linux-kernel - Re: [PATCH RFC 0/7] x86: convert ticketlocks to C and remove duplicate code

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Date:	Wed, 22 Jun 2011 14:35:50 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Nick Piggin <npiggin@...nel.dk>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH RFC 0/7] x86: convert ticketlocks to C and remove duplicate
 code

On 06/22/2011 02:07 PM, H. Peter Anvin wrote:
> For x86, we support 3.4, 4.0 and 4.1.2 and above (not sure if 4.0.x
> actually works).  Other architectures have different rules.  At some
> point we'll probably drop anything below 4.1.2, but we apparently can't yet.

Looks like the intrinsics turned up in 4.1.0.

    J
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