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| author | James Morris <jmorris@namei.org> | 2010-05-06 02:56:07 +0200 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-05-06 02:56:07 +0200 |
| commit | 0ffbe2699cda6afbe08501098dff8a8c2fe6ae09 (patch) | |
| tree | 81b1a2305d16c873371b65c5a863c0268036cefe /kernel/irq/manage.c | |
| parent | TOMOYO: Use GFP_NOFS rather than GFP_KERNEL. (diff) | |
| parent | Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/air... (diff) | |
| download | linux-0ffbe2699cda6afbe08501098dff8a8c2fe6ae09.tar.xz linux-0ffbe2699cda6afbe08501098dff8a8c2fe6ae09.zip | |
Merge branch 'master' into next
Diffstat (limited to 'kernel/irq/manage.c')
| -rw-r--r-- | kernel/irq/manage.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 398fda155f6e..704e488730a5 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -757,6 +757,16 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) if (new->flags & IRQF_ONESHOT) desc->status |= IRQ_ONESHOT; + /* + * Force MSI interrupts to run with interrupts + * disabled. The multi vector cards can cause stack + * overflows due to nested interrupts when enough of + * them are directed to a core and fire at the same + * time. + */ + if (desc->msi_desc) + new->flags |= IRQF_DISABLED; + if (!(desc->status & IRQ_NOAUTOEN)) { desc->depth = 0; desc->status &= ~IRQ_DISABLED; |