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SubjectRe: [PATCH 0/24] make atomic_read() behave consistently across all architectures
On Tue, Aug 21, 2007 at 06:51:16PM -0400, Valdis.Kletnieks@vt.edu wrote:
> On Tue, 21 Aug 2007 09:16:43 PDT, "Paul E. McKenney" said:
>
> > I agree that instant gratification is hard to come by when synching
> > up compiler and kernel versions. Nonetheless, it should be possible
> > to create APIs that are are conditioned on the compiler version.
>
> We've tried that, sort of. See the mess surrounding the whole
> extern/static/inline/__whatever boondogle, which seems to have
> changed semantics in every single gcc release since 2.95 or so.
>...

There is exactly one semantics change in gcc in this area, and that is
the change of the "extern inline" semantics in gcc 4.3 to the
C99 semantics.

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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