Messages in this thread | | | Date | Mon, 5 May 2008 13:32:31 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC][PATCH] sched_clock_cpu() |
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* Ingo Molnar <mingo@elte.hu> wrote:
> > * David Miller <davem@davemloft.net> wrote: > > > > that wont work very well when sched_clock() is called from within > > > CONFIG_LOCK_STAT instrumentation. Does the patch below solve the > > > boot problems for you? > > > > Also, no platform can set HAVE_STABLE_CLOCK until we instantiate it in > > a Kconfig somewhere. I've choosen to do it in kernel/Kconfig.hz and > > here are the sparc/sparc64 bits as well, I've booted this up with > > Peter's patch on my 64-cpu niagara2 box and done some basic testing. > > applied, thanks David. > > right now this topic looks good in review and in testing but it is > stalled on a bug: in overnight testing it triggered an ftrace > self-test hang that i bisected down to that patch. While that doesnt > affect mainline it's something that shows that the new sched_clock() > code is not as widely usable as the old code - have to investigate > that some more.
FYI, figured that out today and fixed it, so the topic has green lights again.
Ingo
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