diff options
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/kernel/io_apic.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index b848f4808510..8a9a357875b7 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -1255,12 +1255,15 @@ static int ioapic_retrigger_irq(unsigned int irq) { cpumask_t mask; unsigned vector; + unsigned long flags; + spin_lock_irqsave(&vector_lock, flags); vector = irq_vector[irq]; cpus_clear(mask); - cpu_set(vector >> 8, mask); + cpu_set(first_cpu(irq_domain[irq]), mask); - send_IPI_mask(mask, vector & 0xff); + send_IPI_mask(mask, vector); + spin_unlock_irqrestore(&vector_lock, flags); return 1; } |