| From aa60f24bac7c129cfc97e25319669d1a5c95400c Mon Sep 17 00:00:00 2001 |
| From: Wu Zhangjin <wuzhangjin@gmail.com> |
| Date: Wed, 10 Mar 2010 01:53:58 +0800 |
| Subject: [PATCH] RT: MIPS: check resched in do_signal() |
| |
| commit aa60f24bac7c129cfc97e25319669d1a5c95400c in tip. |
| |
| Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> |
| |
| diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c |
| index d0c68b5..2ca24d7 100644 |
| --- a/arch/mips/kernel/signal.c |
| +++ b/arch/mips/kernel/signal.c |
| @@ -640,6 +640,14 @@ static void do_signal(struct pt_regs *regs) |
| siginfo_t info; |
| int signr; |
| |
| +#ifdef CONFIG_PREEMPT_RT |
| + /* |
| + * Fully-preemptible kernel does not need interrupts disabled |
| + */ |
| + local_irq_enable(); |
| + preempt_check_resched(); |
| +#endif |
| + |
| /* |
| * We want the common case to go fast, which is why we may in certain |
| * cases get here from kernel mode. Just return without doing anything |
| -- |
| 1.7.1.1 |
| |
