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SubjectRE: [PATCH tip/core/rcu 02/20] torture: Prepare scripting for shift from %p to %pK
Date
From: Paul E. McKenney
> Sent: 04 December 2017 13:42
> On Mon, Dec 04, 2017 at 12:32:30PM +0000, David Laight wrote:
> > From: Paul E. McKenney
> > > Sent: 01 December 2017 20:09
> > >
> > > Because %p prints "(null)" and %pK prints "0000000000000000" or (on
> > > 32-bit systems) "00000000", this commit adjusts torture-test scripting
> > > accordingly.
> >
> > Surely NULL v not-NULL is one bit of info that the message needs to contain?
>
> Indeed. So the script needs to check for the strings "00000000",
> "0000000000000000", and "(null) in the console output". The "(null)"
> is what "%p" prints for a NULL pointer, and the other two strings are
> what "%pK" prints for a NULL pointer.
>
> Or am I missing your point?

I was thinking that even %pK should print "(null)".

Perhaps it should have printed a fixed, non-zero value for non-zero
pointers.

David

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