diff mbox series

[4/5] x86: don't use asm-generic/ptrace.h

Message ID 20190624054728.30966-5-hch@lst.de (mailing list archive)
State Not Applicable
Headers show
Series [1/5] arm64: don't use asm-generic/ptrace.h | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch next (e610a466d16a086e321f0bd421e2fc75cff28605)
snowpatch_ozlabs/checkpatch warning total: 0 errors, 0 warnings, 2 checks, 43 lines checked

Commit Message

Christoph Hellwig June 24, 2019, 5:47 a.m. UTC 
Doing the indirection through macros for the regs accessors just
makes them harder to read, so implement the helpers directly.

Note that only the helpers actually used are implemented now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
---
 arch/x86/include/asm/ptrace.h | 30 +++++++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 5 deletions(-)

Comments

Thomas Gleixner June 24, 2019, 7:22 a.m. UTC | #1 
On Mon, 24 Jun 2019, Christoph Hellwig wrote:

> Doing the indirection through macros for the regs accessors just
> makes them harder to read, so implement the helpers directly.
> 
> Note that only the helpers actually used are implemented now.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Acked-by: Ingo Molnar <mingo@kernel.org>
> Acked-by: Oleg Nesterov <oleg@redhat.com>

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
diff mbox series

Patch

diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 8a7fc0cca2d1..e22816e865ca 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -98,7 +98,6 @@  struct cpuinfo_x86;
 struct task_struct;
 
 extern unsigned long profile_pc(struct pt_regs *regs);
-#define profile_pc profile_pc
 
 extern unsigned long
 convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs);
@@ -175,11 +174,32 @@  static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
 }
 #endif
 
-#define GET_IP(regs) ((regs)->ip)
-#define GET_FP(regs) ((regs)->bp)
-#define GET_USP(regs) ((regs)->sp)
+static inline unsigned long instruction_pointer(struct pt_regs *regs)
+{
+	return regs->ip;
+}
+
+static inline void instruction_pointer_set(struct pt_regs *regs,
+		unsigned long val)
+{
+	regs->ip = val;
+}
+
+static inline unsigned long frame_pointer(struct pt_regs *regs)
+{
+	return regs->bp;
+}
 
-#include <asm-generic/ptrace.h>
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+	return regs->sp;
+}
+
+static inline void user_stack_pointer_set(struct pt_regs *regs,
+		unsigned long val)
+{
+	regs->sp = val;
+}
 
 /* Query offset/name of register from its name/offset */
 extern int regs_query_register_offset(const char *name);