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iommu/vt-d: Remove dmar_global_lock from device_notifier

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The code in the locked section does not touch anything
protected by the dmar_global_lock. Remove it from there.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2015-07-22 17:29:47 +02:00
parent 55d940430a
commit 2309bd793e
1 changed files with 0 additions and 2 deletions
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2
drivers/iommu/intel-iommu.c
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@ -4273,11 +4273,9 @@ static int device_notifier(struct notifier_block *nb,
if (!domain)
return 0;
down_read(&dmar_global_lock);
dmar_remove_one_dev_info(domain, dev);
if (!domain_type_is_vm_or_si(domain) && list_empty(&domain->devices))
domain_exit(domain);
up_read(&dmar_global_lock);
return 0;
}