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

David Miller
2015-10-28T03:02:39Z

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>

Applied.