Commit-ID: 4cd5d1115c2f752ca94a0eb461b36d88fb37ed1e Gitweb: http://git.kernel.org/tip/4cd5d1115c2f752ca94a0eb461b36d88fb37ed1e Author: Frederic Weisbecker <fweisbec@xxxxxxxxx> AuthorDate: Thu, 28 Feb 2013 20:00:43 +0100 Committer: Frederic Weisbecker <fweisbec@xxxxxxxxx> CommitDate: Thu, 28 Feb 2013 20:00:43 +0100 irq: Don't re-enable interrupts at the end of irq_exit Commit 74eed0163d0def3fce27228d9ccf3d36e207b286 "irq: Ensure irq_exit() code runs with interrupts disabled" restore interrupts flags in the end of irq_exit() for archs that don't define __ARCH_IRQ_EXIT_IRQS_DISABLED. However always returning from irq_exit() with interrupts disabled should not be a problem for these archs. Prior to this commit this was already happening anytime we processed pending softirqs anyway. Suggested-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> --- kernel/softirq.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/kernel/softirq.c b/kernel/softirq.c index f42ff97..dce38fa 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -334,9 +334,7 @@ static inline void invoke_softirq(void) void irq_exit(void) { #ifndef __ARCH_IRQ_EXIT_IRQS_DISABLED - unsigned long flags; - - local_irq_save(flags); + local_irq_disable(); #else WARN_ON_ONCE(!irqs_disabled()); #endif @@ -353,9 +351,6 @@ void irq_exit(void) tick_nohz_irq_exit(); #endif rcu_irq_exit(); -#ifndef __ARCH_IRQ_EXIT_IRQS_DISABLED - local_irq_restore(flags); -#endif } /* -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html