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authorJoerg Roedel <jroedel@suse.de>2015-06-12 14:25:53 +0200
committerJoerg Roedel <jroedel@suse.de>2015-06-16 10:59:35 +0200
commitc676f5876bc088ace35ece98042a3be6d8329530 (patch)
treebeb6be642bad0bc28dec87992351611819004096 /drivers/iommu/intel_irq_remapping.c
parent9e4e49dfde3bfac48d431893863ac3b9d3f3774a (diff)
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>
Diffstat (limited to 'drivers/iommu/intel_irq_remapping.c')
-rw-r--r--drivers/iommu/intel_irq_remapping.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 46d17e19a461..f1711836486f 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -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.
*/