commit | 9d830d47c7a756da6f0b55fa25d51eec0739eb02 | [log] [tgz] |
---|---|---|
author | Alex Williamson <alex.williamson@redhat.com> | Wed Feb 26 11:38:40 2014 -0700 |
committer | Alex Williamson <alex.williamson@redhat.com> | Wed Feb 26 11:38:40 2014 -0700 |
tree | 3f40dbe93c1b0120246eab829f33490a127e336c | |
parent | 88d7ab8949427f492c39f6daf0ac67f0242a88bc [diff] |
kvm/vfio: Support for DMA coherent IOMMUs VFIO now has support for using the IOMMU_CACHE flag and a mechanism for an external user to test the current operating mode of the IOMMU. Add support for this to the kvm-vfio pseudo device so that we only register noncoherent DMA when necessary. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Cc: Gleb Natapov <gleb@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com>