iommu/vt-d: Remove dmar_global_lock from device_notifier



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>

parent 55d94043

drivers/iommu/intel-iommu.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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;
		}