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x86: signal: make NR_restart_syscall

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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>
This commit is contained in:
Hiroshi Shimamoto 2008-09-05 16:27:39 -07:00 committed by Ingo Molnar
parent 72fa50f4ef
commit 8fcd8e20f3
2 changed files with 5 additions and 4 deletions
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3
arch/x86/kernel/signal_32.c
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@ -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;
}

6
arch/x86/kernel/signal_64.c
View File

@ -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;
}