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    SubjectRe: Illegal use of reserved word in system.h
    On Thu, May 19, 2005 at 01:42:28AM +0200, Andi Kleen wrote:
    > "Gilbert, John" <> 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

    > -Andi



    "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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