From e5137682a1ad48bc5306070935c277e262f119ef Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Fri, 28 Sep 2007 15:21:51 +0900 Subject: [PATCH] sh: Tidy up gUSA preempt handling. Currently gUSA toggles hardirqs to disable preemption in the signal handler. Make the preemption toggling explicit, and kill off some CONFIG_PREEMPT ifdefs in the process. Signed-off-by: Paul Mundt --- arch/sh/kernel/signal.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index 706d81ccd101..0f657d32ceb9 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -509,11 +509,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, } } else { /* gUSA handling */ -#ifdef CONFIG_PREEMPT - unsigned long flags; + preempt_disable(); - local_irq_save(flags); -#endif if (regs->regs[15] >= 0xc0000000) { int offset = (int)regs->regs[15]; @@ -524,9 +521,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, regs->pc = regs->regs[0] + offset - instruction_size(ctrl_inw(regs->pc-4)); } -#ifdef CONFIG_PREEMPT - local_irq_restore(flags); -#endif + + preempt_enable_no_resched(); } /* Set up the stack frame */ -- 2.34.1