Re: [PATCH V2 0/6][RFC] futex: FUTEX_LOCK with optional adaptive spinning
From
Peter Zijlstra <>
Date
Tue, 06 Apr 2010 15:35:31 +0200
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.