Erik Skultety
b44f35e2cf
docs: kbase: sev: Adjust the claims that virtio-blk doesn't work
...
Using virtio-blk with SEV on host kernels prior to 5.1 didn't work
because of SWIOTLB limitations and the way virtio has to use it over
DMA-API for SEV (see [1] for detailed info). That is no longer true, so
reword the kbase article accordingly.
For reference, these are the upstream kernel commits lifting the
virtio-blk limitation:
abe420bfae528c92bd8cc5ecb62dc95672b1fd6f
492366f7b4237257ef50ca9c431a6a0d50225aca
133d624b1cee16906134e92d5befb843b58bcf31
e6d6dd6c875eb3c9b69bb640419405726e6e0bbe
fd1068e1860e44aaaa337b516df4518d1ce98da1
[1] https://lore.kernel.org/linux-block/20190110134433.15672-1-joro@8bytes.org/
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
2021-01-11 14:44:15 +01:00
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