RE: [PATCH 1/2] iommu/vt-d: Check correct capability for sagaw determination

From: Liu, Yi L yi.l.liu@intel.com Sent: Friday, September 16, 2022 3:12 PM

Check 5-level paging capability for 57 bits address width instead of checking 1GB large page capability.

Fixes: 53fc7ad6edf2 ("iommu/vt-d: Correctly calculate sagaw value of IOMMU") Cc: stable@vger.kernel.org Reported-by: Raghunathan Srinivasan raghunathan.srinivasan@intel.com Signed-off-by: Yi Liu yi.l.liu@intel.com

Reviewed-by: Kevin Tian kevin.tian@intel.com