Messages in this thread | | | Date | Fri, 12 Aug 2005 08:36:00 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC,PATCH] Use RCU to protect tasklist for unicast signals |
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* Lee Revell <rlrevell@joe-job.com> wrote:
> Doesn't this fix the longest latency we were seeing with > PREEMPT_DESKTOP, I don't have a trace handy but the upshot was "signal > delivery must remain atomic on !PREEMPT_RT"?
yes - although Paul's patch converts only a portion of the signal code to RCU-read-lock, so i'd expect there to be other latencies too. Might be worth a test (once we've sorted out the HRT build bugs).
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