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Groups > linux.kernel > #1288046

[PATCH v2 tip/core/rcu 11/14] rcu: Fix comment for rcu_dereference_raw_notrace

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From: Alexey Kardashevskiy <aik@ozlabs.ru>

rcu_dereference_raw() calls indirectly rcu_read_lock_held() while
rcu_dereference_raw_notrace() does not so fix the comment about the latter.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
 include/linux/rcupdate.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index f2b667df1131..85aabcd8b564 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -741,7 +741,7 @@ static inline void rcu_preempt_sleep_check(void)
  * The tracing infrastructure traces RCU (we want that), but unfortunately
  * some of the RCU checks causes tracing to lock up the system.
  *
- * The tracing version of rcu_dereference_raw() must not call
+ * The no-tracing version of rcu_dereference_raw() must not call
  * rcu_read_lock_held().
  */
 #define rcu_dereference_raw_notrace(p) __rcu_dereference_check((p), 1, __rcu)
-- 
2.5.2

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[PATCH v2 tip/core/rcu 0/14] Miscellaneous fixes for 4.5 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:10 +0100
  [PATCH v2 tip/core/rcu 14/14] list: Add lockless list traversal primitives "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:20 +0100
  [PATCH v2 tip/core/rcu 12/14] rcu: Move wakeup out from under rnp->lock "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:20 +0100
  [PATCH v2 tip/core/rcu 02/14] kernel: Make rcu/tree_trace.c explicitly non-modular "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:20 +0100
  [PATCH v2 tip/core/rcu 09/14] rcu: Make cpu_needs_another_gp() be bool "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:20 +0100
  [PATCH v2 tip/core/rcu 04/14] rcu: Remove lock-acquisition loop from rcu_read_unlock_special() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:20 +0100
  [PATCH v2 tip/core/rcu 06/14] rcu: Avoid tick_nohz_active checks on NOCBs CPUs "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:20 +0100
  [PATCH v2 tip/core/rcu 07/14] rcu: Stop disabling interrupts in scheduler fastpaths "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:20 +0100
  [PATCH v2 tip/core/rcu 10/14] rcu: Don't redundantly disable irqs in rcu_irq_{enter,exit}() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:20 +0100
  [PATCH v2 tip/core/rcu 03/14] rcu: Simplify rcu_sched_qs() control flow "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:30 +0100
  [PATCH v2 tip/core/rcu 01/14] rcu: Move lock_class_key to local scope "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:30 +0100
  [PATCH v2 tip/core/rcu 11/14] rcu: Fix comment for rcu_dereference_raw_notrace "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:30 +0100
  [PATCH v2 tip/core/rcu 13/14] rcu: Make rcu_gp_init() be bool rather than int "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:30 +0100
  [PATCH v2 tip/core/rcu 08/14] rcu: Eliminate unused rcu_init_one() argument "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:30 +0100
  [PATCH v2 tip/core/rcu 05/14] rcu: Fix obsolete rcu_bootup_announce_oddness() comment "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-12-10 00:30 +0100

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