projects / qemu.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 0d9d86f) | patch
virtio-blk: suppress virtqueue kick during processing
authorStefan Hajnoczi <stefanha@redhat.com>
Thu, 1 Dec 2016 19:26:46 +0000 (19:26 +0000)
committerStefan Hajnoczi <stefanha@redhat.com>
Tue, 3 Jan 2017 16:38:49 +0000 (16:38 +0000)
commit9ef9d40261cc05c01545f46b49dddfe39602e1c8
tree751648e1ce32ef238a790f62a41c72727e8d255ftree | snapshot
parent0d9d86fb4df4882ba4ad9968efe81eca1c7b7c90commit | diff
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>
hw/block/virtio-blk.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.