[lkml]   [2004]   [Aug]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] [1/4] /dev/random: Fix latency in rekeying sequence number
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.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 14:05    [W:0.030 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site