From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 20 Mar 2013 03:20:14 +0000 (+1030)
Subject: vringh: host-side implementation of virtio rings.
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~63^2~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f87d0fbb579818fed3eeb0923cc253163ab93039;p=pandora-kernel.git

vringh: host-side implementation of virtio rings.

Getting use of virtio rings correct is tricky, and a recent patch saw
an implementation of in-kernel rings (as separate from userspace).

This abstracts the business of dealing with the virtio ring layout
from the access (userspace or direct); to do this, we use function
pointers, which gcc inlines correctly.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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