On Tue, Mar 13, 2007 at 06:41:05PM +0300, Pavel Emelianov wrote: > > right, but atomic ops have much less impact on most > > architectures than locks :) > > Right. But atomic_add_unless() is slower as it is > essentially a loop. See my previous letter in this sub-thread.
If I am not mistaken, you shouldn't loop in normal cases, which means it boils down to a atomic_read() + atomic_cmpxch() -- Regards, vatsa _______________________________________________ Containers mailing list [EMAIL PROTECTED] https://lists.osdl.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
