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authorJacob Pan <jacob.jun.pan@linux.intel.com>2022-12-05 21:14:12 +0800
committerJoerg Roedel <jroedel@suse.de>2022-12-05 14:27:03 +0100
commit81c95fbaebfa5990c3c786c8c3e87426a33106fe (patch)
tree086f6d1dead87792f10f26d3f47341c151c4561e /Documentation/hwmon
parent76dcd734eca23168cb008912c0f69ff408905235 (diff)
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iommu/vt-d: Fix buggy QAT device mask
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: e65a6897be5e ("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>
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