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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-28 19:46:13 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-28 19:46:13 +0300 |
| commit | d99391ec2b42d827d92003dcdcb96fadac9d862b (patch) | |
| tree | 812292b25d209fc3cb63b5fc0633acf77a4d2afb /Documentation/RCU/lockdep-splat.txt | |
| parent | 8b561778f29766675e88566215aa835fff9dc1f7 (diff) | |
| parent | f8a4bb6bfa639fbdd07aede615be6dffe86a9713 (diff) | |
| download | linux-d99391ec2b42d827d92003dcdcb96fadac9d862b.tar.xz | |
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
"The RCU changes in this cycle were:
- Expedited grace-period updates
- kfree_rcu() updates
- RCU list updates
- Preemptible RCU updates
- Torture-test updates
- Miscellaneous fixes
- Documentation updates"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (69 commits)
rcu: Remove unused stop-machine #include
powerpc: Remove comment about read_barrier_depends()
.mailmap: Add entries for old paulmck@kernel.org addresses
srcu: Apply *_ONCE() to ->srcu_last_gp_end
rcu: Switch force_qs_rnp() to for_each_leaf_node_cpu_mask()
rcu: Move rcu_{expedited,normal} definitions into rcupdate.h
rcu: Move gp_state_names[] and gp_state_getname() to tree_stall.h
rcu: Remove the declaration of call_rcu() in tree.h
rcu: Fix tracepoint tracking RCU CPU kthread utilization
rcu: Fix harmless omission of "CONFIG_" from #if condition
rcu: Avoid tick_dep_set_cpu() misordering
rcu: Provide wrappers for uses of ->rcu_read_lock_nesting
rcu: Use READ_ONCE() for ->expmask in rcu_read_unlock_special()
rcu: Clear ->rcu_read_unlock_special only once
rcu: Clear .exp_hint only when deferred quiescent state has been reported
rcu: Rename some instance of CONFIG_PREEMPTION to CONFIG_PREEMPT_RCU
rcu: Remove kfree_call_rcu_nobatch()
rcu: Remove kfree_rcu() special casing and lazy-callback handling
rcu: Add support for debug_objects debugging for kfree_rcu()
rcu: Add multiple in-flight batches of kfree_rcu() work
...
Diffstat (limited to 'Documentation/RCU/lockdep-splat.txt')
| -rw-r--r-- | Documentation/RCU/lockdep-splat.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/RCU/lockdep-splat.txt b/Documentation/RCU/lockdep-splat.txt index 9c015976b174..b8096316fd11 100644 --- a/Documentation/RCU/lockdep-splat.txt +++ b/Documentation/RCU/lockdep-splat.txt @@ -99,7 +99,7 @@ With this change, the rcu_dereference() is always within an RCU read-side critical section, which again would have suppressed the above lockdep-RCU splat. -But in this particular case, we don't actually deference the pointer +But in this particular case, we don't actually dereference the pointer returned from rcu_dereference(). Instead, that pointer is just compared to the cic pointer, which means that the rcu_dereference() can be replaced by rcu_access_pointer() as follows: |