diff options
| -rw-r--r-- | arch/x86/include/asm/syscalls.h | 8 | ||||
| -rw-r--r-- | arch/x86/kernel/entry_32.S | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/signal.c | 12 |
3 files changed, 5 insertions, 17 deletions
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 48c48e508b9f..94e0b61fb040 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -31,6 +31,9 @@ asmlinkage int sys_modify_ldt(int, void __user *, unsigned long); /* kernel/signal.c */ long sys_rt_sigreturn(struct pt_regs *); +long sys_sigaltstack(const stack_t __user *, stack_t __user *, + struct pt_regs *); + /* kernel/tls.c */ asmlinkage int sys_set_thread_area(struct user_desc __user *); @@ -46,7 +49,6 @@ int sys_clone(struct pt_regs *); asmlinkage int sys_sigsuspend(int, int, old_sigset_t); asmlinkage int sys_sigaction(int, const struct old_sigaction __user *, struct old_sigaction __user *); -int sys_sigaltstack(struct pt_regs *); unsigned long sys_sigreturn(struct pt_regs *); /* kernel/sys_i386_32.c */ @@ -76,10 +78,6 @@ asmlinkage long sys_clone(unsigned long, unsigned long, struct pt_regs *); long sys_arch_prctl(int, unsigned long); -/* kernel/signal.c */ -asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *, - struct pt_regs *); - /* kernel/sys_x86_64.c */ struct new_utsname; diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index a96a0d8a0fdb..621ef4599416 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -763,7 +763,7 @@ PTREGSCALL0(fork) PTREGSCALL0(clone) PTREGSCALL0(vfork) PTREGSCALL3(execve) -PTREGSCALL0(sigaltstack) +PTREGSCALL2(sigaltstack) PTREGSCALL0(sigreturn) PTREGSCALL0(rt_sigreturn) PTREGSCALL0(vm86) diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 74fe6d86dc5d..4fd173cd8e57 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -545,22 +545,12 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, } #endif /* CONFIG_X86_32 */ -#ifdef CONFIG_X86_32 -int sys_sigaltstack(struct pt_regs *regs) -{ - const stack_t __user *uss = (const stack_t __user *)regs->bx; - stack_t __user *uoss = (stack_t __user *)regs->cx; - - return do_sigaltstack(uss, uoss, regs->sp); -} -#else /* !CONFIG_X86_32 */ -asmlinkage long +long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, struct pt_regs *regs) { return do_sigaltstack(uss, uoss, regs->sp); } -#endif /* CONFIG_X86_32 */ /* * Do a signal return; undo the signal stack. |
