x86: HPET_MSI change IRQ affinity in process context when it is disabled

Change the IRQ affinity in the process context when the IRQ is disabled.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ddc956861a582215d32c9322424da832c253607e..ad2ce72c83c498422815998a2b1e0c73dd6ac710 100644 (file)
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -87,10 +87,11 @@ int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
                return -EINVAL;
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
-       if (desc->status & IRQ_MOVE_PCNTXT) {
+       if (desc->status & IRQ_MOVE_PCNTXT || desc->status & IRQ_DISABLED) {
                unsigned long flags;
 
                spin_lock_irqsave(&desc->lock, flags);
+               desc->affinity = cpumask;
                desc->chip->set_affinity(irq, cpumask);
                spin_unlock_irqrestore(&desc->lock, flags);
        } else