On Thu, Nov 29, 2012 at 06:34:46PM +0530, Amit Shah wrote: > On (Wed) 28 Nov 2012 [23:53:08], Michael S. Tsirkin wrote: > > On Tue, Nov 27, 2012 at 06:25:04PM +0200, Michael S. Tsirkin wrote: > > > On Thu, Nov 01, 2012 at 06:07:21PM +0200, Michael S. Tsirkin wrote: > > > > Commit 0d8d7690850eb0cf2b2b60933cf47669a6b6f18f introduced > > > > a regression in virtio-net performance because it looks > > > > into the ring aggressively while we really only care > > > > about a single packet worth of buffers. > > > > To fix, add parameters limiting lookahead, and > > > > use in virtqueue_avail_bytes. > > > > > > > > Signed-off-by: Michael S. Tsirkin <m...@redhat.com> > > > > Reported-by: Edivaldo de Araujo Pereira <edivaldoapere...@yahoo.com.br> > > > > > > Ping. > > > Anthony - going to apply this? > > > > virtio rng was added since so naturally build broke. > > Here's a patch on top to fix it up. I never used virtio rng before so > > could not test at this hour, but it does fix the build. > > > > I'll take a look at how to test it tomorrow but any > > info would be appreciated. > > Amit could you pls review? > > Looks fine, I assume you will send a v2 of the patch to Anthony? > > Amit
Anthony volunteered to test this so there will only be v2 if he sees problems.
