linux-kernel - [FYI][PATCH 1/1] perf tools: Set COMPAT_NEED_REALLOCARRAY for CONFIG

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Date:   Wed, 17 Nov 2021 09:51:42 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     German Gomez <german.gomez@....com>
Cc:     Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        James Clark <james.clark@....com>,
        Jiri Olsa <jolsa@...hat.com>,
        John Garry <john.garry@...wei.com>,
        Leo Yan <leo.yan@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Will Deacon <will@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [FYI][PATCH 1/1] perf tools: Set COMPAT_NEED_REALLOCARRAY for
 CONFIG_AUXTRACE=1

As it is being used in tools/perf/arch/arm64/util/arm-spe.c and the
COMPAT_NEED_REALLOCARRAY was only being set when CORESIGHT=1 is set.

Fixes: 56c31cdff7c2a640 ("perf arm-spe: Implement find_snapshot callback")
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: German Gomez <german.gomez@....com>
Cc: James Clark <james.clark@....com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: John Garry <john.garry@...wei.com>
Cc: Leo Yan <leo.yan@...aro.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Will Deacon <will@...nel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/Makefile.config | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 07e65a061fd3a13b..afd144725a0bf766 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -1010,6 +1010,9 @@ ifndef NO_AUXTRACE
   ifndef NO_AUXTRACE
     $(call detected,CONFIG_AUXTRACE)
     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
+    ifeq ($(feature-reallocarray), 0)
+      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
+    endif
   endif
 endif
 
-- 
2.31.1