diff options
| author |   Geert Uytterhoeven <geert+renesas@glider.be> | 2019-03-01 10:40:52 +0100 |
|---|---|---|
| committer |   Jonathan Corbet <corbet@lwn.net> | 2019-03-04 12:55:18 -0700 |
| commit | 866d65b9d72f117134197712dca9c2569b703365 (patch) | |
| tree | 37e8f4340a60f99602ca1e6eb1c430242c008d8c /Documentation | |
| parent | doc: rcu: Suspicious RCU usage is a warning (diff) | |
| download | linux-dev-866d65b9d72f117134197712dca9c2569b703365.tar.xz linux-dev-866d65b9d72f117134197712dca9c2569b703365.zip | |
Documentation/locking/lockdep: Drop last two chars of sample states
Since the removal of FS_RECLAIM annotations, lockdep states contain four
characters, not six.
Fixes: e5684bbfc3f03480 ("Documentation/locking/lockdep: Update info about states")
Fixes: d92a8cfcb37ecd13 ("locking/lockdep: Rework FS_RECLAIM annotation")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/RCU/lockdep-splat.txt | 6 | ||||
| -rw-r--r-- | Documentation/locking/lockdep-design.txt | 4 |
2 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/RCU/lockdep-splat.txt b/Documentation/RCU/lockdep-splat.txt index af24670ab77a..9c015976b174 100644 --- a/Documentation/RCU/lockdep-splat.txt +++ b/Documentation/RCU/lockdep-splat.txt @@ -24,11 +24,11 @@ other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 0 3 locks held by scsi_scan_6/1552: - #0: (&shost->scan_mutex){+.+.+.}, at: [<ffffffff8145efca>] + #0: (&shost->scan_mutex){+.+.}, at: [<ffffffff8145efca>] scsi_scan_host_selected+0x5a/0x150 - #1: (&eq->sysfs_lock){+.+...}, at: [<ffffffff812a5032>] + #1: (&eq->sysfs_lock){+.+.}, at: [<ffffffff812a5032>] elevator_exit+0x22/0x60 - #2: (&(&q->__queue_lock)->rlock){-.-...}, at: [<ffffffff812b6233>] + #2: (&(&q->__queue_lock)->rlock){-.-.}, at: [<ffffffff812b6233>] cfq_exit_queue+0x43/0x190 stack backtrace: diff --git a/Documentation/locking/lockdep-design.txt b/Documentation/locking/lockdep-design.txt index 49f58a07ee7b..39fae143c9cb 100644 --- a/Documentation/locking/lockdep-design.txt +++ b/Documentation/locking/lockdep-design.txt @@ -45,10 +45,10 @@ When locking rules are violated, these state bits are presented in the locking error messages, inside curlies. A contrived example: modprobe/2287 is trying to acquire lock: - (&sio_locks[i].lock){-.-...}, at: [<c02867fd>] mutex_lock+0x21/0x24 + (&sio_locks[i].lock){-.-.}, at: [<c02867fd>] mutex_lock+0x21/0x24 but task is already holding lock: - (&sio_locks[i].lock){-.-...}, at: [<c02867fd>] mutex_lock+0x21/0x24 + (&sio_locks[i].lock){-.-.}, at: [<c02867fd>] mutex_lock+0x21/0x24 The bit position indicates STATE, STATE-read, for each of the states listed |