diff options
Diffstat (limited to 'tools/lib/lockdep')
23 files changed, 87 insertions, 15 deletions
diff --git a/tools/lib/lockdep/include/liblockdep/common.h b/tools/lib/lockdep/include/liblockdep/common.h index 8862da80995a..d640a9761f09 100644 --- a/tools/lib/lockdep/include/liblockdep/common.h +++ b/tools/lib/lockdep/include/liblockdep/common.h @@ -44,6 +44,7 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass, struct lockdep_map *nest_lock, unsigned long ip); void lock_release(struct lockdep_map *lock, int nested, unsigned long ip); +void lockdep_reset_lock(struct lockdep_map *lock); extern void debug_check_no_locks_freed(const void *from, unsigned long len); #define STATIC_LOCKDEP_MAP_INIT(_name, _key) \ diff --git a/tools/lib/lockdep/include/liblockdep/mutex.h b/tools/lib/lockdep/include/liblockdep/mutex.h index a80ac39f966e..2073d4e1f2f0 100644 --- a/tools/lib/lockdep/include/liblockdep/mutex.h +++ b/tools/lib/lockdep/include/liblockdep/mutex.h @@ -54,6 +54,7 @@ static inline int liblockdep_pthread_mutex_trylock(liblockdep_pthread_mutex_t *l static inline int liblockdep_pthread_mutex_destroy(liblockdep_pthread_mutex_t *lock) { + lockdep_reset_lock(&lock->dep_map); return pthread_mutex_destroy(&lock->mutex); } diff --git a/tools/lib/lockdep/include/liblockdep/rwlock.h b/tools/lib/lockdep/include/liblockdep/rwlock.h index a96c3bf0fef1..365762e3a1ea 100644 --- a/tools/lib/lockdep/include/liblockdep/rwlock.h +++ b/tools/lib/lockdep/include/liblockdep/rwlock.h @@ -60,10 +60,10 @@ static inline int liblockdep_pthread_rwlock_tryrdlock(liblockdep_pthread_rwlock_ return pthread_rwlock_tryrdlock(&lock->rwlock) == 0 ? 1 : 0; } -static inline int liblockdep_pthread_rwlock_trywlock(liblockdep_pthread_rwlock_t *lock) +static inline int liblockdep_pthread_rwlock_trywrlock(liblockdep_pthread_rwlock_t *lock) { lock_acquire(&lock->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_); - return pthread_rwlock_trywlock(&lock->rwlock) == 0 ? 1 : 0; + return pthread_rwlock_trywrlock(&lock->rwlock) == 0 ? 1 : 0; } static inline int liblockdep_rwlock_destroy(liblockdep_pthread_rwlock_t *lock) @@ -79,7 +79,7 @@ static inline int liblockdep_rwlock_destroy(liblockdep_pthread_rwlock_t *lock) #define pthread_rwlock_unlock liblockdep_pthread_rwlock_unlock #define pthread_rwlock_wrlock liblockdep_pthread_rwlock_wrlock #define pthread_rwlock_tryrdlock liblockdep_pthread_rwlock_tryrdlock -#define pthread_rwlock_trywlock liblockdep_pthread_rwlock_trywlock +#define pthread_rwlock_trywrlock liblockdep_pthread_rwlock_trywrlock #define pthread_rwlock_destroy liblockdep_rwlock_destroy #endif diff --git a/tools/lib/lockdep/lockdep.c b/tools/lib/lockdep/lockdep.c index 6002fcf2f9bc..348a9d0fb766 100644 --- a/tools/lib/lockdep/lockdep.c +++ b/tools/lib/lockdep/lockdep.c @@ -15,6 +15,11 @@ u32 prandom_u32(void) abort(); } +void print_irqtrace_events(struct task_struct *curr) +{ + abort(); +} + static struct new_utsname *init_utsname(void) { static struct new_utsname n = (struct new_utsname) { diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh index 2e570a188f16..c8fbd0306960 100755 --- a/tools/lib/lockdep/run_tests.sh +++ b/tools/lib/lockdep/run_tests.sh @@ -1,32 +1,47 @@ #! /bin/bash # SPDX-License-Identifier: GPL-2.0 -make &> /dev/null +if ! make >/dev/null; then + echo "Building liblockdep failed." + echo "FAILED!" + exit 1 +fi -for i in `ls tests/*.c`; do +find tests -name '*.c' | sort | while read -r i; do testname=$(basename "$i" .c) - gcc -o tests/$testname -pthread $i liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &> /dev/null echo -ne "$testname... " - if [ $(timeout 1 ./tests/$testname 2>&1 | wc -l) -gt 0 ]; then + if gcc -o "tests/$testname" -pthread "$i" liblockdep.a -Iinclude -D__USE_LIBLOCKDEP && + timeout 1 "tests/$testname" 2>&1 | "tests/${testname}.sh"; then echo "PASSED!" else echo "FAILED!" fi - if [ -f "tests/$testname" ]; then - rm tests/$testname - fi + rm -f "tests/$testname" done -for i in `ls tests/*.c`; do +find tests -name '*.c' | sort | while read -r i; do testname=$(basename "$i" .c) - gcc -o tests/$testname -pthread -Iinclude $i &> /dev/null echo -ne "(PRELOAD) $testname... " - if [ $(timeout 1 ./lockdep ./tests/$testname 2>&1 | wc -l) -gt 0 ]; then + if gcc -o "tests/$testname" -pthread -Iinclude "$i" && + timeout 1 ./lockdep "tests/$testname" 2>&1 | + "tests/${testname}.sh"; then echo "PASSED!" else echo "FAILED!" fi - if [ -f "tests/$testname" ]; then - rm tests/$testname + rm -f "tests/$testname" +done + +find tests -name '*.c' | sort | while read -r i; do + testname=$(basename "$i" .c) + echo -ne "(PRELOAD + Valgrind) $testname... " + if gcc -o "tests/$testname" -pthread -Iinclude "$i" && + { timeout 10 valgrind --read-var-info=yes ./lockdep "./tests/$testname" >& "tests/${testname}.vg.out"; true; } && + "tests/${testname}.sh" < "tests/${testname}.vg.out" && + ! grep -Eq '(^==[0-9]*== (Invalid |Uninitialised ))|Mismatched free|Source and destination overlap| UME ' "tests/${testname}.vg.out"; then + echo "PASSED!" + else + echo "FAILED!" fi + rm -f "tests/$testname" done diff --git a/tools/lib/lockdep/tests/AA.sh b/tools/lib/lockdep/tests/AA.sh new file mode 100644 index 000000000000..f39b32865074 --- /dev/null +++ b/tools/lib/lockdep/tests/AA.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible recursive locking detected' diff --git a/tools/lib/lockdep/tests/ABA.sh b/tools/lib/lockdep/tests/ABA.sh new file mode 100644 index 000000000000..f39b32865074 --- /dev/null +++ b/tools/lib/lockdep/tests/ABA.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible recursive locking detected' diff --git a/tools/lib/lockdep/tests/ABBA.c b/tools/lib/lockdep/tests/ABBA.c index 1460afd33d71..623313f54720 100644 --- a/tools/lib/lockdep/tests/ABBA.c +++ b/tools/lib/lockdep/tests/ABBA.c @@ -11,4 +11,7 @@ void main(void) LOCK_UNLOCK_2(a, b); LOCK_UNLOCK_2(b, a); + + pthread_mutex_destroy(&b); + pthread_mutex_destroy(&a); } diff --git a/tools/lib/lockdep/tests/ABBA.sh b/tools/lib/lockdep/tests/ABBA.sh new file mode 100644 index 000000000000..fc31c607a5a8 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBA.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible circular locking dependency detected' diff --git a/tools/lib/lockdep/tests/ABBA_2threads.sh b/tools/lib/lockdep/tests/ABBA_2threads.sh new file mode 100644 index 000000000000..fc31c607a5a8 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBA_2threads.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible circular locking dependency detected' diff --git a/tools/lib/lockdep/tests/ABBCCA.c b/tools/lib/lockdep/tests/ABBCCA.c index a54c1b2af118..48446129d496 100644 --- a/tools/lib/lockdep/tests/ABBCCA.c +++ b/tools/lib/lockdep/tests/ABBCCA.c @@ -13,4 +13,8 @@ void main(void) LOCK_UNLOCK_2(a, b); LOCK_UNLOCK_2(b, c); LOCK_UNLOCK_2(c, a); + + pthread_mutex_destroy(&c); + pthread_mutex_destroy(&b); + pthread_mutex_destroy(&a); } diff --git a/tools/lib/lockdep/tests/ABBCCA.sh b/tools/lib/lockdep/tests/ABBCCA.sh new file mode 100644 index 000000000000..fc31c607a5a8 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBCCA.