Messages in this thread | | | Date | Tue, 06 Apr 2010 16:41:41 +0300 | From | Avi Kivity <> | Subject | Re: [PATCH V2 0/6][RFC] futex: FUTEX_LOCK with optional adaptive spinning |
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On 04/06/2010 04:35 PM, Peter Zijlstra wrote: > On Tue, 2010-04-06 at 16:28 +0300, Avi Kivity wrote: > >> Yes, but that's the best case for spinning. You could simply use a >> userspace spinlock in this case. >> > Userspace spinlocks are evil.. they should _never_ be used. >
But in this case they're fastest. If we don't provide a non-evil alternative, people will use them.
-- error compiling committee.c: too many arguments to function
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