Messages in this thread | | | Date | Tue, 6 Mar 2007 20:34:45 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH 8/8] Convert PDA into the percpu section |
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Sigh -- i had hoped this had settled down because it was a merging nightmare last time. Ok.
> +#define percpu_to_op(op,var,val) \ > + do { \ > + typedef typeof(var) T__; \ > + if (0) { T__ tmp__; tmp__ = (val); } \ > + switch (sizeof(var)) { \ > + case 1: \ > + asm(op "b %1,"__percpu_seg"%0" \ > + : "+m" (var) \ > + :"ri" ((T__)val)); \
Perhaps I'm blind but I can't see where the %fs reference is there. How does this work?
Do you have text size comparisons before/after and possible lmbench?
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