Messages in this thread | | | Date | Thu, 14 Sep 2006 04:13:00 +1000 | From | Nick Piggin <> | Subject | Re: Why Semaphore Hardware-Dependent? |
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Christoph Lameter wrote: > On Thu, 14 Sep 2006, Nick Piggin wrote: > > >>Comments? > > > You only support 64k waiters. We have had cases of software failing > because more than 64k readers were waiting.
Oh really? OK I figured if ppc64 was OK then that would be enough, but your large Altix systems did slip my mind.
That is a fair criticism... atomic_long it will have to be, then. That will require a bit of atomic work to get atomic64_cmpxchg available on all 64-bit architectures.
> Please sent patches inline in order for us to be able to comment.
OK I will for next patchset.
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