Re: [2.6.22 PATCH 22/26] dm: bio list helpers

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Subject: Re: [2.6.22 PATCH 22/26] dm: bio list helpers
From: Andi Kleen <andi@xxxxxxxxxxxxxx>
Date: 10 May 2007 15:41:38 +0200
Cc: Heinz Mauelshagen <hjm@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Alasdair G Kergon <agk@xxxxxxxxxx>
In-reply-to: <20070508174159.7d78a275.akpm@xxxxxxxxxxxxxxxxxxxx>
References: <20070508194845.GC24114@xxxxxxxxxxxxxxxxxx> <20070508174159.7d78a275.akpm@xxxxxxxxxxxxxxxxxxxx>
Reply-to: device-mapper development <dm-devel@xxxxxxxxxx>
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3

Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> writes:
> 
> I have this vague memory from a long time ago that one particular CPU type
> wants to go oops when prefetching from an invalid address.

AMD K7/K8, but we got a generic workaround for a long time.

-Andi

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References:
- [2.6.22 PATCH 22/26] dm: bio list helpers
  - From: Alasdair G Kergon
- Re: [2.6.22 PATCH 22/26] dm: bio list helpers
  - From: Andrew Morton

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