From: "H. Peter Anvin" <hpa@zytor.com>
To: Stefan Assmann <sassmann@kpanic.de>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
akpm@linux-foundation.org, tony.luck@intel.com,
andi@firstfloor.org, mingo@elte.hu, rick@vanrein.org,
rdunlap@xenotime.net
Subject: Re: [PATCH v2 0/3] support for broken memory modules (BadRAM)
Date: Thu, 23 Jun 2011 09:30:37 -0700 [thread overview]
Message-ID: <4E036A2D.1060402@zytor.com> (raw)
In-Reply-To: <4E035DD1.1030603@kpanic.de>
On 06/23/2011 08:37 AM, Stefan Assmann wrote:
>
> According to Rick's reply in this thread a damaged row in a DIMM can
> easily cause a few thousand entries in the e820 table because it doesn't
> handle patterns. So the question I'm asking is, is it acceptable to
> have an e820 table with thousands maybe ten-thousands of entries?
> I really have no idea of the implications, maybe somebody else can
> comment on that.
>
Given that that is what actually ends up happening in the kernel at some
point anyway, I don't see why it would matter.
The bubble sort has to go, but quite frankly stress-testing the range
handling isn't a bad thing.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Stefan Assmann <sassmann@kpanic.de>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
akpm@linux-foundation.org, tony.luck@intel.com,
andi@firstfloor.org, mingo@elte.hu, rick@vanrein.org,
rdunlap@xenotime.net
Subject: Re: [PATCH v2 0/3] support for broken memory modules (BadRAM)
Date: Thu, 23 Jun 2011 09:30:37 -0700 [thread overview]
Message-ID: <4E036A2D.1060402@zytor.com> (raw)
In-Reply-To: <4E035DD1.1030603@kpanic.de>
On 06/23/2011 08:37 AM, Stefan Assmann wrote:
>
> According to Rick's reply in this thread a damaged row in a DIMM can
> easily cause a few thousand entries in the e820 table because it doesn't
> handle patterns. So the question I'm asking is, is it acceptable to
> have an e820 table with thousands maybe ten-thousands of entries?
> I really have no idea of the implications, maybe somebody else can
> comment on that.
>
Given that that is what actually ends up happening in the kernel at some
point anyway, I don't see why it would matter.
The bubble sort has to go, but quite frankly stress-testing the range
handling isn't a bad thing.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
--
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next prev parent reply other threads:[~2011-06-23 16:31 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-22 11:18 [PATCH v2 0/3] support for broken memory modules (BadRAM) Stefan Assmann
2011-06-22 11:18 ` Stefan Assmann
2011-06-22 11:18 ` [PATCH v2 1/3] Add string parsing function get_next_ulong Stefan Assmann
2011-06-22 11:18 ` Stefan Assmann
2011-06-22 11:18 ` [PATCH v2 2/3] support for broken memory modules (BadRAM) Stefan Assmann
2011-06-22 11:18 ` Stefan Assmann
2011-06-22 11:18 ` [PATCH v2 3/3] Add documentation and credits for BadRAM Stefan Assmann
2011-06-22 11:18 ` Stefan Assmann
2011-06-22 18:00 ` [PATCH v2 0/3] support for broken memory modules (BadRAM) Andrew Morton
2011-06-22 18:00 ` Andrew Morton
2011-06-22 18:06 ` Josh Boyer
2011-06-22 18:06 ` Josh Boyer
2011-06-22 18:09 ` Randy Dunlap
2011-06-22 18:09 ` Randy Dunlap
