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

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Pull irq fix from Thomas Gleixner:
 "Fix for a regression caused by the conversion of x86 to the generic
  hotplug code.

  Instead of doing a plain single line revert, this adds a pile of
  comments so the semantics of the force argument are clear"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq/cpuhotplug: Revert "Set force affinity flag on hotplug migration"
This commit is contained in:
Linus Torvalds
2017-07-30 11:27:33 -07:00
parent 0a07b238e5 8397913303
commit 06efc7df37
2 changed files with 13 additions and 3 deletions
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7
include/linux/irq.h
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@@ -388,7 +388,12 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
* @irq_mask_ack: ack and mask an interrupt source
* @irq_unmask: unmask an interrupt source
* @irq_eoi: end of interrupt
* @irq_set_affinity: set the CPU affinity on SMP machines
* @irq_set_affinity: Set the CPU affinity on SMP machines. If the force
* argument is true, it tells the driver to
* unconditionally apply the affinity setting. Sanity
* checks against the supplied affinity mask are not
* required. This is used for CPU hotplug where the
* target CPU is not yet set in the cpu_online_mask.
* @irq_retrigger: resend an IRQ to the CPU
* @irq_set_type: set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ
* @irq_set_wake: enable/disable power-management wake-on of an IRQ