x86: signal: cosmetic unification of sys_sigaltstack()
Impact: cleanup
Add #ifdef directive for unification.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index 0ff8d87..d990988 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -125,6 +125,7 @@
return ret;
}
+#ifdef CONFIG_X86_32
asmlinkage int sys_sigaltstack(unsigned long bx)
{
/*
@@ -137,6 +138,14 @@
return do_sigaltstack(uss, uoss, regs->sp);
}
+#else /* !CONFIG_X86_32 */
+asmlinkage 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 */
#define COPY(x) { \
err |= __get_user(regs->x, &sc->x); \