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Merge branch 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull timer fixes from Ingo Molnar:
 "Main changes:

  - Fix the deadlock reported by Dave Jones et al
  - Clean up and fix nohz_full interaction with arch abilities
  - nohz init code consolidation/cleanup"

* 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  nohz: nohz full depends on irq work self IPI support
  nohz: Consolidate nohz full init code
  arm64: Tell irq work about self IPI support
  arm: Tell irq work about self IPI support
  x86: Tell irq work about self IPI support
  irq_work: Force raised irq work to run on irq work interrupt
  irq_work: Introduce arch_irq_work_has_interrupt()
  nohz: Move nohz full init call to tick init
This commit is contained in:
Linus Torvalds
2014-10-09 06:30:57 -04:00
parent 35a9ad8af0 9b01f5bf39
commit afa3536be8
43 changed files with 133 additions and 29 deletions
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2
arch/arm/kernel/smp.c
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@@ -499,7 +499,7 @@ void arch_send_call_function_single_ipi(int cpu)
#ifdef CONFIG_IRQ_WORK
void arch_irq_work_raise(void)
{
if (is_smp())
if (arch_irq_work_has_interrupt())
smp_cross_call(cpumask_of(smp_processor_id()), IPI_IRQ_WORK);
}
#endif