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| author | Stefan Hajnoczi | 2016-12-01 20:26:50 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi | 2017-01-03 17:38:50 +0100 |
| commit | a7c8215e3bbcdd3b5dbaabfcecf236d4a9880558 (patch) | |
| tree | 055e226ce13776bee8762a93f36a31bb081fb31e /trace-events | |
| parent | aio: add .io_poll_begin/end() callbacks (diff) | |
| download | qemu-a7c8215e3bbcdd3b5dbaabfcecf236d4a9880558.tar.gz qemu-a7c8215e3bbcdd3b5dbaabfcecf236d4a9880558.tar.xz qemu-a7c8215e3bbcdd3b5dbaabfcecf236d4a9880558.zip | |
virtio: disable virtqueue notifications during polling
This is a performance optimization to eliminate vmexits during polling.
It also avoids spurious ioeventfd processing after polling ends.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20161201192652.9509-12-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'trace-events')
0 files changed, 0 insertions, 0 deletions