Messages in this thread | | | Subject | Re: [PATCH] [1/4] /dev/random: Fix latency in rekeying sequence number | From | Lee Revell <> | Date | Fri, 20 Aug 2004 01:10:26 -0400 |
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On Fri, 2004-08-20 at 00:57, Theodore Ts'o wrote: > Based on reports from Ingo's Latency Tracer that the TCP sequence number > rekey code is causing latency problems, I've moved the sequence number > rekey to be done out of a workqueue. >
This patch does not actually fix the problem, as 3-700usecs is still spent in the spinlocked region, this just causes it to be done out of a workqueue. It reduces the incidence of problems, but for latency sensitive applications the worst-case is the important one.
Lee
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