On Thu, Jul 07, 2011 at 04:08:40AM -0700, David Miller wrote: > From: Shirley Ma <mashi...@us.ibm.com> > Date: Wed, 06 Jul 2011 15:15:25 -0700 > > > This patchset add supports for TX zero-copy between guest and host > > kernel through vhost. It significantly reduces CPU utilization on the > > local host on which the guest is located (It reduced about 50% CPU usage > > for single stream test on the host, while 4K message size BW has > > increased about 50%). The patchset is based on previous submission and > > comments from the community regarding when/how to handle guest kernel > > buffers to be released. This is the simplest approach I can think of > > after comparing with several other solutions. > > > > This patchset has integrated V3 review comments from community: > > I'm personally fine with this patch set. Unless there are others > who object, please fix the use-after-free bug I reported, respin > the patch set, and I'll apply it. > > Thanks.
There's the FIXME in patch 4 where it spins in vhost waiting for the pages to get freed. I'm fixing that up as Shirley's on vacation. Apply patches 1-3 for now? -- MST -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
