Re: [PATCH] vhost: fix performance on LE hosts
From: Michael S. Tsirkin
Date: Tue Oct 27 2015 - 11:52:43 EST
On Tue, Oct 27, 2015 at 06:32:55AM -0700, David Miller wrote:
> From: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
> 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@xxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> 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
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