diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-25 11:19:46 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-25 11:19:46 +0100 |
| commit | 0f8b29fabacbcf0e617896c7ea832b7ea2ef2406 (patch) | |
| tree | 0187f2baef24b5d78d94aecc7057356a36c58b5d /kernel/locking/lockdep.c | |
| parent | e71a8d5cf4b4f274740e31b601216071e2a11afa (diff) | |
| parent | 6ee1d745b7c9fd573fba142a2efdad76a9f1cb04 (diff) | |
Merge 5.11-rc5 into tty-next
We need the fixes in here and this resolves a merge issue in
drivers/tty/tty_io.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/locking/lockdep.c')
| -rw-r--r-- | kernel/locking/lockdep.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index c1418b47f625a..bdaf4829098c0 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -79,7 +79,7 @@ module_param(lock_stat, int, 0644); DEFINE_PER_CPU(unsigned int, lockdep_recursion); EXPORT_PER_CPU_SYMBOL_GPL(lockdep_recursion); -static inline bool lockdep_enabled(void) +static __always_inline bool lockdep_enabled(void) { if (!debug_locks) return false; @@ -5271,12 +5271,15 @@ static void __lock_unpin_lock(struct lockdep_map *lock, struct pin_cookie cookie /* * Check whether we follow the irq-flags state precisely: */ -static void check_flags(unsigned long flags) +static noinstr void check_flags(unsigned long flags) { #if defined(CONFIG_PROVE_LOCKING) && defined(CONFIG_DEBUG_LOCKDEP) if (!debug_locks) return; + /* Get the warning out.. */ + instrumentation_begin(); + if (irqs_disabled_flags(flags)) { if (DEBUG_LOCKS_WARN_ON(lockdep_hardirqs_enabled())) { printk("possible reason: unannotated irqs-off.\n"); @@ -5304,6 +5307,8 @@ static void check_flags(unsigned long flags) if (!debug_locks) print_irqtrace_events(current); + + instrumentation_end(); #endif } |