * page lock while dirtying the page, and pages are
+ * always locked coming in here, so we get the desired
+ * exclusion.
*/
if (TestClearPageDirty(page)) {
dec_zone_page_state(page, NR_FILE_DIRTY);
@@ -72,6 +72,8 @@ static inline struct anon_vma *anon_vma_alloc(void)
anon_vma = kmem_cache_alloc(anon_vma_cachep, GFP_KERNEL);
if (anon_vma) {
atomic_set(&anon_vma->refcount, 1);
+ anon_vma->degree = 1; /* Reference for first vma */
+ anon_vma->parent = anon_vma;
/*
* Initialise the anon_vma root to point to itself. If called
* from fork, the root will be reset to the parents anon_vma.
@@ -188,6 +190,8 @@ int anon_vma_prepare(struct vm_area_struct *vma)
if (likely(!vma->anon_vma)) {
vma->anon_vma = anon_vma;
anon_vma_chain_link(vma, avc, anon_vma);
+ /* vma reference or self-parent link for new root */
+ anon_vma->degree++;
allocated = NULL;
avc = NULL;
}
@@ -236,6 +240,14 @@ static inline void unlock_anon_vma_root(struct anon_vma *root)
/*
* Attach the anon_vmas from src to dst.
* Returns 0 on success, -ENOMEM on failure.
+ *
+ * If dst->anon_vma is NULL this function tries to find and reuse existing
+ * anon_vma which has no vmas and only one child anon_vma. This prevents
+ * degradation of anon_vma hierarchy to endless linear chain in case of
+ * constantly forking task. On the other hand, an anon_vma with more than one
+ * child isn't reused even if there was no alive vma, thus rmap walker has a
+ * good chance of avoiding scanning the whole hierarchy when it searches where
+ * page is mapped.
*/
int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
{
@@ -256,7 +268,21 @@ int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
anon_vma = pavc->anon_vma;
root = lock_anon_vma_root(root, anon_vma);
anon_vma_chain_link(dst, avc, anon_vma);
+
+ /*
+ * Reuse existing anon_vma if its degree lower than two,
+ * that means it has no vma and only one anon_vma child.
+ *
+ * Do not chose parent anon_vma, otherwise first child
+ * will always reuse it. Root anon_vma is never reused:
+ * it has self-parent reference and at least one child.
+ */
+ if (!dst->anon_vma && anon_vma != src->anon_vma &&
+ anon_vma->degree < 2)
+ dst->anon_vma = anon_vma;
}
+ if (dst->anon_vma)
+ dst->anon_vma->degree++;
unlock_anon_vma_root(root);
return 0;
@@ -280,6 +306,9 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
if (!pvma->anon_vma)
return 0;
+ /* Drop inherited anon_vma, we'll reuse existing or allocate new. */
+ vma->anon_vma = NULL;
+
/*
* First, attach the new VMA to the parent VMA's anon_vmas,
* so rmap can find non-COWed pages in child processes.
@@ -288,6 +317,10 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
if (error)
return error;
+ /* An existing anon_vma has been reused, all done then. */
+ if (vma->anon_vma)
+ return 0;
+
/* Then add our own anon_vma. */
anon_vma = anon_vma_alloc();
if (!anon_vma)
@@ -301,6 +334,7 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
* lock any of the anon_vmas in this anon_vma tree.
*/
anon_vma->root = pvma->anon_vma->root;
+ anon_vma->parent = pvma->anon_vma;
/*
* With refcounts, an anon_vma can stay around longer than the
* process it belongs to. The root anon_vma needs to be pinned until
@@ -311,6 +345,7 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
vma->anon_vma = anon_vma;
anon_vma_lock_write(anon_vma);
anon_vma_chain_link(vma, avc, anon_vma);
+ anon_vma->parent->degree++;
anon_vma_unlock_write(anon_vma);
return 0;
@@ -341,12 +376,16 @@ void unlink_anon_vmas(struct vm_area_struct *vma)
* Leave empty anon_vmas on the list - we'll need
* to free them outside the lock.
