Merge tag 'kvm-s390-next-4.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 00db35b61e9ec1e3dc850080681ed93dffa959ad..d2d543794093f1272aa62551cfb9867195b490cc 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -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