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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-09 09:56:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-09 09:56:17 -0800
commit1a29e857507046e413ca7a4a7c9cd32fed9ea255 (patch)
tree5a46d9c4dcab39fc588a9ac2c9f5e4c866d41254 /Documentation/RCU
parentc4703acd6d4a58dc4b31ad2a8f8b14becb898d25 (diff)
parent4064174becc09a5a2385a27c8a6fd40888b0e13c (diff)
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Merge tag 'docs-5.1' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet: "A fairly routine cycle for docs - lots of typo fixes, some new documents, and more translations. There's also some LICENSES adjustments from Thomas" * tag 'docs-5.1' of git://git.lwn.net/linux: (74 commits) docs: Bring some order to filesystem documentation Documentation/locking/lockdep: Drop last two chars of sample states doc: rcu: Suspicious RCU usage is a warning docs: driver-api: iio: fix errors in documentation Documentation/process/howto: Update for 4.x -> 5.x versioning docs: Explicitly state that the 'Fixes:' tag shouldn't split lines doc: security: Add kern-doc for lsm_hooks.h doc: sctp: Merge and clean up rst files Docs: Correct /proc/stat path scripts/spdxcheck.py: fix C++ comment style detection doc: fix typos in license-rules.rst Documentation: fix admin-guide/README.rst minimum gcc version requirement doc: process: complete removal of info about -git patches doc: translations: sync translations 'remove info about -git patches' perf-security: wrap paragraphs on 72 columns perf-security: elaborate on perf_events/Perf privileged users perf-security: document collected perf_events/Perf data categories perf-security: document perf_events/Perf resource control sysfs.txt: add note on available attribute macros docs: kernel-doc: typo "if ... if" -> "if ... is" ...
Diffstat (limited to 'Documentation/RCU')
-rw-r--r--Documentation/RCU/lockdep-splat.txt12
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/RCU/lockdep-splat.txt b/Documentation/RCU/lockdep-splat.txt
index 238e9f61352f..9c015976b174 100644
--- a/Documentation/RCU/lockdep-splat.txt
+++ b/Documentation/RCU/lockdep-splat.txt
@@ -14,9 +14,9 @@ being the real world and all that.
So let's look at an example RCU lockdep splat from 3.0-rc5, one that
has long since been fixed:
-===============================
-[ INFO: suspicious RCU usage. ]
--------------------------------
+=============================
+WARNING: suspicious RCU usage
+-----------------------------
block/cfq-iosched.c:2776 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
@@ -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: