> So i find this debug feature rather useful and have applied it to
> tip/core/rcu (and cleaned it up a bit). I renamed the config option to
> CONFIG_DEBUG_RCU_STALL to make it more in line with usual debug option
> names. Lets see whether -tip testing finds any false positives.

Hmmm, should have read ALL of the emails first! Drat...

Just for kicks, I rebuilt using Ingo's version -- since I had manually
pasted Paul's patch, there was the possibility of PEBKAC interference:
no additional output at the lock up.

Dave W.
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