linux-kernel - Re: [PATCH v2 2/2] perf uprobe: Skip prologue if program compiled without optimization

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Message-ID: <20160826195452.GC13587@kernel.org>
Date:   Fri, 26 Aug 2016 16:54:52 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        mingo@...hat.com, alexander.shishkin@...ux.intel.com,
        mhiramat@...nel.org, wangnan0@...wei.com,
        hemant@...ux.vnet.ibm.com, naveen.n.rao@...ux.vnet.ibm.com
Subject: Re: [PATCH v2 2/2] perf uprobe: Skip prologue if program compiled
 without optimization

Em Fri, Aug 26, 2016 at 04:30:27PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Aug 03, 2016 at 02:28:45PM +0530, Ravi Bangoria escreveu:
> > +++ b/tools/perf/util/probe-finder.c
> > @@ -892,6 +892,169 @@ static int find_probe_point_lazy(Dwarf_Die *sp_die, struct probe_finder *pf)
> >  	return die_walk_lines(sp_die, probe_point_lazy_walker, pf);
> >  }
>   
> > +static bool var_has_loclist(Dwarf_Die *die)
> 
> So, the variable 'die' cause the build to fail in multiple systems, I'm
> renaming it to 'cu_die', there are some more problems when cross compiling it
> to some arches, I'm trying to fix them all now:

Fixed, please check:

http://git.kernel.org/cgit/linux/kernel/git/acme/linux.git/commit/?h=perf/urgent&id=3866e3762da3291613dfb8b193885a8ed3836669

- Arnaldo