diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-07-19 16:25:42 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-10-03 11:40:29 -0700 |
| commit | 56794483bcbf98296dffd8d8923402791b305be2 (patch) | |
| tree | f2b5e2c0f0181fe065d4940059fdbae17a51255f | |
| parent | e74aa3593a0026ea78b3997c3b7748f536e17f66 (diff) | |
x86, iommu: Mark DMAR IRQ as non-threaded
commit 477694e71113fd0694b6bb0bcc2d006b8ac62691 upstream.
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>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/pci/dmar.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 3dc9befa5aec..6dcc7e2d54de 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/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; |