Subject: Re: [PATCH 1/6] powerpc: Use lwarx hint in spinlocks

From: Olof Johansson <[email-masked]>
Date: Mon, 15 Feb 2010 22:16:03 -0600

On Wed, Feb 10, 2010 at 09:57:28PM +1100, Anton Blanchard wrote:

> v2: We do this only for 64bit until we can verify all 32bit CPUs.
> 
> Tested so far: 970 (thanks Ben), POWER5, POWER6, POWER7
> Still to test: RS64, POWER3, POWER4

Tested on PA6T as well, no performance impact (as expected).

-Olof