]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commite459258e899067407b2e3b33a421b27009c90b1e
tree7580908e53fb78ddc20945075d7f25408a6325fb
parent15ed5a6bff36c6d9ca3e70e7c558b73831bcba05
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