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iommu/vt-d: Disable IRQ remapping in intel_prepare_irq_remapping 

Move it to this function for now, so that the copy routines
for irq remapping take no effect yet.

Tested-by: ZhenHua Li <zhen-hual@hp.com>
Tested-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2015-06-12 14:25:53 +02:00
parent 9e4e49dfde
commit c676f5876b
1 changed files with 3 additions and 3 deletions
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6
drivers/iommu/intel_irq_remapping.c
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@ -654,6 +654,9 @@ static int __init intel_prepare_irq_remapping(void)
pr_info("%s does not support EIM\n", iommu->name);
eim = 0;
}
/* Disable IRQ remapping if it is already enabled */
iommu_disable_irq_remapping(iommu);
}
eim_mode = eim;
@ -682,9 +685,6 @@ static int __init intel_enable_irq_remapping(void)
struct intel_iommu *iommu;
bool setup = false;
for_each_iommu(iommu, drhd)
iommu_disable_irq_remapping(iommu);
/*
* Setup Interrupt-remapping for all the DRHD's now.
*/