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@xxxxxxxxxx> --- 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-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
