x86: signal: introduce helper macro is_ia32
Introduce new macro is_ia32 for unification of setup_rt_frame().
No effect in binary, compiler will optimize.
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 b1bc90f..cf62f70 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -491,6 +491,8 @@
return sig;
}
+#define is_ia32 1
+
static int
setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs)
@@ -499,10 +501,13 @@
int ret;
/* Set up the stack frame */
- if (ka->sa.sa_flags & SA_SIGINFO)
- ret = __setup_rt_frame(usig, ka, info, set, regs);
- else
- ret = __setup_frame(usig, ka, set, regs);
+ if (is_ia32) {
+ if (ka->sa.sa_flags & SA_SIGINFO)
+ ret = __setup_rt_frame(usig, ka, info, set, regs);
+ else
+ ret = __setup_frame(usig, ka, set, regs);
+ } else
+ ret = __setup_rt_frame(sig, ka, info, set, regs);
if (ret) {
force_sigsegv(sig, current);