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From: Rusty Russell <rusty@rustcorp.com.au>
To: Pekka Enberg <penberg@kernel.org>
Cc: mst@redhat.com, Christoph Hellwig <hch@infradead.org>,
	virtualization <virtualization@lists.linux-foundation.org>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4 of 5] virtio: avoid modulus operation
Date: Thu, 03 Nov 2011 20:48:17 +1030	[thread overview]
Message-ID: <87r51pse52.fsf@rustcorp.com.au> (raw)
In-Reply-To: <CAOJsxLEt6_y7jw0bRsaita4gfb2k+BAQMeRLs9PcHntGVSFvaQ@mail.gmail.com>

On Thu, 3 Nov 2011 09:51:15 +0200, Pekka Enberg <penberg@kernel.org> wrote:
> On Thu, Nov 3, 2011 at 9:42 AM, Rusty Russell <rusty@rustcorp.com.au> 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@rustcorp.com.au>
> > ---
> >  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?

Ugly workaround for console until hvc_console breakage gets reverted.

Left in by mistake :)

Thanks,
Rusty.

  reply	other threads:[~2011-11-03 10:42 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <patchbomb.1320306168@localhost6.localdomain6>
2011-11-03  7:42 ` [PATCH 1 of 5] virtio: document functions better Rusty Russell
2011-11-03  7:49   ` Christoph Hellwig
2011-11-03  7:42 ` [PATCH 2 of 5] virtio: rename virtqueue_add_buf_gfp to virtqueue_add_buf Rusty Russell
2011-11-03  7:50   ` Christoph Hellwig
2011-11-03  7:42 ` [PATCH 3 of 5] virtio: support unlocked queue kick Rusty Russell
2011-11-03  7:52   ` Christoph Hellwig
2011-11-04 10:09     ` Stefan Hajnoczi
2011-11-04 10:36     ` Rusty Russell
2011-11-03  7:42 ` [PATCH 4 of 5] virtio: avoid modulus operation Rusty Russell
2011-11-03  7:51   ` Pekka Enberg
2011-11-03 10:18     ` Rusty Russell [this message]
2011-11-03  7:42 ` [PATCH 5 of 5] virtio: expose added descriptors immediately Rusty Russell
2011-11-13 21:03   ` Michael S. Tsirkin
2011-11-14  0:43     ` Rusty Russell
2011-11-14  6:56     ` Michael S. Tsirkin
2011-11-16  0:21       ` Rusty Russell
2011-11-16  7:18         ` Michael S. Tsirkin
2011-11-21  1:48           ` Rusty Russell
2011-11-21 11:57             ` Michael S. Tsirkin
2011-11-22  0:33               ` Rusty Russell
2011-11-22  6:29                 ` Michael S. Tsirkin
2011-11-23  1:19                   ` Rusty Russell
2011-11-23  8:30                     ` Michael S. Tsirkin
2012-07-01  9:20   ` RFD: virtio balloon API use (was Re: [PATCH 5 of 5] virtio: expose added descriptors immediately) Michael S. Tsirkin
2012-07-02  1:05     ` Rusty Russell
2012-07-02  7:25       ` Michael S. Tsirkin
2012-07-02 16:08         ` Rafael Aquini
2012-07-03  0:47           ` Rusty Russell
2012-07-03 16:26             ` Rafael Aquini
2012-07-04 10:55             ` Michael S. Tsirkin
2012-07-08 23:39               ` Rusty Russell
2012-07-04 10:55           ` Michael S. Tsirkin
2012-07-02  7:33       ` [PATCH RFC] virtio-balloon: fix add/get API use Michael S. Tsirkin
2012-07-04  3:27         ` Rusty Russell

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