Re: [patch 22/61] lock validator: add per_cpu_offset()

From: Ingo Molnar
Date: Fri Jun 23 2006 - 05:34:49 EST



* Andrew Morton <akpm@xxxxxxxx> wrote:

> > +#define per_cpu_offset(x) (__per_cpu_offset(x))
> > +
> > /* Separate out the type, so (int[3], foo) works. */
> > #define DEFINE_PER_CPU(type, name) \
> > __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name
>
> I can tell just looking at it that it'll break various builds.I assume
> that things still happen to compile because you're presently using it
> in code which those architectures don't presently compile.
>
> But introducing a "generic" function invites others to start using it.
> And they will, and they'll ship code which "works" but is broken,
> because they only tested it on x86 and x86_64.
>
> I'll queue the needed fixups - please check it.

[belated reply] They look good.

Ingo
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