Commit-ID: c69e3758ff56d03e161187355791ec992c574276 Gitweb: http://git.kernel.org/tip/c69e3758ff56d03e161187355791ec992c574276 Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Wed, 2 Mar 2011 11:49:21 +0100 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Wed, 2 Mar 2011 11:49:21 +0100 genirq: Fixup fasteoi handler for oneshot mode The fasteoi handler must mask the interrupt line in oneshot mode otherwise we end up with an irq storm. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- kernel/irq/chip.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index b514565..c9c0601 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -513,6 +513,10 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc) mask_irq(desc); goto out; } + + if (desc->istate & IRQS_ONESHOT) + mask_irq(desc); + preflow_handler(desc); handle_irq_event(desc); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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