linux-kernel - Re: [LKML] Re: + x86-fix-handling-of-the-reservetop-boot-option.patch added to -mm tree

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Date:	Fri, 9 Apr 2010 08:28:09 +0800
From:	Liang Li <liang.li@...driver.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	Yinghai <yinghai.lu@...cle.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	akpm@...ux-foundation.org, hpa@...or.com, mingo@...e.hu,
	tglx@...utronix.de, wangchen@...fujitsu.com,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [LKML] Re: +
 x86-fix-handling-of-the-reservetop-boot-option.patch added to -mm tree

On Thu, Apr 08, 2010 at 02:38:06PM -0400, Konrad Rzeszutek Wilk wrote:
> On Thu, Apr 08, 2010 at 11:03:22AM -0700, Yinghai wrote:
> > On 04/08/2010 10:12 AM, Jeremy Fitzhardinge wrote:
> > > On 04/08/2010 01:58 AM, Liang Li wrote:
> > >>>     
> > >> When linux as vmi/xen/lguest guest OS, kernel call reserve_top_address
> > >> before start_kernel. It is far before the start_kernel hence far before
> > >> setup_arch->early_ioremap_init. So it is unsafe to place
> > >> fixup_early_ioremap inside reserve_top_address. So I think the patch
> > >> should be:
> > >>   
> > > 
> > > Yes indeed.  That looks better.
> > > 
> > > Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
> 
> I've also tested it today as PV Xen guest:
> 
> Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>

Thanks all. Updated patch will be sent out soon.

Best regards,
	 	-Liang Li

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