Re: 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_sub_and_test

[Alex Zarochentsev]

On Mon, Sep 13, 2004 at 03:58:37PM +0100, Hugh Dickins wrote:
> On Mon, 13 Sep 2004, Roman Zippel wrote:
> > 
> > So why not add the missing atomic_sub_and_test() (using simply 
> > atomic_sub_return)?
> 
> sparc and s390 are not the only arches lacking atomic_sub_and_test.
> 
> Go ahead and send the patches changing all the arches that have it to
> define __ARCH_HAS_ATOMIC_SUB_AND_TEST, and add asm-generic/atomic.h
> for those that don't etc; but to me that seems like a waste of time -
> unless Zam convinces us that Reiser4 will need every last ounce of

I do not, Hans will ;-)

I just like to know what atomic.h common functions would be in 2.6.9+, because
nowdays the API is not consisent accross the arches. 

atomic_sub_return() is OK.

> cpu on this particular line of code.
> 
> Hugh

-- 
Alex.
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