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Date: Thu, 12 Feb 2009 00:01:41 +0900 From: Katsuya Matsubara <matsu@...l.co.jp> To: linux-rt-users <linux-rt-users@...r.kernel.org> Cc: Steven Rostedt <srostedt@...hat.com>, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, Paul Mundt <lethal@...ux-sh.org>, LKML <linux-kernel@...r.kernel.org>, Katsuya Matsubara <matsu@...l.co.jp> Subject: [PATCH RT 2/4] sh: enable interrupts in signal handling Fully-preemptible kernel does not need interrupts disabled in signal handling. The same treatment can be found in x86 and arm code. Signed-off-by: Katsuya Matsubara <matsu@...l.co.jp> --- arch/sh/kernel/signal_32.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 6d6e408..9f633b5 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -571,6 +571,13 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) struct k_sigaction ka; sigset_t *oldset; +#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 -- 1.6.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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