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amd-iommu: set evt_buf_size correctly
author
Joerg Roedel
<joerg.roedel@amd.com>
Thu, 2 Jul 2009 16:32:05 +0000
(18:32 +0200)
committer
Joerg Roedel
<joerg.roedel@amd.com>
Thu, 2 Jul 2009 16:32:05 +0000
(18:32 +0200)
The setting of this variable got lost during the suspend/resume
implementation. But keeping this variable zero causes a divide-by-zero
error in the interrupt handler. This patch fixes this.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
arch/x86/kernel/amd_iommu_init.c
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diff --git
a/arch/x86/kernel/amd_iommu_init.c
b/arch/x86/kernel/amd_iommu_init.c
index
ec72c77
..
c1b17e9
100644
(file)
--- a/
arch/x86/kernel/amd_iommu_init.c
+++ b/
arch/x86/kernel/amd_iommu_init.c
@@
-472,6
+472,8
@@
static u8 * __init alloc_event_buffer(struct amd_iommu *iommu)
if (iommu->evt_buf == NULL)
return NULL;
+ iommu->evt_buf_size = EVT_BUFFER_SIZE;
+
return iommu->evt_buf;
}