Messages in this thread | | | Date | Sun, 4 May 2008 01:47:16 +0200 | From | Ingo Molnar <> | Subject | Re: 'global' rq->clock |
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* David Miller <davem@davemloft.net> wrote:
> 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.
hm, good point, i missed that aspect.
Ingo
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