diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-07-03 08:29:27 -0500 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-01-16 13:00:10 -0600 |
| commit | df8342aa58a6268836d686989a9975ded3298003 (patch) | |
| tree | 3eff9647df2aa5418b8dcd1f83c5599cb8f850dd /arch | |
| parent | 74c51fc6cd21f841fc2c47efb8a57a2e6307a05b (diff) | |
x86: Do not unmask io_apic when interrupt is in progress
With threaded interrupts we might see an interrupt in progress on
migration. Do not unmask it when this is the case.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 898055585516..91527bc8a621 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2521,7 +2521,8 @@ static void ack_apic_level(struct irq_data *data) irq_complete_move(cfg); #ifdef CONFIG_GENERIC_PENDING_IRQ /* If we are moving the irq we need to mask it */ - if (unlikely(irqd_is_setaffinity_pending(data))) { + if (unlikely(irqd_is_setaffinity_pending(data) && + !irqd_irq_inprogress(data))) { do_unmask_irq = 1; mask_ioapic(cfg); } |