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From: Anthony Liguori <anthony-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
To: Hollis Blanchard <hollisb-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Cc: rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org,
	kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	kvm-ppc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	kvm-ia64-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] virtio: Define and use per-architecture "pfn shift" constants
Date: Thu, 06 Nov 2008 14:07:38 -0600	[thread overview]
Message-ID: <49134E8A.3030303@codemonkey.ws> (raw)
In-Reply-To: <f58566dfe20e841604e1.1225946982-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>

Hollis Blanchard wrote:
> # HG changeset patch
> # User Hollis Blanchard <hollisb-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
> # Date 1225946980 21600
> # Node ID f58566dfe20e841604e1377ff41e9e0501c1cf18
> # Parent  f776b102380286dd173a3b89f7dc976140812517
> virtio: Define and use per-architecture "pfn shift" constants
>
> Both sides of the virtio interface must agree about how big a pfn really is.
> This is particularly an issue on architectures where the page size is
> configurable (e.g. PowerPC, IA64) -- the interface must be independent of
> PAGE_SHIFT.
>
> This patch should have no functional effect on x86 or ia64, but an ack from the IA64 guys
> would be good because I'm not clear on their page size requirements.
>
> Signed-off-by: Hollis Blanchard <hollisb-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
>
>   

This is missing a fix for virtio-balloon.

Regards,

Anthony Liguori


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      parent reply	other threads:[~2008-11-06 20:07 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-06  4:49 [PATCH] virtio: Define and use per-architecture "pfn shift" constants Hollis Blanchard
2008-11-06  4:54 ` Hollis Blanchard
2008-11-06 13:59 ` Anthony Liguori
     [not found] ` <f58566dfe20e841604e1.1225946982-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-11-06 10:49   ` Mark McLoughlin
2008-11-06 15:50     ` Hollis Blanchard
     [not found]       ` <1225986626.8620.28.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-11-06 16:22         ` Anthony Liguori
2008-11-06 20:07   ` Anthony Liguori [this message]

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