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List:       linux-arm-kernel
Subject:    Re: [CFT] Mark IO as bufferable
From:       Olav Kongas <ok () artecdesign ! ee>
Date:       2005-06-28 15:12:16
Message-ID: Pine.LNX.4.63.0506281806330.14000 () pcx
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On Mon, 27 Jun 2005, Russell King - ARM Linux wrote:

> Can people please test out the effect of this change.  Potentially it
> should get slightly better IO performance.  Or it could prevent the
> kernel booting.
> 
> Please let me know what CPUs it works / does not work with, and
> also the outcome of the write buffer test on a kernel without this
> patch applied.  IOW, the line starting:
> 
> 	CPU: Testing write buffer coherency

For Sharp's LH7A400 2.6.12-rc3:

CPU: ARM922Tid(wb) [41029220] revision 0 (ARMv4T)
...
CPU: Testing write buffer coherency: ok

Let me know, if you want your patch tested with a newer 
kernel; I'm going to upgrade to 2.6.12 this week.

Olav


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