Messages in this thread | | | Date | Thu, 1 Nov 2007 18:19:41 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [patch 1/4] x86: FIFO ticket spinlocks |
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On Thu, 1 Nov 2007, Rik van Riel wrote: > > Larry Woodman managed to wedge the VM into a state where, on his > 4x dual core system, only 2 cores (on the same CPU) could get the > zone->lru_lock overnight. The other 6 cores on the system were > just spinning, without being able to get the lock.
.. and this is almost always the result of a locking *bug*, not unfairness per se. IOW, unfairness just ends up showing the bug in the first place.
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