TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iommu/amd: Fix argument order in amd_iommu_dev_flush_pasid_all()

Browse Source 
commit 8386207f37 upstream.

An incorrect argument order calling amd_iommu_dev_flush_pasid_pages()
causes improper flushing of the IOMMU, leaving the old value of GCR3 from
a previous process attached to the same PASID.

The function has the signature:

void amd_iommu_dev_flush_pasid_pages(struct iommu_dev_data *dev_data,
				     ioasid_t pasid, u64 address, size_t size)

Correct the argument order.

Cc: stable@vger.kernel.org
Fixes: 474bf01ed9 ("iommu/amd: Add support for device based TLB invalidation")
Signed-off-by: Eliav Bar-ilan <eliavb@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/0-v1-fc6bc37d8208+250b-amd_pasid_flush_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Eliav Bar-ilan
2024-09-10 16:44:16 -03:00
committed by Greg Kroah-Hartman
parent 1b1f319159
commit e5be9fef68
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/iommu/amd/iommu.c
+2 -2
View File
@@ -1550,8 +1550,8 @@ void amd_iommu_dev_flush_pasid_pages(struct iommu_dev_data *dev_data,
void amd_iommu_dev_flush_pasid_all(struct iommu_dev_data *dev_data,
ioasid_t pasid)
{
amd_iommu_dev_flush_pasid_pages(dev_data, 0,
CMD_INV_IOMMU_ALL_PAGES_ADDRESS, pasid);
amd_iommu_dev_flush_pasid_pages(dev_data, pasid, 0,
CMD_INV_IOMMU_ALL_PAGES_ADDRESS);
}
void amd_iommu_domain_flush_complete(struct protection_domain *domain)