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

From: Arnd Bergmann
Date: Thu Aug 09 2007 - 13:10:38 EST


On Thursday 09 August 2007, Chris Snook wrote:
> a) chicken and egg: asm-generic/atomic.h depends on definitions in asm/atomic.h

Ok, I see.

> If you can find a way to reshuffle the code and make it simpler, I personally am
> all for it. I'm skeptical that you'll get much to show for the effort.

I guess it could be done using more macros or new headers, but I don't see
a way that would actually improve the situation.

> b) The definitions aren't precisely identical between all architectures, so it
> would be a mess of special cases, which gets us right back to where we are now.

Why are they not identical? Anything beyond the 32/64 bit difference should
be the same afaics, or it might cause more bugs.

Arnd <><
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