diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-07-03 08:29:27 -0500 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2011-12-28 16:25:25 -0600 |
| commit | fa26de70ea918fbc5c55f74fa648f817c211cf8e (patch) | |
| tree | 96a571e2a038790344ba345a4290915e44318940 /arch/x86 | |
| parent | 092032b3550e6ca2e5decf2980178a0b03aa63b0 (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/x86')
| -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); } |