Unverified Commit 14189353 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12599 iommufd: Require drivers to supply the cache_invalidate_user ops 

Merge Pull Request from: @ci-robot 
 
PR sync from: Lin Ruifeng <linruifeng4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/XWF3ODM6P2HE2UUW77DYLRGF4WW5CT3G/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAU9LS 
 
Link:https://gitee.com/openeuler/kernel/pulls/12599

 

Reviewed-by: default avatarWeilong Chen <chenweilong@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents d74c077f 672b03b0

drivers/iommu/iommufd/hw_pagetable.c

+2 −1
Original line number Diff line number Diff line
@@ -236,7 +236,8 @@ iommufd_hwpt_nested_alloc(struct iommufd_ctx *ictx, 
	}

	hwpt->domain->owner = ops;



	if (WARN_ON_ONCE(hwpt->domain->type != IOMMU_DOMAIN_NESTED)) {

	if (WARN_ON_ONCE(hwpt->domain->type != IOMMU_DOMAIN_NESTED ||

			 !hwpt->domain->ops->cache_invalidate_user)) {

		rc = -EINVAL;

		goto out_abort;

	}