evie/android_kernel_oneplus_msm8998
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Merge "genirq: Avoid race between cpu hot plug and irq_desc() allocation paths"

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Linux Build Service Account 2016-10-09 21:17:51 -07:00 • committed by Gerrit - the friendly Code Review server
commit 31131180a1
1 changed files with 3 additions and 0 deletions
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kernel/irq/cpuhotplug.c
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@ -78,6 +78,9 @@ void irq_migrate_all_off_this_cpu(void)
bool affinity_broken; bool affinity_broken;
desc = irq_to_desc(irq); desc = irq_to_desc(irq);
if (!desc)
continue;
raw_spin_lock(&desc->lock); raw_spin_lock(&desc->lock);
affinity_broken = migrate_one_irq(desc); affinity_broken = migrate_one_irq(desc);
raw_spin_unlock(&desc->lock); raw_spin_unlock(&desc->lock);