linux-kernel - Re: [tip:perf/core] tools: Add err.h with ERR_PTR PTR

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Message-ID: <20150929104147.GD27383@krava.redhat.com>
Date:	Tue, 29 Sep 2015 12:41:47 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	He Kuang <hekuang@...wei.com>
Cc:	Vinson Lee <vlee@...pensource.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Namhyung Kim <namhyung@...nel.org>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	raphael.beamonte@...il.com, matt@...eblueprint.co.uk,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	linux-tip-commits@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [tip:perf/core] tools: Add err.h with ERR_PTR PTR_ERR interface

On Tue, Sep 29, 2015 at 04:15:39PM +0800, He Kuang wrote:
> 
> 
> On 2015/9/29 15:57, Jiri Olsa wrote:
> >On Tue, Sep 29, 2015 at 03:52:09PM +0800, He Kuang wrote:
> >>hi, jirka
> >>
> >>On 2015/9/29 15:20, Jiri Olsa wrote:
> >>>On Tue, Sep 29, 2015 at 09:14:10AM +0200, Jiri Olsa wrote:
> >>>
> >>>SNIP
> >>>
> >>>>>>$ gcc --version
> >>>>>>gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-16)
> >>>>>>Copyright (C) 2010 Free Software Foundation, Inc.
> >>>>>>This is free software; see the source for copying conditions.  There is NO
> >>>>>>warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> >>>>>>
> >>>>>>Cheers,
> >>>>>>Vinson
> >>>>>
> >>>>>Hi.
> >>>>>
> >>>>>This build error still occurs with next-20150929.
> >>>>
> >>>>attached patch should fix it
> >>>>
> >>>>FYI there's another instance of this bug in parse-events.c in
> >>>>Arnaldo's perf/core due to recent fixes, I'll send out fix shortly
> >>>
> >>>and here it is..
> >>>
> >>>He Kuang,
> >>>this might collide with your recent fixes..
> >>>
> >>
> >>Do I need to send new ones based on your patch below now?
> >
> >that'd be great.. also please make sure you don't reintroduce it
> >
> 
> I saw Ingo just accepted ACME's pull request which contains my patches,
> then resend may reintroduce or conflict things, I will wait for ACME's
> suggestion for my lack of experience in this.

hum, I can see your changes in pull request to Ingo,
but not in acme's perf/core.. strange.. let's wait
for Arnaldo to sort it out ;-)

thanks,
jirka
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