Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
genirq: Force MSI irq handlers to run with interrupts disabled
+10
kernel/irq/manage.c
+10
kernel/irq/manage.c
···
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if (new->flags & IRQF_ONESHOT)
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desc->status |= IRQ_ONESHOT;
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/*
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* Force MSI interrupts to run with interrupts
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* disabled. The multi vector cards can cause stack
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* overflows due to nested interrupts when enough of
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* them are directed to a core and fire at the same
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* time.
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*/
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if (desc->msi_desc)
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new->flags |= IRQF_DISABLED;
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+
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if (!(desc->status & IRQ_NOAUTOEN)) {
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desc->depth = 0;
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desc->status &= ~IRQ_DISABLED;