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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Jin Yao <yao.jin@linux.intel.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.4 115/191] perf diff: Use llabs() with 64-bit values
Date:   Thu,  2 Jan 2020 23:06:37 +0100
Message-Id: <20200102215842.157880806@linuxfoundation.org>
In-Reply-To: <20200102215829.911231638@linuxfoundation.org>
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From: Arnaldo Carvalho de Melo <acme@redhat.com>

[ Upstream commit 98e93245113d0f5c279ef77f4a9e7d097323ad71 ]

To fix these build errors on a debian mipsel cross build environment:

  builtin-diff.c: In function 'block_cycles_diff_cmp':
  builtin-diff.c:550:6: error: absolute value function 'labs' given an argument of type 's64' {aka 'long long int'} but has parameter of type 'long int' which may cause truncation of value [-Werror=absolute-value]
    550 |  l = labs(left->diff.cycles);
        |      ^~~~
  builtin-diff.c:551:6: error: absolute value function 'labs' given an argument of type 's64' {aka 'long long int'} but has parameter of type 'long int' which may cause truncation of value [-Werror=absolute-value]
    551 |  r = labs(right->diff.cycles);
        |      ^~~~

Fixes: 99150a1faab2 ("perf diff: Use hists to manage basic blocks per symbol")
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-pn7szy5uw384ntjgk6zckh6a@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/perf/builtin-diff.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index c37a78677955..265682296836 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -575,8 +575,8 @@ static int64_t block_cycles_diff_cmp(struct hist_entry *left,
 	if (!pairs_left && !pairs_right)
 		return 0;
 
-	l = labs(left->diff.cycles);
-	r = labs(right->diff.cycles);
+	l = llabs(left->diff.cycles);
+	r = llabs(right->diff.cycles);
 	return r - l;
 }
 
-- 
2.20.1