Unverified Commit 3bd3a69f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12451 iommu/vt-d: Fix double list_add when enabling VMD in scalable mode 

Merge Pull Request from: @ci-robot 
 
PR sync from: dinglongwei <dinglongwei1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/2UBEIIVP45OHZZNMBF7ZNJXESPTAIFR4/ 
 
https://gitee.com/src-openeuler/kernel/issues/IALPU1 
 
Link:https://gitee.com/openeuler/kernel/pulls/12451

 

Reviewed-by: default avatarWeilong Chen <chenweilong@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 8a845799 f6bbffa7

drivers/iommu/intel/iommu.c

+1 −1
Original line number Diff line number Diff line
@@ -2838,7 +2838,7 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, 
	spin_unlock_irqrestore(&device_domain_lock, flags);



	/* PASID table is mandatory for a PCI device in scalable mode. */

	if (dev && dev_is_pci(dev) && sm_supported(iommu)) {

	if (sm_supported(iommu) && !dev_is_real_dma_subdevice(dev)) {

		ret = intel_pasid_alloc_table(dev);

		if (ret) {

			dev_err(dev, "PASID table allocation failed\n");