Messages in this thread | | | Date | Wed, 23 Dec 2009 11:08:24 +0900 | From | Tejun Heo <> | Subject | Re: [this_cpu_xx V8 09/16] Allow arch to provide inc/dec functionality for each size separately |
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Hello, Christoph.
On 12/23/2009 12:56 AM, Christoph Lameter wrote: > On Mon, 21 Dec 2009, Tejun Heo wrote: > >> On 12/19/2009 07:26 AM, Christoph Lameter wrote: >>> Current this_cpu ops only allow an arch to specify add RMW operations or inc >>> and dec for all sizes. Some arches can do more efficient inc and dec >>> operations. Allow size specific override of fallback functions like with >>> the other operations. >> >> Wouldn't it be better to use __builtin_constant_p() and switching in >> arch add/dec macros? It just seems a bit extreme to define all those > > Yes that could be done but I am on vacation till next year ;-)...
I'm not sure how much I would be working from now till the end of the year but if I end up doing some work I'll give it a shot.
Happy holidays and enjoy your vacation!
-- tejun
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