iommu/vt-d: Enable QI on all IOMMUs before setting root entry
This seems to be required on some X58 chipsets on systems with more than one IOMMU. QI does not work until it is enabled on all IOMMUs in the system. Reported-by:Dheeraj CVR <cvr.dheeraj@gmail.com> Tested-by:
Dheeraj CVR <cvr.dheeraj@gmail.com> Fixes: 5f0a7f76 ('iommu/vt-d: Make root entry visible for hardware right after allocation') Cc: stable@vger.kernel.org Signed-off-by:
Joerg Roedel <jroedel@suse.de>
parent
ae8a7910
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