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[5.4,202/320] um: registers: Rename function names to avoid conflicts and build problems

Message ID 20220124184000.509506732@linuxfoundation.org
State Not Applicable
Headers show
Series None | expand

Commit Message

Greg KH Jan. 24, 2022, 6:43 p.m. UTC 
From: Randy Dunlap <rdunlap@infradead.org>

[ Upstream commit 077b7320942b64b0da182aefd83c374462a65535 ]

The function names init_registers() and restore_registers() are used
in several net/ethernet/ and gpu/drm/ drivers for other purposes (not
calls to UML functions), so rename them.

This fixes multiple build errors.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: linux-um@lists.infradead.org
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/um/include/shared/registers.h | 4 ++--
 arch/um/os-Linux/registers.c       | 4 ++--
 arch/um/os-Linux/start_up.c        | 2 +-
 arch/x86/um/syscalls_64.c          | 3 ++-
 4 files changed, 7 insertions(+), 6 deletions(-)
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Patch

diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h
index 0c50fa6e8a55b..fbb709a222839 100644
--- a/arch/um/include/shared/registers.h
+++ b/arch/um/include/shared/registers.h
@@ -16,8 +16,8 @@  extern int restore_fp_registers(int pid, unsigned long *fp_regs);
 extern int save_fpx_registers(int pid, unsigned long *fp_regs);
 extern int restore_fpx_registers(int pid, unsigned long *fp_regs);
 extern int save_registers(int pid, struct uml_pt_regs *regs);
-extern int restore_registers(int pid, struct uml_pt_regs *regs);
-extern int init_registers(int pid);
+extern int restore_pid_registers(int pid, struct uml_pt_regs *regs);
+extern int init_pid_registers(int pid);
 extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs);
 extern unsigned long get_thread_reg(int reg, jmp_buf *buf);
 extern int get_fp_registers(int pid, unsigned long *regs);
diff --git a/arch/um/os-Linux/registers.c b/arch/um/os-Linux/registers.c
index 2d9270508e156..b123955be7acc 100644
--- a/arch/um/os-Linux/registers.c
+++ b/arch/um/os-Linux/registers.c
@@ -21,7 +21,7 @@  int save_registers(int pid, struct uml_pt_regs *regs)
 	return 0;
 }
 
-int restore_registers(int pid, struct uml_pt_regs *regs)
+int restore_pid_registers(int pid, struct uml_pt_regs *regs)
 {
 	int err;
 
@@ -36,7 +36,7 @@  int restore_registers(int pid, struct uml_pt_regs *regs)
 static unsigned long exec_regs[MAX_REG_NR];
 static unsigned long exec_fp_regs[FP_SIZE];
 
-int init_registers(int pid)
+int init_pid_registers(int pid)
 {
 	int err;
 
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index f79dc338279e6..b28373a2b8d2d 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -336,7 +336,7 @@  void __init os_early_checks(void)
 	check_tmpexec();
 
 	pid = start_ptraced_child();
-	if (init_registers(pid))
+	if (init_pid_registers(pid))
 		fatal("Failed to initialize default registers");
 	stop_ptraced_child(pid, 1, 1);
 }
diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c
index 58f51667e2e4b..8249685b40960 100644
--- a/arch/x86/um/syscalls_64.c
+++ b/arch/x86/um/syscalls_64.c
@@ -11,6 +11,7 @@ 
 #include <linux/uaccess.h>
 #include <asm/prctl.h> /* XXX This should get the constants from libc */
 #include <os.h>
+#include <registers.h>
 
 long arch_prctl(struct task_struct *task, int option,
 		unsigned long __user *arg2)
@@ -35,7 +36,7 @@  long arch_prctl(struct task_struct *task, int option,
 	switch (option) {
 	case ARCH_SET_FS:
 	case ARCH_SET_GS:
-		ret = restore_registers(pid, &current->thread.regs.regs);
+		ret = restore_pid_registers(pid, &current->thread.regs.regs);
 		if (ret)
 			return ret;
 		break;