Messages in this thread | | | Date | Thu, 19 May 2005 01:59:02 +0200 | From | Adrian Bunk <> | Subject | Re: Illegal use of reserved word in system.h |
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On Thu, May 19, 2005 at 01:42:28AM +0200, Andi Kleen wrote: > "Gilbert, John" <JGG@dolby.com> writes: > > > > I think it's been in there a while, but only really blows up when built > > > > under recent kernels. > > > > I agree, it's probably not the right way to go. > > It's quite dangerous. I suppose it uses this for atomic.h, but it > means that a mysql compiled under a uniprocessor kernel (or rather > with a autoconf.h of a uniprocessor kernel, it can even be SMP) will > have subtle races when run on a SMP system because the atomic > instructions will miss lock prefixes. Sounds like an open > deathtrap to me. >...
They work around this issue by doing
#ifndef CONFIG_SMP #define CONFIG_SMP #endif
> -Andi
cu Adrian
--
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