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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-07-19 16:25:42 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-09-13 23:44:53 +0200 |
| commit | 477694e71113fd0694b6bb0bcc2d006b8ac62691 (patch) | |
| tree | 9ccfa37503514fa53ce26403ccf310d1586ea6e3 /drivers/iommu/dmar.c | |
| parent | ed585a651681e822089087b426e6ebfb6d3d9873 (diff) | |
| download | linux-477694e71113fd0694b6bb0bcc2d006b8ac62691.tar.gz linux-477694e71113fd0694b6bb0bcc2d006b8ac62691.tar.bz2 linux-477694e71113fd0694b6bb0bcc2d006b8ac62691.zip | |
x86, iommu: Mark DMAR IRQ as non-threaded
Mark this lowlevel IRQ handler as non-threaded. This prevents a boot
crash when "threadirqs" is on the kernel commandline. Also the
interrupt handler is handling hardware critical events which should
not be delayed into a thread.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/iommu/dmar.c')
| -rw-r--r-- | drivers/iommu/dmar.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 3dc9befa5aec..6dcc7e2d54de 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1388,7 +1388,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) return ret; } - ret = request_irq(irq, dmar_fault, 0, iommu->name, iommu); + ret = request_irq(irq, dmar_fault, IRQF_NO_THREAD, iommu->name, iommu); if (ret) printk(KERN_ERR "IOMMU: can't request irq\n"); return ret; |