[patch] ARM: smpboot: Enable interrupts after marking CPU online/active

Thomas Gleixner tglx at linutronix.de
Thu Sep 29 16:12:08 EDT 2011


On Thu, 29 Sep 2011, Kukjin Kim wrote:
> Russell King - ARM Linux wrote:
> But as Amit said, current EXYNOS4 SoCs which are using SPI for local timers
> has problem that the irq_set_affinity() method is called in
> percpu_timer_setup() before CPU1 becomes online with the commit
> 5dfc54e087c15f823ee9b6541d2f0f314e69cbed ("ARM: GIC: avoid routing
> interrupts to offline CPUs"). So I will check again.

Why is a per cpu interrupt having an irq_set_affinity() function at all?
 
Thanks,

	tglx



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