Re: [GIT PULL 0/6] perf/urgent fixes

From: Arnaldo Carvalho de Melo
Date: Fri Dec 06 2019 - 10:35:17 EST


Em Fri, Dec 06, 2019 at 04:04:55PM +0100, Jiri Olsa escreveu:
> On Fri, Dec 06, 2019 at 11:43:54AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Fri, Dec 06, 2019 at 03:25:16PM +0100, Jiri Olsa escreveu:
> > > On Fri, Dec 06, 2019 at 08:57:01AM +0100, Ingo Molnar wrote:
> > >
> > > SNIP
> > >
> > > > > tools/include/uapi/drm/drm.h | 3 +-
> > > > > tools/include/uapi/drm/i915_drm.h | 128 +++++++++++++++++++++++++++++++++++++-
> > > > > tools/perf/builtin-inject.c | 13 +---
> > > > > tools/perf/builtin-report.c | 8 +++
> > > > > tools/perf/util/sort.c | 16 +++--
> > > > > 5 files changed, 147 insertions(+), 21 deletions(-)
> > > >
> > > > Pulled, thanks a lot Arnaldo!
> > > >
> > > > JFYI, on my system the default perf/urgent build still has this noise
> > > > generated by util/parse-events.y and util/expr.y:
> > > >
> > > > util/parse-events.y:1.1-12: warning: deprecated directive, use â%define api.pureâ [-Wdeprecated]
> > > > 1 | %pure-parser
> > > > | ^~~~~~~~~~~~
> > > > util/parse-events.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother]
> > > > util/expr.y:15.1-12: warning: deprecated directive, use â%define api.pureâ [-Wdeprecated]
> > > > 15 | %pure-parser
> > > > | ^~~~~~~~~~~~
> > > > util/expr.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother]
> > >
> > > just saw it in fedora 31 with new bison, change below
> > > should fix it, I'll post it with other fixes later
> >
> > As I explained to Ingo, this will make it fail with older systems, for
> > now this is just a warning, thus I've not been eager to get this merged,
> > Andi alredy submitted this, for instance.
> >
> > Is there some way to have some sort of ifdef based on bison's version so
> > that we can have both?
>
> I see, I guess we could use one or another based on
> bison version with macro

If you could do that, that would be great, the attempt may well
enlighten us if that is possible and if not, then, oh well, I can just
update bison on these older systems and keep a note in my container
definition files :-)

- Arnaldo

> jirka
>
> >
> > At some point I'll just bite the bullet and stop testing on such older
> > systems, but while this is not strictly needed...
> >
> > - Arnaldo
> >
> > > jirka
> > >
> > > ---
> > > diff --git a/tools/perf/util/expr.y b/tools/perf/util/expr.y
> > > index f9a20a39b64a..4ef801334b9d 100644
> > > --- a/tools/perf/util/expr.y
> > > +++ b/tools/perf/util/expr.y
> > > @@ -12,7 +12,7 @@
> > > #define MAXIDLEN 256
> > > %}
> > >
> > > -%pure-parser
> > > +%define api.pure
> > > %parse-param { double *final_val }
> > > %parse-param { struct parse_ctx *ctx }
> > > %parse-param { const char **pp }
> > > diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
> > > index e2eea4e601b4..87a0d11676f0 100644
> > > --- a/tools/perf/util/parse-events.y
> > > +++ b/tools/perf/util/parse-events.y
> > > @@ -1,4 +1,4 @@
> > > -%pure-parser
> > > +%define api.pure
> > > %parse-param {void *_parse_state}
> > > %parse-param {void *scanner}
> > > %lex-param {void* scanner}
> >
> > --
> >
> > - Arnaldo
> >

--

- Arnaldo