x86: signal: make NR_restart_syscall

make NR_restart_syscall macro for cosmetic unification of handle_signal().

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 76d05d7..bd9b650 100644 (file)
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -572,6 +572,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
        return 0;
 }
 
+#define NR_restart_syscall     __NR_restart_syscall
 /*
  * Note that 'init' is a special process: it doesn't get signals it doesn't
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
@@ -635,7 +636,7 @@ static void do_signal(struct pt_regs *regs)
                        break;
 
                case -ERESTART_RESTARTBLOCK:
-                       regs->ax = __NR_restart_syscall;
+                       regs->ax = NR_restart_syscall;
                        regs->ip -= 2;
                        break;
                }

diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 823a55b..19e2b91 100644 (file)
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -362,6 +362,8 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
        return ret;
 }
 
+#define NR_restart_syscall     \
+       test_thread_flag(TIF_IA32) ? __NR_ia32_restart_syscall : __NR_restart_syscall
 /*
  * Note that 'init' is a special process: it doesn't get signals it doesn't
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
@@ -423,9 +425,7 @@ static void do_signal(struct pt_regs *regs)
                        regs->ip -= 2;
                        break;
                case -ERESTART_RESTARTBLOCK:
-                       regs->ax = test_thread_flag(TIF_IA32) ?
-                                       __NR_ia32_restart_syscall :
-                                       __NR_restart_syscall;
+                       regs->ax = NR_restart_syscall;
                        regs->ip -= 2;
                        break;
                }