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| author | Ingo Molnar <mingo@elte.hu> | 2009-07-03 13:29:27 (GMT) |
|---|---|---|
| committer | Emil Medve <Emilian.Medve@Freescale.com> | 2013-04-30 08:16:58 (GMT) |
| commit | 57b5c8653c9cbda2445b5c361fe04536d8ed5627 (patch) | |
| tree | 3d9e24b14015b402bf0da5c573750f38276846b9 | |
| parent | 7cf0a06821afabc15dc5050d48a2174bb5dd50f4 (diff) | |
| download | linux-fsl-qoriq-57b5c8653c9cbda2445b5c361fe04536d8ed5627.tar.xz | |
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>
| -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 b739d39..aaa6399 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2428,7 +2428,8 @@ static bool io_apic_level_ack_pending(struct irq_cfg *cfg) static inline bool ioapic_irqd_mask(struct irq_data *data, struct irq_cfg *cfg) { /* 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))) { mask_ioapic(cfg); return true; } |