2011-06-22 18:11 ` Nancy Yuen
2011-06-22 18:11 ` Nancy Yuen
2011-06-22 18:13 ` H. Peter Anvin
2011-06-22 18:13 ` H. Peter Anvin
2011-06-22 19:01 ` Nancy Yuen
2011-06-22 19:01 ` Nancy Yuen
2011-06-22 19:06 ` H. Peter Anvin
2011-06-22 19:06 ` H. Peter Anvin
2011-06-22 18:24 ` Andi Kleen
2011-06-22 18:24 ` Andi Kleen
2011-06-22 18:38 ` Andrew Morton
2011-06-22 18:38 ` Andrew Morton
2011-06-22 18:56 ` Andi Kleen
2011-06-22 18:56 ` Andi Kleen
2011-06-22 19:05 ` H. Peter Anvin
2011-06-22 19:05 ` H. Peter Anvin
2011-06-22 19:15 ` Andi Kleen
2011-06-22 19:15 ` Andi Kleen
2011-06-22 20:25 ` H. Peter Anvin
2011-06-22 20:25 ` H. Peter Anvin
2011-06-22 20:28 ` Andi Kleen
2011-06-22 20:28 ` Andi Kleen
2011-06-22 19:46 ` [PATCH] x86: e820: Eliminate bubble sort from sanitize_e820_map Mike Ditto
2011-06-22 19:46 ` Mike Ditto
2011-06-22 20:18 ` [PATCH v2 0/3] support for broken memory modules (BadRAM) Stefan Assmann
2011-06-22 20:18 ` Stefan Assmann
2011-06-23 10:10 ` Rick van Rein
2011-06-23 10:10 ` Rick van Rein
2011-06-22 18:15 ` H. Peter Anvin
2011-06-22 18:15 ` H. Peter Anvin
2011-06-22 20:30 ` Stefan Assmann
2011-06-22 20:30 ` Stefan Assmann
2011-06-22 20:33 ` H. Peter Anvin
2011-06-22 20:33 ` H. Peter Anvin
2011-06-23 10:33 ` Rick van Rein
2011-06-23 10:33 ` Rick van Rein
2011-06-23 10:49 ` Rick van Rein
2011-06-23 10:49 ` Rick van Rein
2011-06-23 13:39 ` Matthew Garrett
2011-06-23 13:39 ` Matthew Garrett
2011-06-23 14:08 ` Stefan Assmann
2011-06-23 14:08 ` Stefan Assmann
2011-06-23 14:12 ` Matthew Garrett
2011-06-23 14:12 ` Matthew Garrett
2011-06-23 15:37 ` Stefan Assmann
2011-06-23 15:37 ` Stefan Assmann
2011-06-23 16:30 ` H. Peter Anvin [this message]
2011-06-23 16:30 ` H. Peter Anvin
2011-06-24 0:59 ` Andi Kleen
2011-06-24 0:59 ` Andi Kleen
2011-06-23 17:00 ` Andi Kleen
2011-06-23 17:00 ` Andi Kleen
2011-06-23 17:12 ` Luck, Tony
2011-06-23 17:12 ` Luck, Tony
2011-06-24 1:03 ` Craig Bergstrom
2011-06-24 1:08 ` Andi Kleen
2011-06-24 1:08 ` Andi Kleen
2011-06-24 1:22 ` Craig Bergstrom
2011-06-24 1:22 ` Craig Bergstrom
2011-06-24 8:05 ` Rick van Rein
2011-06-24 8:05 ` Rick van Rein
2011-06-24 14:34 ` Craig Bergstrom
2011-06-24 14:35 ` Craig Bergstrom
2011-06-24 16:16 ` H. Peter Anvin
2011-06-24 16:16 ` H. Peter Anvin
2011-06-24 16:40 ` Luck, Tony
2011-06-24 16:40 ` Luck, Tony
2011-06-24 16:56 ` Rick van Rein
2011-06-24 16:56 ` Rick van Rein
2011-06-24 17:14 ` H. Peter Anvin
2011-06-24 17:14 ` H. Peter Anvin
2011-06-24 1:09 ` Craig Bergstrom
[not found] <fa.fHPNPTsllvyE/7DxrKwiwgVbVww@ifi.uio.no>
2011-06-24 21:10 ` Shane Nay
2011-06-24 21:10 ` Shane Nay
2011-06-28 2:33 ` Craig Bergstrom
2011-06-28 2:33 ` Craig Bergstrom
2011-06-29 8:08 ` Rick van Rein
2011-06-29 8:08 ` Rick van Rein
2011-06-29 15:28 ` craig lkml
2011-06-29 16:06 ` Craig Bergstrom
2011-06-29 16:06 ` Craig Bergstrom
2011-06-29 21:24 ` Tony Luck
2011-06-29 21:24 ` Tony Luck
2011-06-29 15:29 ` craig lkml
2011-06-30 14:32 ` Jody Belka
2011-06-30 14:32 ` Jody Belka
-- strict thread matches above, loose matches on Subject: below --
2011-06-21 9:23 Stefan Assmann
2011-06-21 22:02 ` Andrew Morton
2011-06-22 11:11 ` Stefan Assmann
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