[PATCH] um: registers: rename function names to avoid conflicts and build problems
Randy Dunlap
rdunlap at infradead.org
Sun Sep 12 23:12:52 PDT 2021
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 at infradead.org>
Cc: Jeff Dike <jdike at addtoit.com>
Cc: Richard Weinberger <richard at nod.at>
Cc: Anton Ivanov <anton.ivanov at cambridgegreys.com>
Cc: linux-um at lists.infradead.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(-)
--- lnx-515-rc1.orig/arch/um/include/shared/registers.h
+++ lnx-515-rc1/arch/um/include/shared/registers.h
@@ -16,8 +16,8 @@ extern int restore_fp_registers(int pid,
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);
--- lnx-515-rc1.orig/arch/um/os-Linux/registers.c
+++ lnx-515-rc1/arch/um/os-Linux/registers.c
@@ -21,7 +21,7 @@ int save_registers(int pid, struct uml_p
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 um
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;
--- lnx-515-rc1.orig/arch/um/os-Linux/start_up.c
+++ lnx-515-rc1/arch/um/os-Linux/start_up.c
@@ -368,7 +368,7 @@ 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);
}
--- lnx-515-rc1.orig/arch/x86/um/syscalls_64.c
+++ lnx-515-rc1/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
switch (option) {
case ARCH_SET_FS:
case ARCH_SET_GS:
- ret = restore_registers(pid, ¤t->thread.regs.regs);
+ ret = restore_pid_registers(pid, ¤t->thread.regs.regs);
if (ret)
return ret;
break;
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