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Date:   Tue, 12 Feb 2019 09:15:26 +0100 (CET)
From:   Thomas Gleixner <tglx@linutronix.de>
To:     Aubrey Li <aubrey.li@intel.com>
cc:     mingo@redhat.com, peterz@infradead.org, hpa@zytor.com,
        ak@linux.intel.com, tim.c.chen@linux.intel.com,
        dave.hansen@intel.com, arjan@linux.intel.com,
        linux-kernel@vger.kernel.org, Aubrey Li <aubrey.li@linux.intel.com>
Subject: Re: [PATCH v9 1/3] /proc/pid/status: Add support for architecture
 specific output
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References: <20190211185931.4386-1-aubrey.li@intel.com> <alpine.DEB.2.21.1902120904410.1654@nanos.tec.linutronix.de>
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On Tue, 12 Feb 2019, Thomas Gleixner wrote:

> On Tue, 12 Feb 2019, Aubrey Li wrote:
> 
> > The architecture specific information of the running processes could
> > be useful to the userland. Add support to examine process architecture
> > specific information externally.
> > 
> > Signed-off-by: Aubrey Li <aubrey.li@linux.intel.com>
> > Cc: Peter Zijlstra <peterz@infradead.org>
> > Cc: Andi Kleen <ak@linux.intel.com>
> > Cc: Tim Chen <tim.c.chen@linux.intel.com>
> > Cc: Dave Hansen <dave.hansen@intel.com>
> > Cc: Arjan van de Ven <arjan@linux.intel.com>
> > ---
> >  fs/proc/array.c | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/fs/proc/array.c b/fs/proc/array.c
> > index 0ceb3b6b37e7..d8cb5b5fd7bb 100644
> > --- a/fs/proc/array.c
> > +++ b/fs/proc/array.c
> > @@ -392,6 +392,10 @@ static inline void task_core_dumping(struct seq_file *m, struct mm_struct *mm)
> >  	seq_putc(m, '\n');
> >  }
> >  
> > +void __weak arch_proc_pid_status(struct seq_file *m, struct task_struct *task)
> > +{
> > +}
> 
> This still lacks a prototype.

Aside of that this doesn't apply to tip or Linus tree....

Thanks,

	tglx