linux-kernel - Re: [PATCH] virtio-mmio: Correct the name of the guest features selector

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Date:	Wed, 16 Nov 2011 11:15:14 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Pawel Moll <pawel.moll@....com>,
	Sasha Levin <levinsasha928@...il.com>
Cc:	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"virtualization\@lists.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>
Subject: Re: [PATCH] virtio-mmio: Correct the name of the guest features selector

On Tue, 15 Nov 2011 14:25:22 +0000, Pawel Moll <pawel.moll@....com> wrote:
> On Tue, 2011-11-15 at 14:17 +0000, Sasha Levin wrote:
> > Guest features selector spelling mistake.
> >
> > diff --git a/include/linux/virtio_mmio.h b/include/linux/virtio_mmio.h
> > index 27c7ede..5c7b6f0 100644
> > --- a/include/linux/virtio_mmio.h
> > +++ b/include/linux/virtio_mmio.h
> > @@ -63,7 +63,7 @@
> >  #define VIRTIO_MMIO_GUEST_FEATURES	0x020
> >  
> >  /* Activated features set selector - Write Only */
> > -#define VIRTIO_MMIO_GUEST_FEATURES_SET	0x024
> > +#define VIRTIO_MMIO_GUEST_FEATURES_SEL	0x024
> >  
> >  /* Guest's memory page size in bytes - Write Only */
> >  #define VIRTIO_MMIO_GUEST_PAGE_SIZE	0x028
> 
> Damn. Sorry about it. But if you change the header you'll need to change
> the driver:
> 
> diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
> index 1f25bb9..10bb8b9 100644
> --- a/drivers/virtio/virtio_mmio.c
> +++ b/drivers/virtio/virtio_mmio.c
> @@ -161,7 +161,7 @@ static void vm_finalize_features(struct virtio_device *vdev)
>         vring_transport_features(vdev);
>  
>         for (i = 0; i < ARRAY_SIZE(vdev->features); i++) {
> -               writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SET);
> +               writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
>                 writel(vdev->features[i],
>                                 vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
>         }

Rolled together and applied.

Thanks,
Rusty.
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