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(parent: 0fcfb00) | patch
iommu/amd: Restore GA log/tail pointer on host resume
authorMaxim Levitsky <mlevitsk@redhat.com>
Tue, 23 Nov 2021 16:10:34 +0000 (18:10 +0200)
committerJoerg Roedel <jroedel@suse.de>
Fri, 17 Dec 2021 08:20:39 +0000 (09:20 +0100)
commita8d4a37d1bb93608501d0d0545f902061152669a
tree1629371f18bec9f201e1e2eccddcd7aa59095782tree | snapshot
parent0fcfb00b28c0b7884635dacf38e46d60bf3d4eb1commit | diff
iommu/amd: Restore GA log/tail pointer on host resume

This will give IOMMU GA log a chance to work after resume
from s3/s4.

Fixes: 8bda0cfbdc1a6 ("iommu/amd: Detect and initialize guest vAPIC log")

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20211123161038.48009-2-mlevitsk@redhat.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/amd/init.c diff | blob | history
Domain: System / Kernel;