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

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Message-ID: <20100408183806.GA30940@phenom.dumpdata.com>
Date:	Thu, 8 Apr 2010 14:38:06 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Yinghai <yinghai.lu@...cle.com>
Cc:	Liang Li <liang.li@...driver.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 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>
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