linux-kernel - Re: [PATCH 09/10] x86-32: use SSE for atomic64

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Message-ID: <ff13bc9a1002181143n1b0220bfje3579b3a5601fc01@mail.gmail.com>
Date:	Thu, 18 Feb 2010 20:43:10 +0100
From:	Luca Barbieri <luca@...a-barbieri.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Andi Kleen <andi@...stfloor.org>, mingo@...e.hu,
	a.p.zijlstra@...llo.nl, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/10] x86-32: use SSE for atomic64_read/set if available

> We don't care about 486 SMP.  And yes, I think it is a better option.
> At least an assembly option, once implemented, will *stay* implemented
> and won't break due to some obscure gcc change.

After looking at it a bit more I fully agree: I'll resubmit with a
cli/popf assembly implementation and without the SSE code (which can
be done later if desired).
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