Messages in this thread | | | Date | Sat, 03 May 2008 16:40:24 -0700 (PDT) | Subject | Re: 'global' rq->clock | From | David Miller <> |
| |
From: Ingo Molnar <mingo@elte.hu> Date: Sun, 4 May 2008 01:38:25 +0200
> ah, good! It really looks like unnecessary overhead for the "simple > IPIs". But ... i'm wondering ... what about softirq processing? Do these > IPIs process softirqs on the way out? In that case the non-processed > jiffies might be a problem. > > it's all a bit messy. I wish we could start turning jiffies into a > function (which would just read GTOD and estimate jiffies from there), > but i fear we are not there yet ...
I think Peter Z. made a good point that we probably need to keep it there for smp_call_function() receivers, so that the called functions can test the context they are in accurately.
| |