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(parent: b0fbd70) | patch
virtio: avoid modulus operation.
authorRusty Russell <rusty@rustcorp.com.au>
Sun, 4 Dec 2011 23:33:29 +0000 (10:33 +1100)
committerStephen Rothwell <sfr@canb.auug.org.au>
Sun, 4 Dec 2011 23:33:29 +0000 (10:33 +1100)
commitb63f090a95b5430c158b2c002678ce56519d0ff2
treebc163104ab8d8bb04ccba7d31375ee9304187bb6tree | snapshot
parentb0fbd70c98242fe16753b26fdd45aaede02a3234commit | 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