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author | Brian Gerst <brgerst@gmail.com> | 2009-12-09 19:01:54 -0500 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2009-12-09 16:28:59 -0800 |
commit | 052acad48a566a6dbcccb95e5d22e5e1b7cac8dd (patch) | |
tree | 3a192104ec0f484034162a769a647525bca9c94e /arch/x86/kernel | |
parent | 11cf88bd0b8165b65aaabaee0977e9a3ad474ab7 (diff) | |
download | op-kernel-dev-052acad48a566a6dbcccb95e5d22e5e1b7cac8dd.zip op-kernel-dev-052acad48a566a6dbcccb95e5d22e5e1b7cac8dd.tar.gz |
x86: Merge sys_sigaltstack
Change 32-bit sys_sigaltstack to PTREGSCALL2, and merge with 64-bit.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
LKML-Reference: <1260403316-5679-5-git-send-email-brgerst@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/entry_32.S | 2 | ||||
-rw-r--r-- | arch/x86/kernel/signal.c | 12 |
2 files changed, 2 insertions, 12 deletions
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index a96a0d8..621ef45 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 74fe6d8..4fd173c 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. |