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Date: Wed, 10 Feb 2010 13:41:41 -0500
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: Kumar Gala <galak@kernel.crashing.org>
Subject: Re: [PATCH] powerpc: Use lwarx hint bit in spinlocks
Message-ID: <20100210184141.GC16178@zod.rchland.ibm.com>
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Cc: Anton Blanchard <anton@samba.org>, linuxppc-dev@ozlabs.org
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On Wed, Feb 10, 2010 at 09:40:34AM -0600, Kumar Gala wrote:
>> In the off chance that someone actually does an SMP 44x, I think the hint bit
>> here would just be ignored (I could test possibly if we want to verify).
>> However, I thought the FSL parts didn't like toggling the reserved bits and
>> those already are SMP in some cases.
>> 
>> Kumar?
>> 
>> josh
>
>Yeah, I need to test this on some older SMP parts that didn't treated reserved bits being set in the opcode as ignored but illegal.

It looks like Anton just did a v2 of the patch targeted at ppc64 instead.

josh