Messages in this thread | | | Date | Wed, 6 Nov 2013 13:59:14 -0800 | Subject | Re: [PATCH v3 0/4] MCS Lock: MCS lock code cleanup and optimizations | From | Michel Lespinasse <> |
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On Wed, Nov 6, 2013 at 1:42 PM, H. Peter Anvin <hpa@zytor.com> wrote: > Perhaps I'm missing something here, but what is MCS lock and what is the > value?
Its a kind of queued lock where each waiter spins on a a separate memory word, instead of having them all spin on the lock's memory word. This helps with scalability when many waiters queue on the same lock.
-- Michel "Walken" Lespinasse A program is never fully debugged until the last user dies.
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