Re: [PATCH RFC 0/7] x86: convert ticketlocks to C and remove duplicatecode

From: Jeremy Fitzhardinge
Date: Wed Jun 22 2011 - 17:35:56 EST

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.

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