[PATCH] powerpc: Use lwarx hint bit in spinlocks
jwboyer at linux.vnet.ibm.com
Thu Feb 11 05:41:41 EST 2010
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.
>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.
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