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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-20 15:56:25 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-20 15:56:25 -0700 |
commit | cf6ace16a3cd8b728fb0afa68368fd40bbeae19f (patch) | |
tree | 489c64380668e8c5a29d3f36f37554e4b081a647 /kernel/softirq.c | |
parent | acc11eab70591744369722280c9ce162a6193494 (diff) | |
parent | d1e9ae47a0285d3f1699e8219ce50f656243b93f (diff) | |
download | linux-cf6ace16a3cd8b728fb0afa68368fd40bbeae19f.tar.bz2 |
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
signal: align __lock_task_sighand() irq disabling and RCU
softirq,rcu: Inform RCU of irq_exit() activity
sched: Add irq_{enter,exit}() to scheduler_ipi()
rcu: protect __rcu_read_unlock() against scheduler-using irq handlers
rcu: Streamline code produced by __rcu_read_unlock()
rcu: Fix RCU_BOOST race handling current->rcu_read_unlock_special
rcu: decrease rcu_report_exp_rnp coupling with scheduler
Diffstat (limited to 'kernel/softirq.c')
-rw-r--r-- | kernel/softirq.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c index 40cf63ddd4b3..fca82c32042b 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -315,16 +315,24 @@ static inline void invoke_softirq(void) { if (!force_irqthreads) __do_softirq(); - else + else { + __local_bh_disable((unsigned long)__builtin_return_address(0), + SOFTIRQ_OFFSET); wakeup_softirqd(); + __local_bh_enable(SOFTIRQ_OFFSET); + } } #else static inline void invoke_softirq(void) { if (!force_irqthreads) do_softirq(); - else + else { + __local_bh_disable((unsigned long)__builtin_return_address(0), + SOFTIRQ_OFFSET); wakeup_softirqd(); + __local_bh_enable(SOFTIRQ_OFFSET); + } } #endif |