linux-kernel - Re: [PATCH] [RFC V1]s390/perf: fix 'start' address of module's map

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Message-ID: <20160708152037.GH31763@krava>
Date:	Fri, 8 Jul 2016 17:20:37 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Songshan Gong <gongss@...ux.vnet.ibm.com>
Cc:	acme@...nel.org, jolsa@...nel.org, dsahern@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [RFC V1]s390/perf: fix 'start' address of module's map

On Fri, Jul 08, 2016 at 10:17:30AM +0800, Songshan Gong wrote:

SNIP

> > diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> > index b177218..e5c2721 100644
> > --- a/tools/perf/util/machine.c
> > +++ b/tools/perf/util/machine.c
> > @@ -1091,12 +1091,18 @@ static int machine__set_modules_path(struct machine *machine)
> > 
> >  	return map_groups__set_modules_path_dir(&machine->kmaps, modules_path, 0);
> >  }
> > +int __weak arch__fix_module_baseaddr(struct machine *machine __maybe_unused,
> > +				u64 *start __maybe_unused, const char *name __maybe_unused)
> > +{
> > +	return 0;
> > +}
> > 
> >  static int machine__create_module(void *arg, const char *name, u64 start)
> >  {
> >  	struct machine *machine = arg;
> >  	struct map *map;
> > 
> > +	arch__fix_module_baseaddr(machine, &start, name);
> 
> As the description says, I would change the function name to
> 'arch__fix_module_text_start';

both of them sound good to me

jirka