Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2464286ace55b3abddfb9cc30ab95e2dac1de9a6 Commit: 2464286ace55b3abddfb9cc30ab95e2dac1de9a6 Parent: 496634217e5671ed876a0348e9f5b7165e830b20 Author: Thomas Gleixner <[EMAIL PROTECTED]> AuthorDate: Sun Aug 12 15:46:35 2007 +0000 Committer: Linus Torvalds <[EMAIL PROTECTED]> CommitDate: Sun Aug 12 11:05:45 2007 -0700
genirq: suppress resend of level interrupts Level type interrupts are resent by the interrupt hardware when they are still active at irq_enable(). Suppress the resend mechanism for interrupts marked as level. Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> --- kernel/irq/resend.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index 5bfeaed..a804679 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -62,7 +62,12 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq) */ desc->chip->enable(irq); - if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) { + /* + * We do not resend level type interrupts. Level type + * interrupts are resent by hardware when they are still + * active. + */ + if ((status & (IRQ_LEVEL | IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) { desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY; if (!desc->chip || !desc->chip->retrigger || - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html