Re: [Qemu-devel] [PATCH] virtio-scsi: Add virtqueue_size parameter allowing virtqueue size to be set.

2017-08-11 Thread Stefan Hajnoczi
On Thu, Aug 10, 2017 at 05:52:55PM +0100, Richard W.M. Jones wrote: > Since Linux switched to blk-mq as the default in Linux commit > 5c279bd9e406 ("scsi: default to scsi-mq"), virtio-scsi LUNs consume > about 10x as much guest kernel memory. > > This commit allows you to choose the virtqueue size

Re: [Qemu-devel] [PATCH] virtio-scsi: Add virtqueue_size parameter allowing virtqueue size to be set.

2017-08-10 Thread Michael S. Tsirkin
On Thu, Aug 10, 2017 at 05:52:55PM +0100, Richard W.M. Jones wrote: > Since Linux switched to blk-mq as the default in Linux commit > 5c279bd9e406 ("scsi: default to scsi-mq"), virtio-scsi LUNs consume > about 10x as much guest kernel memory. > > This commit allows you to choose the virtqueue size