linux-kernel - [tip:locking/core] tools/lib/lockdep: Remove -lpthread compiler option

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Date:   Mon, 5 Jun 2017 02:05:11 -0700
From:   tip-bot for Vishal Thanki <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, torvalds@...ux-foundation.org,
        linux-kernel@...r.kernel.org, vishalthanki@...il.com,
        sasha.levin@...cle.com, tglx@...utronix.de, mingo@...nel.org,
        peterz@...radead.org
Subject: [tip:locking/core] tools/lib/lockdep: Remove -lpthread compiler
 option

Commit-ID:  a9b94d283caa55e9d292a29b431940482a433cb3
Gitweb:     http://git.kernel.org/tip/a9b94d283caa55e9d292a29b431940482a433cb3
Author:     Vishal Thanki <vishalthanki@...il.com>
AuthorDate: Thu, 25 May 2017 12:58:41 +0000
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 5 Jun 2017 09:28:07 +0200

tools/lib/lockdep: Remove -lpthread compiler option

With -lpthread option, the test for ABBA_2threads was
failing, and test passed if it was removed.
Since -pthread compiler option is sufficient for linking
to pthread libraries, this patch removes -lpthread.

Signed-off-by: Vishal Thanki <vishalthanki@...il.com>
Signed-off-by: Sasha Levin <sasha.levin@...cle.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: a.p.zijlstra@...llo.nl
Cc: ben@...adent.org.uk
Link: http://lkml.kernel.org/r/20170525130005.5947-9-alexander.levin@verizon.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 tools/lib/lockdep/run_tests.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh
index 1069d96..3fd297b 100755
--- a/tools/lib/lockdep/run_tests.sh
+++ b/tools/lib/lockdep/run_tests.sh
@@ -4,7 +4,7 @@ make &> /dev/null
 
 for i in `ls tests/*.c`; do
 	testname=$(basename "$i" .c)
-	gcc -o tests/$testname -pthread -lpthread $i liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &> /dev/null
+	gcc -o tests/$testname -pthread $i liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &> /dev/null
 	echo -ne "$testname... "
 	if [ $(timeout 1 ./tests/$testname | wc -l) -gt 0 ]; then
 		echo "PASSED!"
@@ -18,7 +18,7 @@ done
 
 for i in `ls tests/*.c`; do
 	testname=$(basename "$i" .c)
-	gcc -o tests/$testname -pthread -lpthread -Iinclude $i &> /dev/null
+	gcc -o tests/$testname -pthread -Iinclude $i &> /dev/null
 	echo -ne "(PRELOAD) $testname... "
 	if [ $(timeout 1 ./lockdep ./tests/$testname | wc -l) -gt 0 ]; then
 		echo "PASSED!"