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iommu/vt-d: Clear the redundant assignment for domain->nid

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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>
This commit is contained in:
Yijing Wang 2014-05-20 20:37:50 +08:00 committed by Joerg Roedel
parent 435bbb4633
commit 8f9d41b430
1 changed files with 0 additions and 1 deletions
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drivers/iommu/intel-iommu.c
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@ -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);