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[Xen-devel] Re: [PATCH] xen: drop anti-dependency on X86_VISWS

To: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH] xen: drop anti-dependency on X86_VISWS
From: "H. Peter Anvin" <hpa@xxxxxxxxx>
Date: Thu, 07 Apr 2011 10:00:21 -0700
Cc: "randy.dunlap@xxxxxxxxxx" <randy.dunlap@xxxxxxxxxx>, Jeremy Fitzhardinge <Jeremy.Fitzhardinge@xxxxxxxxxx>, "eric.dumazet@xxxxxxxxx" <eric.dumazet@xxxxxxxxx>, "konrad.wilk@xxxxxxxxxx" <konrad.wilk@xxxxxxxxxx>, "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>, "mirq-linux@xxxxxxxxxxxx" <mirq-linux@xxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "linux-visws-devel@xxxxxxxxxxxx" <linux-visws-devel@xxxxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx" <virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx>, "pazke@xxxxxxxxx" <pazke@xxxxxxxxx>, David Miller <davem@xxxxxxxxxxxxx>
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On 04/06/2011 11:58 PM, Ian Campbell wrote:
> I'm not sure why ELAN belongs in the EXTENDED_PLATFORM option space
> rather than in the CPU choice option, since its only impact seems to be
> on -march, MODULE_PROC_FAMILY and some cpufreq drivers which doesn't
> sound like an extended platform to me but does it appear to be
> deliberate (see 9e111f3e167a "x86: move ELAN to the
> NON_STANDARD_PLATFORM section", that was the old name for

Historic... we used to have nonstandard A20M# handling on Elan, until it
was discovered that we could make it work without it.


H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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