[PATCH 15/19] iommu/vt-d: Disable IRQ remapping in intel_prepare_irq_remapping

From: Joerg Roedel
Date: Sat Jun 13 2015 - 02:49:37 EST


From: Joerg Roedel <jroedel@xxxxxxx>

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

Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
---
drivers/iommu/intel_irq_remapping.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 46d17e1..f1711836 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.
*/
--
1.9.1

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