Re: [Qemu-devel] [PATCH] virtio-scsi: dataplane: suppress guest notification

2014-11-12 Thread Paolo Bonzini
On 12/11/2014 04:24, Ming Lei wrote: > This patch uses vring_should_notify() to suppress > guest notification, and looks notification frequency > can be decreased from ~33K/sec to ~2K/sec in my test > environment. > > Suggested-by: Stefan Hajnoczi > Signed-off-by: Ming Lei > --- > hw/scsi/vir

[Qemu-devel] [PATCH] virtio-scsi: dataplane: suppress guest notification

2014-11-11 Thread Ming Lei
This patch uses vring_should_notify() to suppress guest notification, and looks notification frequency can be decreased from ~33K/sec to ~2K/sec in my test environment. Suggested-by: Stefan Hajnoczi Signed-off-by: Ming Lei --- hw/scsi/virtio-scsi-dataplane.c |7 ++- 1 file changed, 6 in