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible circular locking dependency detected' diff --git a/tools/lib/lockdep/tests/ABBCCDDA.c b/tools/lib/lockdep/tests/ABBCCDDA.c index aa5d194e8869..3570bf7b3804 100644 --- a/tools/lib/lockdep/tests/ABBCCDDA.c +++ b/tools/lib/lockdep/tests/ABBCCDDA.c @@ -15,4 +15,9 @@ void main(void) LOCK_UNLOCK_2(b, c); LOCK_UNLOCK_2(c, d); LOCK_UNLOCK_2(d, a); + + pthread_mutex_destroy(&d); + pthread_mutex_destroy(&c); + pthread_mutex_destroy(&b); + pthread_mutex_destroy(&a); } diff --git a/tools/lib/lockdep/tests/ABBCCDDA.sh b/tools/lib/lockdep/tests/ABBCCDDA.sh new file mode 100644 index 000000000000..fc31c607a5a8 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBCCDDA.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible circular locking dependency detected' diff --git a/tools/lib/lockdep/tests/ABCABC.c b/tools/lib/lockdep/tests/ABCABC.c index b54a08e60416..a1c4659894cd 100644 --- a/tools/lib/lockdep/tests/ABCABC.c +++ b/tools/lib/lockdep/tests/ABCABC.c @@ -13,4 +13,8 @@ void main(void) LOCK_UNLOCK_2(a, b); LOCK_UNLOCK_2(c, a); LOCK_UNLOCK_2(b, c); + + pthread_mutex_destroy(&c); + pthread_mutex_destroy(&b); + pthread_mutex_destroy(&a); } diff --git a/tools/lib/lockdep/tests/ABCABC.sh b/tools/lib/lockdep/tests/ABCABC.sh new file mode 100644 index 000000000000..fc31c607a5a8 --- /dev/null +++ b/tools/lib/lockdep/tests/ABCABC.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible circular locking dependency detected' diff --git a/tools/lib/lockdep/tests/ABCDBCDA.c b/tools/lib/lockdep/tests/ABCDBCDA.c index a56742250d86..335af1c90ab5 100644 --- a/tools/lib/lockdep/tests/ABCDBCDA.c +++ b/tools/lib/lockdep/tests/ABCDBCDA.c @@ -15,4 +15,9 @@ void main(void) LOCK_UNLOCK_2(c, d); LOCK_UNLOCK_2(b, c); LOCK_UNLOCK_2(d, a); + + pthread_mutex_destroy(&d); + pthread_mutex_destroy(&c); + pthread_mutex_destroy(&b); + pthread_mutex_destroy(&a); } diff --git a/tools/lib/lockdep/tests/ABCDBCDA.sh b/tools/lib/lockdep/tests/ABCDBCDA.sh new file mode 100644 index 000000000000..fc31c607a5a8 --- /dev/null +++ b/tools/lib/lockdep/tests/ABCDBCDA.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible circular locking dependency detected' diff --git a/tools/lib/lockdep/tests/ABCDBDDA.c b/tools/lib/lockdep/tests/ABCDBDDA.c index 238a3353f3c3..3c5972863049 100644 --- a/tools/lib/lockdep/tests/ABCDBDDA.c +++ b/tools/lib/lockdep/tests/ABCDBDDA.c @@ -15,4 +15,9 @@ void main(void) LOCK_UNLOCK_2(c, d); LOCK_UNLOCK_2(b, d); LOCK_UNLOCK_2(d, a); + + pthread_mutex_destroy(&d); + pthread_mutex_destroy(&c); + pthread_mutex_destroy(&b); + pthread_mutex_destroy(&a); } diff --git a/tools/lib/lockdep/tests/ABCDBDDA.sh b/tools/lib/lockdep/tests/ABCDBDDA.sh new file mode 100644 index 000000000000..fc31c607a5a8 --- /dev/null +++ b/tools/lib/lockdep/tests/ABCDBDDA.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible circular locking dependency detected' diff --git a/tools/lib/lockdep/tests/WW.sh b/tools/lib/lockdep/tests/WW.sh new file mode 100644 index 000000000000..f39b32865074 --- /dev/null +++ b/tools/lib/lockdep/tests/WW.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: possible recursive locking detected' diff --git a/tools/lib/lockdep/tests/unlock_balance.c b/tools/lib/lockdep/tests/unlock_balance.c index 34cf32f689de..dba25064b50a 100644 --- a/tools/lib/lockdep/tests/unlock_balance.c +++ b/tools/lib/lockdep/tests/unlock_balance.c @@ -10,4 +10,6 @@ void main(void) pthread_mutex_lock(&a); pthread_mutex_unlock(&a); pthread_mutex_unlock(&a); + + pthread_mutex_destroy(&a); } diff --git a/tools/lib/lockdep/tests/unlock_balance.sh b/tools/lib/lockdep/tests/unlock_balance.sh new file mode 100644 index 000000000000..c6e3952303fe --- /dev/null +++ b/tools/lib/lockdep/tests/unlock_balance.sh @@ -0,0 +1,2 @@ +#!/bin/bash +grep -q 'WARNING: bad unlock balance detected' |