From: Peter Zijlstra <peterz@infradead.org>
Date: Wed, 31 May 2017 15:05:46 +0000 (+0200)
Subject: locking/selftest: Remove the bad unlock ordering test
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=cfb6133399a490419cda55fcdcf9dbbca65eacba;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

locking/selftest: Remove the bad unlock ordering test

There is no such thing as a bad unlock order.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c
index f3a217ea0388..dd09e517c492 100644
--- a/lib/locking-selftest.c
+++ b/lib/locking-selftest.c
@@ -515,34 +515,6 @@ GENERATE_TESTCASE(double_unlock_rsem)
 
 #undef E
 
-/*
- * Bad unlock ordering:
- */
-#define E()					\
-						\
-	LOCK(A);				\
-	LOCK(B);				\
-	UNLOCK(A); /* fail */			\
-	UNLOCK(B);
-
-/*
- * 6 testcases:
- */
-#include "locking-selftest-spin.h"
-GENERATE_TESTCASE(bad_unlock_order_spin)
-#include "locking-selftest-wlock.h"
-GENERATE_TESTCASE(bad_unlock_order_wlock)
-#include "locking-selftest-rlock.h"
-GENERATE_TESTCASE(bad_unlock_order_rlock)
-#include "locking-selftest-mutex.h"
-GENERATE_TESTCASE(bad_unlock_order_mutex)
-#include "locking-selftest-wsem.h"
-GENERATE_TESTCASE(bad_unlock_order_wsem)
-#include "locking-selftest-rsem.h"
-GENERATE_TESTCASE(bad_unlock_order_rsem)
-
-#undef E
-
 /*
  * initializing a held lock:
  */
@@ -1825,7 +1797,6 @@ void locking_selftest(void)
 	DO_TESTCASE_6R("A-B-C-D-B-C-D-A deadlock", ABCDBCDA);
 	DO_TESTCASE_6("double unlock", double_unlock);
 	DO_TESTCASE_6("initialize held", init_held);
-	DO_TESTCASE_6_SUCCESS("bad unlock order", bad_unlock_order);
 
 	printk("  --------------------------------------------------------------------------\n");
 	print_testname("recursive read-lock");