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Date:	Wed, 15 Nov 2006 10:49:00 -0800
From:	Jeremy Fitzhardinge <>
To:	Ingo Molnar <>
CC:	Arjan van de Ven <>,,,,,
	Ian Campbell <>
Subject: Re: i386 PDA patches use of %gs

Ingo Molnar wrote:
> but it does not actually use the 'normal usermode TLS selector' - it 
> only loads it.
> a meaningful test would be to allocate two selector values and load and 
> read+write memory through both of them.

Well, obviously in one case it would need to switch between
null/non-null/null.  But yes, good point about using the "usermode" %gs
each iteration.  I'll do some more tests.

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