Messages in this thread Patch in this message | | | Date | Sun, 15 Nov 2015 09:01:13 +0100 (CET) | From | Thomas Gleixner <> | Subject | [GIT pull] locking updates for 4.4 |
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Linus,
please pull the latest locking-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-urgent-for-linus
Three small patches to synchronize liblockdep with the latest core changes.
Thanks,
tglx
------------------> Sasha Levin (3): tools/liblockdep: remove task argument from debug_check_no_locks_held tools/liblockdep: add userspace versions of WRITE_ONCE and RCU_INIT_POINTER tools/liblockdep: explicitly declare lockdep API we call from liblockdep
tools/lib/lockdep/common.c | 2 +- tools/lib/lockdep/include/liblockdep/common.h | 2 ++ tools/lib/lockdep/uinclude/linux/compiler.h | 2 ++ tools/lib/lockdep/uinclude/linux/lockdep.h | 3 ++- 4 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/tools/lib/lockdep/common.c b/tools/lib/lockdep/common.c index 8ef602f18a32..9be663340f0a 100644 --- a/tools/lib/lockdep/common.c +++ b/tools/lib/lockdep/common.c @@ -18,7 +18,7 @@ __attribute__((constructor)) static void liblockdep_init(void) __attribute__((destructor)) static void liblockdep_exit(void) { - debug_check_no_locks_held(¤t_obj); + debug_check_no_locks_held(); } struct task_struct *__curr(void) diff --git a/tools/lib/lockdep/include/liblockdep/common.h b/tools/lib/lockdep/include/liblockdep/common.h index 0bda630027c3..a60c14b9662a 100644 --- a/tools/lib/lockdep/include/liblockdep/common.h +++ b/tools/lib/lockdep/include/liblockdep/common.h @@ -43,6 +43,8 @@ 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); +extern void debug_check_no_locks_freed(const void *from, unsigned long len); +extern void lockdep_init(void); #define STATIC_LOCKDEP_MAP_INIT(_name, _key) \ { .name = (_name), .key = (void *)(_key), } diff --git a/tools/lib/lockdep/uinclude/linux/compiler.h b/tools/lib/lockdep/uinclude/linux/compiler.h index 7ac838a1f196..6386dc3182a0 100644 --- a/tools/lib/lockdep/uinclude/linux/compiler.h +++ b/tools/lib/lockdep/uinclude/linux/compiler.h @@ -3,5 +3,7 @@ #define __used __attribute__((__unused__)) #define unlikely +#define WRITE_ONCE(x, val) x=(val) +#define RCU_INIT_POINTER(p, v) p=(v) #endif diff --git a/tools/lib/lockdep/uinclude/linux/lockdep.h b/tools/lib/lockdep/uinclude/linux/lockdep.h index c1552c28507e..c808c7d02d21 100644 --- a/tools/lib/lockdep/uinclude/linux/lockdep.h +++ b/tools/lib/lockdep/uinclude/linux/lockdep.h @@ -6,7 +6,7 @@ #include <string.h> #include <limits.h> #include <linux/utsname.h> - +#include <linux/compiler.h> #define MAX_LOCK_DEPTH 2000UL @@ -54,5 +54,6 @@ static struct new_utsname *init_utsname(void) #define static_obj(x) 1 #define debug_show_all_locks() +extern void debug_check_no_locks_held(void); #endif
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