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SubjectRe: [RFC][PATCH] sched_clock_cpu()

* Ingo Molnar <> wrote:

> * David Miller <> 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


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