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-rw-r--r--arch/tile/include/asm/compat.h9
-rw-r--r--arch/tile/include/asm/syscalls.h19
2 files changed, 16 insertions, 12 deletions
diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h
index 3bcf1b94b563..ca61fb4296b3 100644
--- a/arch/tile/include/asm/compat.h
+++ b/arch/tile/include/asm/compat.h
@@ -280,10 +280,9 @@ long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act,
size_t sigsetsize);
long compat_sys_rt_sigqueueinfo(int pid, int sig,
struct compat_siginfo __user *uinfo);
-long compat_sys_rt_sigreturn(struct pt_regs *);
+long compat_sys_rt_sigreturn(void);
long compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,
- struct compat_sigaltstack __user *uoss_ptr,
- struct pt_regs *);
+ struct compat_sigaltstack __user *uoss_ptr);
long compat_sys_truncate64(char __user *filename, u32 dummy, u32 low, u32 high);
long compat_sys_ftruncate64(unsigned int fd, u32 dummy, u32 low, u32 high);
long compat_sys_pread64(unsigned int fd, char __user *ubuf, size_t count,
@@ -300,9 +299,7 @@ long compat_sys_fallocate(int fd, int mode,
long compat_sys_sched_rr_get_interval(compat_pid_t pid,
struct compat_timespec __user *interval);
-/* These are the intvec_64.S trampolines. */
-long _compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,
- struct compat_sigaltstack __user *uoss_ptr);
+/* Assembly trampoline to avoid clobbering r0. */
long _compat_sys_rt_sigreturn(void);
#endif /* _ASM_TILE_COMPAT_H */
diff --git a/arch/tile/include/asm/syscalls.h b/arch/tile/include/asm/syscalls.h
index 0d52992f8e05..369696d63e7b 100644
--- a/arch/tile/include/asm/syscalls.h
+++ b/arch/tile/include/asm/syscalls.h
@@ -51,8 +51,7 @@ long sys_cacheflush(unsigned long addr, unsigned long len,
#ifndef __tilegx__
/* mm/fault.c */
-long sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *);
-long _sys_cmpxchg_badaddr(unsigned long address);
+long sys_cmpxchg_badaddr(unsigned long address);
#endif
#ifdef CONFIG_COMPAT
@@ -63,15 +62,23 @@ long sys_truncate64(const char __user *path, loff_t length);
long sys_ftruncate64(unsigned int fd, loff_t length);
#endif
-/* These are the intvec*.S trampolines. */
-long _sys_sigaltstack(const stack_t __user *, stack_t __user *);
-long _sys_rt_sigreturn(void);
-long _sys_clone(unsigned long clone_flags, unsigned long newsp,
+/* Provide versions of standard syscalls that use current_pt_regs(). */
+long sys_clone(unsigned long clone_flags, unsigned long newsp,
void __user *parent_tid, void __user *child_tid);
long sys_execve(const char __user *filename,
const char __user *const __user *argv,
const char __user *const __user *envp);
+long sys_rt_sigreturn(void);
+long sys_sigaltstack(const stack_t __user *, stack_t __user *);
+#define sys_clone sys_clone
#define sys_execve sys_execve
+#define sys_rt_sigreturn sys_rt_sigreturn
+#define sys_sigaltstack sys_sigaltstack
+
+/* These are the intvec*.S trampolines. */
+long _sys_rt_sigreturn(void);
+long _sys_clone(unsigned long clone_flags, unsigned long newsp,
+ void __user *parent_tid, void __user *child_tid);
#include <asm-generic/syscalls.h>