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| author | Ingo Molnar <mingo@kernel.org> | 2013-06-19 12:55:31 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-06-19 12:55:31 +0200 |
| commit | d81344c50824a4d28a9397e97135d60075ac37ff (patch) | |
| tree | d25c443fb4a764cd788db857c49dd3d3f8f722d3 /drivers/iommu/intel_irq_remapping.c | |
| parent | 0de358f1c2642710d41190b73fbc295e675c4ab8 (diff) | |
| parent | 29bb9e5a75684106a37593ad75ec75ff8312731b (diff) | |
Merge branch 'sched/urgent' into sched/core
Merge in fixes before applying ongoing new work.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/iommu/intel_irq_remapping.c')
| -rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index f3b8f23b5d8f..5b19b2d6ec2d 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -524,6 +524,16 @@ static int __init intel_irq_remapping_supported(void) if (disable_irq_remap) return 0; + if (irq_remap_broken) { + WARN_TAINT(1, TAINT_FIRMWARE_WORKAROUND, + "This system BIOS has enabled interrupt remapping\n" + "on a chipset that contains an erratum making that\n" + "feature unstable. To maintain system stability\n" + "interrupt remapping is being disabled. Please\n" + "contact your BIOS vendor for an update\n"); + disable_irq_remap = 1; + return 0; + } if (!dmar_ir_support()) return 0; |