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(parent: d5df748) | patch
virtio: avoid modulus operation.
authorRusty Russell <rusty@rustcorp.com.au>
Thu, 12 Jan 2012 05:14:43 +0000 (15:44 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Thu, 12 Jan 2012 05:14:43 +0000 (15:44 +1030)
commit2715d8844f2f6dabb88e4c11df1bf895a29136b2
tree7580908e53fb78ddc20945075d7f25408a6325fbtree | snapshot
parentd5df7488b8ee05f587977eef0d1bb9c0e94e5cadcommit | 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
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