Messages in this thread | | | Date | Mon, 13 Sep 2004 21:19:36 +0400 | From | Alex Zarochentsev <> | Subject | Re: 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_sub_and_test |
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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
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