Messages in this thread | | | Date | Mon, 17 Dec 2007 13:40:23 +0100 | From | Adrian Bunk <> | Subject | Re: RFC: remove __read_mostly |
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On Mon, Dec 17, 2007 at 01:15:56PM +0100, Andi Kleen wrote: > > So... once we've moved all read-mostly variables into __read_mostly, what > > is left behind in bss? > > I had already covered that in the next paragraph which you conveniently > snipped :) > > Anyways I suspect the right solution for that would be more classes > of variables for even better grouping. >...
Is there any way to tell gcc that it's still allowed to omit the variable when it's able to prove it's read-only?
My basic fear with all the __read_mostly, immediate values,... stuff is that it might interfere with gcc optimizations.
> -Andi
cu Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed
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