linux-kernel - Re: Comments on UV tlb flushing

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Date:	Tue, 29 Jul 2008 11:25:37 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Yinghai Lu <yhlu.kernel@...il.com>
CC:	Cliff Wickman <cpw@....com>, Nick Piggin <nickpiggin@...oo.com.au>,
	steiner@....com, mingo@...e.hu, linux-kernel@...r.kernel.org
Subject: Re: Comments on UV tlb flushing

Yinghai Lu wrote:
> On Tue, Jul 29, 2008 at 7:43 AM, Jeremy Fitzhardinge <jeremy@...p.org> wrote:
>   
>> Cliff Wickman wrote:
>>     
>>> I think that the Linux distributions are not going to build a special
>>> UV kernel, are they?  So every distro would have to be prompted to turn on
>>> CONFIG_X86_UV, or else their kernel is not going to boot on UV.
>>>
>>>       
>> Distros will generally turn on everything.  You could have it on by default
>> if the kernel is built for CONFIG_X86_GENERICARCH which enables support for
>> other big numa configurations.  I think distros generally build with that
>> enabled anyway.
>>     
>
> config X86_GENERICARCH
>        bool "Generic architecture"
>         depends on X86_32
>   

Ah, overlooked that.

OK, well, either way it still needs to be a separate config option.

    J
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