[tip:irq/urgent] irq: Sanitize invoke_softirq

[tip-bot for Thomas Gleixner]

Commit-ID:  1ba476a0c9bd0907fa31a74d47e9f4f84b404690
Gitweb:     http://git.kernel.org/tip/1ba476a0c9bd0907fa31a74d47e9f4f84b404690
Author:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 21 Feb 2013 18:17:42 +0100
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 21 Feb 2013 18:32:45 +0100

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@xxxxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxx>
Link: alpine.LFD.2.02.1302202155320.22263@ionos">http://lkml.kernel.org/r/alpine.LFD.2.02.1302202155320.22263@ionos

---
 kernel/softirq.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/kernel/softirq.c b/kernel/softirq.c
index d1f7943..aebc590 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);
-	}
 }
 
 /*
--
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