Messages in this thread | | | Date | Fri, 7 Dec 2007 11:40:13 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] scheduler: fix x86 regression in native_sched_clock |
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* Andrew Morton <akpm@linux-foundation.org> wrote:
> > - t = printk_clock(); > > + t = cpu_clock(printk_cpu); > > nanosec_rem = do_div(t, 1000000000); > > tlen = sprintf(tbuf, > > "<%c>[%5lu.%06lu] ", > > A bit risky - it's quite an expansion of code which no longer can call > printk. > > You might want to take that WARN_ON out of __update_rq_clock() ;)
hm, dont we already detect printk recursions and turn them into a silent return instead of a hang/crash?
Ingo
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