iommu/vt-d: Fix buggy QAT device mask
mainline inclusion from mainline-v6.1 commit 81c95fba category: bugfix bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I8C8B4 CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=81c95fbaebfa5990c3c786c8c3e87426a33106fe ------------------------------------- Intel-SIG: commit 81c95fba iommu/vt-d: Fix buggy QAT device mask dtlb flush Backport SPR and EMR IOMMU PCIe related upstream bugfixes to kernel 5.10. Impacted QAT device IDs that need extra dtlb flush quirk is ranging from 0x4940 to 0x4943. After bitwise AND device ID with 0xfffc the result should be 0x4940 instead of 0x494c to identify these devices. Fixes: e65a6897 ("iommu/vt-d: Add a fix for devices need extra dtlb flush") Reported-by:Raghunathan Srinivasan <raghunathan.srinivasan@intel.com> Signed-off-by:
Ashok Raj <ashok.raj@intel.com> Signed-off-by:
Jacob Pan <jacob.jun.pan@linux.intel.com> Link: https://lore.kernel.org/r/20221203005610.2927487-1-jacob.jun.pan@linux.intel.com Signed-off-by:
Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by:
Joerg Roedel <jroedel@suse.de> (cherry picked from commit 81c95fba) Signed-off-by:
Ethan Zhao <haifeng.zhao@linux.intel.com>
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