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David Vrabel authored
commit dbdd74763f1faf799fbb9ed30423182e92919378 upstream. This reverts commit 2c3fc8d26dd09b9d7069687eead849ee81c78e46. This commit broke on x86 PV because entries in the generic SWIOTLB are indexed using (pseudo-)physical address not DMA address and these are not the same in a x86 PV guest. Signed-off-by: David Vrabel <david.vrabel@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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