linux-kernel - [PATCH v2 0/2] perf jevents: Enable build warnings

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Date:   Thu, 21 Oct 2021 17:16:43 +0800
From:   John Garry <john.garry@...wei.com>
To:     <peterz@...radead.org>, <acme@...nel.org>, <mark.rutland@....com>,
        <alexander.shishkin@...ux.intel.com>, <jolsa@...hat.com>,
        <namhyung@...nel.org>, <mingo@...hat.com>
CC:     <irogers@...gle.com>, <linux-perf-users@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kjain@...ux.ibm.com>,
        <james.clark@....com>, John Garry <john.garry@...wei.com>
Subject: [PATCH v2 0/2] perf jevents: Enable build warnings

Currently jevents builds without any complier warning flags enabled. So
use newly-defined HOSTCFLAGS, which comes from EXTRA_WARNINGS.

Changes for v2:
- Add Werror, Wall, and Wextra (James Clark suggestion)

Baseline is acme perf/core + mainline commit b94729919db2 ("perf jevents:
Free the sys_event_tables list after processing entries"):

680453e63302 perf jevents: Free the sys_event_tables list after processing entries
be8ecc57f180 (origin/perf/core) perf srcline: Use long-running addr2line per DSO
2b775152bbe8 perf tests vmlinux-kallsyms: Ignore hidden symbols

John Garry (2):
  perf jevents: Fix some would-be warnings
  perf jevents: Enable warnings through HOSTCFLAGS

 tools/perf/Makefile.config      |  5 +++++
 tools/perf/Makefile.perf        |  2 +-
 tools/perf/pmu-events/Build     |  2 +-
 tools/perf/pmu-events/jevents.c | 10 ++++------
 4 files changed, 11 insertions(+), 8 deletions(-)

-- 
2.17.1