From 6a218fa1de203250245064236bc3cac1ad7606a9 Mon Sep 17 00:00:00 2001 From: Wu Zhangjin 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 Signed-off-by: Paul Gortmaker --- arch/mips/kernel/signal.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 2099d5a..24157c2 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -592,6 +592,14 @@ 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 -- 1.7.0.4