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Message-ID: <20080321142919.GD31719@elte.hu>
Date: Fri, 21 Mar 2008 15:29:19 +0100
From: Ingo Molnar <mingo@...e.hu>
To: "H. Peter Anvin" <hpa@...or.com>
Cc: yhlu.kernel@...il.com, Andrew Morton <akpm@...ux-foundation.org>,
kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86_64: early memtest to find bad ram
* H. Peter Anvin <hpa@...or.com> wrote:
>> very nice patch! I always thought that this was the proper way to do
>> memtest - and we could in fact also do something like this after SMP
>> bringup, and hit the memory bus via multiple CPUs. [that will need a
>> different enumeration though than e820 maps]
>>
>> one structural observation: please make this unified functionality,
>> so that 32-bit kernels can make use of it too.
>>
>
> Indeed. Of course, it would also be nice if distros shipped
> bootloader-invoked prekernel test software, like memtest86+, by
> default.
some do (Fedora for example), but it's still a bit quirky for users to
invoke and it would be nice to see those results in the kernel log as
well and flag possibly flaky systems that way. (add a taint bit, etc.,
etc.)
Ingo
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