diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2013-02-21 18:17:42 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-02-21 20:52:24 +0100 |
| commit | facd8b80c67a3cf64a467c4a2ac5fb31f2e6745b (patch) | |
| tree | 5feb802348c3fe708b9ea562e5e6b3c753ad7fe6 | |
| parent | irq: Ensure irq_exit() code runs with interrupts disabled (diff) | |
| download | linux-facd8b80c67a3cf64a467c4a2ac5fb31f2e6745b.tar.xz linux-facd8b80c67a3cf64a467c4a2ac5fb31f2e6745b.zip | |
irq: Sanitize invoke_softirq
With the irq protection in irq_exit, we can remove the #ifdeffery and
the bh_disable/enable dance in invoke_softirq()
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linuxfoundation.org>
Link: http://lkml.kernel.org/r/alpine.LFD.2.02.1302202155320.22263@ionos
| -rw-r--r-- | kernel/softirq.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c index f2a934673008..24a921bcf04f 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -322,18 +322,10 @@ void irq_enter(void) static inline void invoke_softirq(void) { - if (!force_irqthreads) { -#ifdef __ARCH_IRQ_EXIT_IRQS_DISABLED + if (!force_irqthreads) __do_softirq(); -#else - do_softirq(); -#endif - } else { - __local_bh_disable((unsigned long)__builtin_return_address(0), - SOFTIRQ_OFFSET); + else wakeup_softirqd(); - __local_bh_enable(SOFTIRQ_OFFSET); - } } /* |