Roman Zippel wrote:
Hi,
On Thu, 15 Sep 2005, Nick Piggin wrote:
Is there any point in keeping this around?
Yes, for drivers which want to use it to synchronize with userspace.
Alternatively it could be changed into a Kconfig definition.
I think it already is. At least, I did grep for it and didn't
see anything.
I think userspace synchronization may be quite a valid use of
atomic cmpxchg, but Kconfig is a far better place to do it than
testing HAVE_ARCH_CMPXCHG.
--
SUSE Labs, Novell Inc.
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