Re: [PATCH] vhost: fix performance on LE hosts

Michael S. Tsirkin
2015-10-27T15:52:40Z

On Tue, Oct 27, 2015 at 06:32:55AM -0700, David Miller wrote:
> From: "Michael S. Tsirkin" <mst@redhat.com>
> Date: Tue, 27 Oct 2015 11:37:39 +0200
>
> > commit 2751c9882b947292fcfb084c4f604e01724af804 ("vhost: cross-endian
> > support for legacy devices") introduced a minor regression: even with
> > cross-endian disabled, and even on LE host, vhost_is_little_endian is
> > checking is_le flag so there's always a branch.
> >
> > To fix, simply check virtio_legacy_is_little_endian first.
> >
> > Cc: Greg Kurz <gkurz@linux.vnet.ibm.com>
> > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
>
> Michael, do you want me to take this via the 'net' tree?

Sure - especially since it looks like I have nothing else for this merge
window (working on fixing shutdown races, but it's slow going). Thanks
a lot!

--
MST