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Author	SHA1	Message	Date
Linus Torvalds	d92b86f672	IOMMU Fix for Linux v6.1-rc8 Including: - Fix device mask to catch all affected devices in the recently added quirk for QAT devices in the Intel VT-d driver. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAmOV37AACgkQK/BELZcB GuMmgA/9Ec7btTVq/o6Hk3Hf/F5qSprOptTmKxVli7ta2ReVbjcZEi0g8hPiDUGU Uog4Abl5ndP/JixkKBRY3m5ypL2Y8Ip/KEjDF9uEHPTYK22JklMa9OZAOby+eu+h cPon0RKVUfEmrtxoCpFc1w/38V5LJq9QoDgLWvyoL9HBjdrX/DQ4WU4EVVAbW1DQ XqbyCeksLUJCg+it3593KXKbWdT8lVkiB2lk8R5Q8oPzGeai4g+gy6waXDw+yYty 8jhC2TPNTHpgT0GMONr9hswN7wOjlboGlifgo23iCuDdvtdwklcIBFn8H9IGhqGH dPJmiN6+r9YKQ2IrQyXXjx5ZrxXT2VGxxIangbuImfhfdxKnr9smHrjGL65TIcbl eGXPt38gDoMPaMXqMMHia0DFZZPjW8yrqFRclDrUjBM1Kd1D5k/UKidHMfRuGFFj WrekHmcsAeoom1TtR763BpJGfRqemWa/Y/kFp0OivYqeLa0BjdpqiKlC4hyTraAa fCSIr39XsX0oeBDvkIPkfFrbp/u1no+xIj2qlb2YPwWQL4E0HUstmK9ahJez4hyq tMxf6Mu5om0EZ/mWLSEfNTcaCvFmTUXk2cwLxzyXSVK8hqKAbHj3D2b+bPEgX9Qe izk8pY5+oqBm2OkOTfgFDuJ/ydL0WmHhqH51NlqRvsFMmSB2Y1Q= =EMo5 -----END PGP SIGNATURE----- Merge tag 'iommu-fix-v6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fix from Joerg Roedel: - Fix device mask to catch all affected devices in the recently added quirk for QAT devices in the Intel VT-d driver. * tag 'iommu-fix-v6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/vt-d: Fix buggy QAT device mask	2022-12-11 09:49:39 -08:00
Jacob Pan	81c95fbaeb	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: `e65a6897be` ("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>	2022-12-05 14:27:03 +01:00

Linus Torvalds

d92b86f672

IOMMU Fix for Linux v6.1-rc8

Including:
 
 	- Fix device mask to catch all affected devices in the recently added
 	  quirk for QAT devices in the Intel VT-d driver.
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Merge tag 'iommu-fix-v6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fix from Joerg Roedel:

 - Fix device mask to catch all affected devices in the recently added
   quirk for QAT devices in the Intel VT-d driver.

* tag 'iommu-fix-v6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Fix buggy QAT device mask

2022-12-11 09:49:39 -08:00

Jacob Pan

81c95fbaeb

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: e65a6897be ("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>

2022-12-05 14:27:03 +01:00

1 changed files with 1 additions and 1 deletions

									
										2

drivers/iommu/intel/iommu.c
									
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				@ -1402,7 +1402,7 @@ static void domain_update_iotlb(struct dmar_domain *domain)

				 * check because it applies only to the built-in QAT devices and it doesn't

				 * grant additional privileges.

				 */

				#define BUGGY_QAT_DEVID_MASK 0x494c

				#define BUGGY_QAT_DEVID_MASK 0x4940

				static bool dev_needs_extra_dtlb_flush(struct pci_dev *pdev)

				{

					if (pdev->vendor != PCI_VENDOR_ID_INTEL)

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