Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures

From: Valdis . Kletnieks
Date: Tue Aug 21 2007 - 18:54:00 EST


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.

And recently mention was made that gcc4.4 will have *new* semantics
in this area. Yee. Hah.





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