Thread (305 messages) 305 messages, 27 authors, 2007-09-11

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

From: Arnd Bergmann <arnd@arndb.de>
Date: 2007-08-09 17:10:36
Also in: linux-arch, lkml

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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