Re: [Xen-devel] [PULL 3/3] xen-disk: add support for multi-page shared rings

2017-07-26 Thread Olaf Hering
On Tue, Jun 27, Stefano Stabellini wrote: > From: Paul Durrant > The blkif protocol has had provision for negotiation of multi-page shared > rings for some time now and many guest OS have support in their frontend > drivers. > +++ b/hw/block/xen_disk.c > +domids = g_malloc0_n(blkdev->nr_rin

[Xen-devel] [PULL 3/3] xen-disk: add support for multi-page shared rings

2017-06-27 Thread Stefano Stabellini
From: Paul Durrant The blkif protocol has had provision for negotiation of multi-page shared rings for some time now and many guest OS have support in their frontend drivers. This patch makes the necessary modifications to xen-disk support a shared ring up to order 4 (i.e. 16 pages). Signed-off