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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: e5684bbfc3 ("Documentation/locking/lockdep: Update info about states")
Fixes: d92a8cfcb3 ("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>
hifive-unleashed-5.1
Geert Uytterhoeven 2019-03-01 10:40:52 +01:00 committed by Jonathan Corbet
parent 6cd43851f8
commit 866d65b9d7
2 changed files with 5 additions and 5 deletions
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6
Documentation/RCU/lockdep-splat.txt
View File

@ -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:

4
Documentation/locking/lockdep-design.txt
View File

@ -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