linux-kernel - Re: [PATCH] x86_64: early memtest to find bad ram

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Date:	Tue, 25 Mar 2008 12:00:40 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86_64: early memtest to find bad ram


* Yinghai Lu <yhlu.kernel@...il.com> wrote:

> On Sat, Mar 22, 2008 at 5:04 AM, Ingo Molnar <mingo@...e.hu> wrote:
> >
> >  * Yinghai Lu <yhlu.kernel@...il.com> wrote:
> >
> >  > >  one structural observation: please make this unified functionality,
> >  > >  so that 32-bit kernels can make use of it too.
> >  >
> >  > that will need to use PAE to switch 2G windows ....
> >
> >  well, please try some non-PAE, checks-direct-mappings approach - if 
> >  someone wants to extend it to the highmem bits i'm sure it will be 
> >  done.
> 
> OK, First need to move some early_res code from e820_64.c to e820_32.c

yeah, please do that.

> or we can start to merge them. anyone is working on that?

not that i know of - feel free.

	Ingo
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