]> git.karo-electronics.de Git - karo-tx-linux.git/commit
projects / karo-tx-linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: a0371cc) | patch
virtio: avoid modulus operation.
authorRusty Russell <rusty@rustcorp.com.au>
Mon, 14 Nov 2011 23:07:38 +0000 (10:07 +1100)
committerStephen Rothwell <sfr@canb.auug.org.au>
Mon, 14 Nov 2011 23:10:06 +0000 (10:10 +1100)
commit97985861e1e08c8cc82da08ada98b0ea1ebc17b2
tree3921c787067b5dd555ec6d017af8da1f6b86fe32tree | snapshot
parenta0371cc1b8d7dea8edf1f16c28e2ae2182504687commit | diff
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>
drivers/virtio/virtio_ring.c diff | blob | history
Linux kernel for KaRo TX COM modules