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authorJiang Liu <jiang.liu@linux.intel.com>2015-01-07 08:31:42 +0100
committerThomas Gleixner <tglx@linutronix.de>2015-01-15 11:24:24 +0100
commit7fa1c842caca3b1d8a55a64033403cab8ca8583a (patch)
tree8c79a44fed49274c538781dafaa3071c77aa09d3 /drivers/iommu/intel_irq_remapping.c
parentiommu/irq_remapping: Refine function irq_remapping_prepare() for maintenance (diff)
downloadlinux-7fa1c842caca3b1d8a55a64033403cab8ca8583a.tar.xz
linux-7fa1c842caca3b1d8a55a64033403cab8ca8583a.zip
iommu/irq_remapping: Change variable disable_irq_remap to be static
Change variable disable_irq_remap to be static and simplify the code. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Tested-by: Joerg Roedel <joro@8bytes.org> Cc: Tony Luck <tony.luck@intel.com> Cc: iommu@lists.linux-foundation.org Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1420615903-28253-16-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/iommu/intel_irq_remapping.c')
-rw-r--r--drivers/iommu/intel_irq_remapping.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index fb72bd5f438c..14de1ab223c8 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -588,10 +588,6 @@ static int __init intel_prepare_irq_remapping(void)
struct dmar_drhd_unit *drhd;
struct intel_iommu *iommu;
- /* First check whether IRQ remapping should be enabled */
- if (disable_irq_remap)
- return -ENODEV;
-
if (irq_remap_broken) {
printk(KERN_WARNING
"This system BIOS has enabled interrupt remapping\n"
@@ -600,7 +596,6 @@ static int __init intel_prepare_irq_remapping(void)
"interrupt remapping is being disabled. Please\n"
"contact your BIOS vendor for an update\n");
add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
- disable_irq_remap = 1;
return -ENODEV;
}