Re: [PATCH 4 of 5] virtio: avoid modulus operation
From: Pekka Enberg
Date: Thu Nov 03 2011 - 03:51:19 EST
On Thu, Nov 3, 2011 at 9:42 AM, Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote:
> 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@xxxxxxxxxxxxxxx>
> ---
> drivers/virtio/virtio_ring.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
> --- a/arch/x86/lguest/boot.c
> +++ b/arch/x86/lguest/boot.c
> @@ -1420,7 +1420,7 @@ __init void lguest_init(void)
> add_preferred_console("hvc", 0, NULL);
>
> /* Register our very early console. */
> - virtio_cons_early_init(early_put_chars);
> +// virtio_cons_early_init(early_put_chars);
What's this hunk here?
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