Re: [RFC PATCH 3/5] x86: add a sysctl parameter to panic on stackoverflow

[H. Peter Anvin]

On 11/17/2011 08:00 AM, Konrad Rzeszutek Wilk wrote:
>>
>> I don't mind if I add __read_mostly here, but I think it's not
>> necessary because this variable is seldom read as well.
> 
> The definition of __read_mostly is that it moves this variable to a cold cache area.
> Which is what you want.
> 

Not really.  __read_mostly moves a variable to an area that is expected
to spent most its time in the cache-shared state and rarely be
invalidated.  It does NOT mean that it is cold.

	-hpa

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

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