*/
- if (RB_EMPTY_ROOT(&anon_vma->rb_root))
+ if (RB_EMPTY_ROOT(&anon_vma->rb_root)) {
+ anon_vma->parent->degree--;
continue;
+ }
list_del(&avc->same_vma);
anon_vma_chain_free(avc);
}
+ if (vma->anon_vma)
+ vma->anon_vma->degree--;
unlock_anon_vma_root(root);
/*
@@ -357,6 +396,7 @@ void unlink_anon_vmas(struct vm_area_struct *vma)
list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {
struct anon_vma *anon_vma = avc->anon_vma;
+ BUG_ON(anon_vma->degree);
put_anon_vma(anon_vma);
list_del(&avc->same_vma);
@@ -2829,18 +2829,20 @@ static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order, long remaining,
return false;
/*
- * There is a potential race between when kswapd checks its watermarks
- * and a process gets throttled. There is also a potential race if
- * processes get throttled, kswapd wakes, a large process exits therby
- * balancing the zones that causes kswapd to miss a wakeup. If kswapd
- * is going to sleep, no process should be sleeping on pfmemalloc_wait
- * so wake them now if necessary. If necessary, processes will wake
- * kswapd and get throttled again
+ * The throttled processes are normally woken up in balance_pgdat() as
+ * soon as pfmemalloc_watermark_ok() is true. But there is a potential
+ * race between when kswapd checks the watermarks and a process gets
+ * throttled. There is also a potential race if processes get
+ * throttled, kswapd wakes, a large process exits thereby balancing the
+ * zones, which causes kswapd to exit balance_pgdat() before reaching
+ * the wake up checks. If kswapd is going to sleep, no process should
+ * be sleeping on pfmemalloc_wait, so wake them now if necessary. If
+ * the wake up is premature, processes will wake kswapd and get
+ * throttled again. The difference from wake ups in balance_pgdat() is
+ * that here we are under prepare_to_wait().
*/
- if (waitqueue_active(&pgdat->pfmemalloc_wait)) {
- wake_up(&pgdat->pfmemalloc_wait);
- return false;
- }
+ if (waitqueue_active(&pgdat->pfmemalloc_wait))
+ wake_up_all(&pgdat->pfmemalloc_wait);
return pgdat_balanced(pgdat, order, classzone_idx);
}
@@ -262,7 +262,6 @@ if ($arch eq "x86_64") {
# force flags for this arch
$ld .= " -m shlelf_linux";
$objcopy .= " -O elf32-sh-linux";
- $cc .= " -m32";
} elsif ($arch eq "powerpc") {
$local_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\.?\\S+)";
@@ -3342,6 +3342,9 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
{ .id = 0x10de0051, .name = "GPU 51 HDMI/DP", .patch = patch_nvhdmi },
{ .id = 0x10de0060, .name = "GPU 60 HDMI/DP", .patch = patch_nvhdmi },
{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
+{ .id = 0x10de0070, .name = "GPU 70 HDMI/DP", .patch = patch_nvhdmi },
+{ .id = 0x10de0071, .name = "GPU 71 HDMI/DP", .patch = patch_nvhdmi },
+{ .id = 0x10de0072, .name = "GPU 72 HDMI/DP", .patch = patch_nvhdmi },
{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
{ .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi },
{ .id = 0x11069f81, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi },
@@ -3396,6 +3399,9 @@ MODULE_ALIAS("snd-hda-codec-id:10de0044");
MODULE_ALIAS("snd-hda-codec-id:10de0051");
MODULE_ALIAS("snd-hda-codec-id:10de0060");
MODULE_ALIAS("snd-hda-codec-id:10de0067");
+MODULE_ALIAS("snd-hda-codec-id:10de0070");
+MODULE_ALIAS("snd-hda-codec-id:10de0071");
+MODULE_ALIAS("snd-hda-codec-id:10de0072");
MODULE_ALIAS("snd-hda-codec-id:10de8001");
MODULE_ALIAS("snd-hda-codec-id:11069f80");
MODULE_ALIAS("snd-hda-codec-id:11069f81");
@@ -575,9 +575,9 @@ static void stac_store_hints(struct hda_codec *codec)
spec->gpio_mask;
}
if (get_int_hint(codec, "gpio_dir", &spec->gpio_dir))
- spec->gpio_mask &= spec->gpio_mask;
- if (get_int_hint(codec, "gpio_data", &spec->gpio_data))
spec->gpio_dir &= spec->gpio_mask;
+ if (get_int_hint(codec, "gpio_data", &spec->gpio_data))
+ spec->gpio_data &= spec->gpio_mask;
if (get_int_hint(codec, "eapd_mask", &spec->eapd_mask))
spec->eapd_mask &= spec->gpio_mask;
if (get_int_hint(codec, "gpio_mute", &spec->gpio_mute))
@@ -263,6 +263,19 @@ static void dw_i2s_shutdown(struct snd_pcm_substream *substream,
snd_soc_dai_set_dma_data(dai, substream, NULL);
}
+static int dw_i2s_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ i2s_write_reg(dev->i2s_base, TXFFR, 1);
+ else
+ i2s_write_reg(dev->i2s_base, RXFFR, 1);
+
+ return 0;
+}
+
static int dw_i2s_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
@@ -294,6 +307,7 @@ static struct snd_soc_dai_ops dw_i2s_dai_ops = {
.startup = dw_i2s_startup,
.shutdown = dw_i2s_shutdown,
.hw_params = dw_i2s_hw_params,
+ .prepare = dw_i2s_prepare,
.trigger = dw_i2s_trigger,
};
@@ -886,6 +886,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */
case USB_ID(0x046d, 0x0808):
case USB_ID(0x046d, 0x0809):
+ case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */
case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */
case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */