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iommu/vt-d: Clear the redundant assignment for domain->nid
author
Yijing Wang
<wangyijing@huawei.com>
Tue, 20 May 2014 12:37:50 +0000
(20:37 +0800)
committer
Joerg Roedel
<jroedel@suse.de>
Fri, 4 Jul 2014 09:34:00 +0000
(11:34 +0200)
Alloc_domain() will initialize domain->nid to -1. So the
initialization for domain->nid in md_domain_init() is redundant,
clear it.
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/intel-iommu.c
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diff --git
a/drivers/iommu/intel-iommu.c
b/drivers/iommu/intel-iommu.c
index 4b0f1ac3047828d49a3e7b3a76d6a05fea784313..5fee0f983c03afaa2d5485164eaa802444fe146c 100644
(file)
--- a/
drivers/iommu/intel-iommu.c
+++ b/
drivers/iommu/intel-iommu.c
@@
-4148,7
+4148,6
@@
static int md_domain_init(struct dmar_domain *domain, int guest_width)
domain->iommu_snooping = 0;
domain->iommu_superpage = 0;
domain->max_addr = 0;
- domain->nid = -1;
/* always allocate the top pgd */
domain->pgd = (struct dma_pte *)alloc_pgtable_page(domain->nid);
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