** Description changed: GCP is asking for a backport of the patch "iommu/amd: Add - map/unmap_pages() iommu_domain_ops callback support" to the 5.19 - (kinetic) gcp kernel + map/unmap_pages() iommu_domain_ops callback support" from upstream 6.2 + to the 5.19 (kinetic) gcp kernel + + The following two patches are required for the backport: + 6b080c4e815ceba3c08ffa980c858595c07e7 iommu/amd/io-pgtable: Implement map_pages io_pgtable_ops callback + 251c4db699ca7b966db7e59e8663a231c96ba iommu/amd/io-pgtable: Implement unmap_pages io_pgtable_ops callback + + More info at + https://canonical.lightning.force.com/lightning/r/Case/5008e00000CjJJCAA3/view - The following two patches are pre-requisites: - 6b080c4e815ceba3c08ffa980c858595c07e7 iommu/amd/io-pgtable: Implement map_pages io_pgtable_ops callback - 251c4db699ca7b966db7e59e8663a231c96ba iommu/amd/io-pgtable: Implement unmap_pages io_pgtable_ops callback + Impact: + - This allows the AMD iommu driver to map/unmap multiple pages in one call. GCP states that this also has a security side-effect which they are interested in. - More info at https://canonical.lightning.force.com/lightning/r/Case/5008e00000CjJJCAA3/view + Testing: + - Boot-tested the change in a gcp SEV and non-SEV environment on AMD hardware.
** Description changed: GCP is asking for a backport of the patch "iommu/amd: Add map/unmap_pages() iommu_domain_ops callback support" from upstream 6.2 to the 5.19 (kinetic) gcp kernel The following two patches are required for the backport: 6b080c4e815ceba3c08ffa980c858595c07e7 iommu/amd/io-pgtable: Implement map_pages io_pgtable_ops callback 251c4db699ca7b966db7e59e8663a231c96ba iommu/amd/io-pgtable: Implement unmap_pages io_pgtable_ops callback More info at https://canonical.lightning.force.com/lightning/r/Case/5008e00000CjJJCAA3/view - Impact: - - This allows the AMD iommu driver to map/unmap multiple pages in one call. GCP states that this also has a security side-effect which they are interested in. - + - This allows the AMD iommu driver to map/unmap multiple pages in one call. GCP states that this also has a security side-effect which they are interested in. Testing: - - Boot-tested the change in a gcp SEV and non-SEV environment on AMD hardware. + - Boot-tested the changes in a gcp SEV and non-SEV environment on AMD hardware. ** Also affects: linux-gcp (Ubuntu Kinetic) Importance: Undecided Status: New ** Changed in: linux-gcp (Ubuntu Kinetic) Assignee: (unassigned) => Khaled El Mously (kmously) ** Changed in: linux-gcp (Ubuntu) Assignee: (unassigned) => Khaled El Mously (kmously) ** Changed in: linux-gcp (Ubuntu Kinetic) Importance: Undecided => Medium ** Changed in: linux-gcp (Ubuntu) Importance: Undecided => Medium ** Changed in: linux-gcp (Ubuntu Kinetic) Status: New => In Progress ** Changed in: linux-gcp (Ubuntu) Status: New => In Progress ** Summary changed: - gcp" backport "iommu/amd: Add map/unmap_pages() iommu_domain_ops callback support" + gcp: backport "iommu/amd: Add map/unmap_pages() iommu_domain_ops callback support" ** Description changed: - GCP is asking for a backport of the patch "iommu/amd: Add - map/unmap_pages() iommu_domain_ops callback support" from upstream 6.2 - to the 5.19 (kinetic) gcp kernel + GCP is requesting the backport of the patch "6b080c4e815ceba3c08f + iommu/amd: Add map/unmap_pages() iommu_domain_ops callback support" from + upstream 6.2 to the 5.19 (kinetic) gcp kernel The following two patches are required for the backport: 6b080c4e815ceba3c08ffa980c858595c07e7 iommu/amd/io-pgtable: Implement map_pages io_pgtable_ops callback 251c4db699ca7b966db7e59e8663a231c96ba iommu/amd/io-pgtable: Implement unmap_pages io_pgtable_ops callback More info at https://canonical.lightning.force.com/lightning/r/Case/5008e00000CjJJCAA3/view Impact: - This allows the AMD iommu driver to map/unmap multiple pages in one call. GCP states that this also has a security side-effect which they are interested in. Testing: - Boot-tested the changes in a gcp SEV and non-SEV environment on AMD hardware. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-gcp in Ubuntu. https://bugs.launchpad.net/bugs/2023313 Title: gcp: backport "iommu/amd: Add map/unmap_pages() iommu_domain_ops callback support" Status in linux-gcp package in Ubuntu: In Progress Status in linux-gcp source package in Kinetic: In Progress Bug description: GCP is requesting the backport of the patch "6b080c4e815ceba3c08f iommu/amd: Add map/unmap_pages() iommu_domain_ops callback support" from upstream 6.2 to the 5.19 (kinetic) gcp kernel The following two patches are required for the backport: 6b080c4e815ceba3c08ffa980c858595c07e7 iommu/amd/io-pgtable: Implement map_pages io_pgtable_ops callback 251c4db699ca7b966db7e59e8663a231c96ba iommu/amd/io-pgtable: Implement unmap_pages io_pgtable_ops callback More info at https://canonical.lightning.force.com/lightning/r/Case/5008e00000CjJJCAA3/view Impact: - This allows the AMD iommu driver to map/unmap multiple pages in one call. GCP states that this also has a security side-effect which they are interested in. Testing: - Boot-tested the changes in a gcp SEV and non-SEV environment on AMD hardware. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-gcp/+bug/2023313/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
