From: Rusty Russell <rusty@rustcorp.com.au>
Date: Thu, 12 Jan 2012 05:14:43 +0000 (+1030)
Subject: virtio: avoid modulus operation.
X-Git-Tag: v3.3-rc1~85^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b720b8c865098c49c1570b6b5c7832bcfa6e6c2;p=pandora-kernel.git

virtio: avoid modulus operation.

Since we know vq->vring.num is a power of 2, modulus is lazy (it's asserted
in vring_new_virtqueue()).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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