linux-kernel - Re: [PATCH] paravirt_ops: Use unsigned long instead of u32 for alloc

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Message-Id: <1217455193.30348.341.camel@bodhitayantram.eng.vmware.com>
Date:	Wed, 30 Jul 2008 14:59:53 -0700
From:	Zachary Amsden <zach@...are.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Eduardo Habkost <ehabkost@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] paravirt_ops: Use unsigned long instead of u32 for
	alloc_p*() pfn args

On Wed, 2008-07-30 at 14:51 -0700, Jeremy Fitzhardinge wrote:
> Eduardo Habkost wrote:
> > This patch changes the pfn args from 'u32' to 'unsigned long'
> > on alloc_p*() functions on paravirt_ops, and the corresponding
> > implementations for Xen and VMI. The prototypes for CONFIG_PARAVIRT=n
> > are already using unsigned long, so paravirt.h now matches the prototypes
> > on asm-x86/pgalloc.h.
> >
> > It shouldn't result in any changes on generated code on 32-bit, with
> > or without CONFIG_PARAVIRT. On both cases, 'codiff -f' didn't show any
> > change after applying this patch.
> >
> > On 64-bit, there are (expected) binary changes only when CONFIG_PARAVIRT
> > is enabled, as the patch is really supposed to change the size of the
> > pfn args.
> >
> > Signed-off-by: Eduardo Habkost <ehabkost@...hat.com>
> >
> Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
> 
> Cc:ing Zach, since it touches vmi.

Thanks, looks good to me.  I always thought u32 is ugly type name anyway.

Acked-by: Zachary Amsden <zach@...are.com>

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