| commit | 9ef9d40261cc05c01545f46b49dddfe39602e1c8 | |
| author | Stefan Hajnoczi <stefanha@redhat.com> | |
| Thu, 1 Dec 2016 19:26:46 +0000 (1 19:26 +0000) | ||
| committer | Stefan Hajnoczi <stefanha@redhat.com> | |
| Tue, 3 Jan 2017 16:38:49 +0000 (3 16:38 +0000) | ||
| tree | 751648e1ce32ef238a790f62a41c72727e8d255f | treesnapshot (tar.gz zip) |
| parent | 0d9d86fb4df4882ba4ad9968efe81eca1c7b7c90 | commitdiff |
virtio-blk: suppress virtqueue kick during processing
The guest does not need to kick the virtqueue while we are processing
it. This reduces the number of vmexits during periods of heavy I/O.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20161201192652.9509-8-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The guest does not need to kick the virtqueue while we are processing
it. This reduces the number of vmexits during periods of heavy I/O.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20161201192652.9509-8-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
| hw/block/virtio-blk.c | diffblobblamehistory |