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Message-Id: <1392672959-6386-5-git-send-email-paulmck@linux.vnet.ibm.com>
Date: Mon, 17 Feb 2014 13:35:52 -0800
From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To: linux-kernel@...r.kernel.org
Cc: mingo@...nel.org, laijs@...fujitsu.com, dipankar@...ibm.com,
akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de,
peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com,
edumazet@...gle.com, darren@...art.com, fweisbec@...il.com,
oleg@...hat.com, sbw@....edu, Joe Perches <joe@...ches.com>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 05/12] rcu: Indentation and spacing fixes.
From: Joe Perches <joe@...ches.com>
This commit outdents expression-statement macros, thus repairing a few
line-length complaints. Also fix some spacing errors called out by
checkpatch.pl.
Signed-off-by: Joe Perches <joe@...ches.com>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
include/linux/rculist.h | 17 +++++++-------
include/linux/rcupdate.h | 58 ++++++++++++++++++++++++------------------------
2 files changed, 38 insertions(+), 37 deletions(-)
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index dbaf99084112..8183b46fbaa2 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -247,9 +247,10 @@ static inline void list_splice_init_rcu(struct list_head *list,
* primitives such as list_add_rcu() as long as it's guarded by rcu_read_lock().
*/
#define list_entry_rcu(ptr, type, member) \
- ({typeof (*ptr) __rcu *__ptr = (typeof (*ptr) __rcu __force *)ptr; \
- container_of((typeof(ptr))rcu_dereference_raw(__ptr), type, member); \
- })
+({ \
+ typeof(*ptr) __rcu *__ptr = (typeof(*ptr) __rcu __force *)ptr; \
+ container_of((typeof(ptr))rcu_dereference_raw(__ptr), type, member); \
+})
/**
* Where are list_empty_rcu() and list_first_entry_rcu()?
@@ -285,11 +286,11 @@ static inline void list_splice_init_rcu(struct list_head *list,
* primitives such as list_add_rcu() as long as it's guarded by rcu_read_lock().
*/
#define list_first_or_null_rcu(ptr, type, member) \
- ({struct list_head *__ptr = (ptr); \
- struct list_head *__next = ACCESS_ONCE(__ptr->next); \
- likely(__ptr != __next) ? \
- list_entry_rcu(__next, type, member) : NULL; \
- })
+({ \
+ struct list_head *__ptr = (ptr); \
+ struct list_head *__next = ACCESS_ONCE(__ptr->next); \
+ likely(__ptr != __next) ? list_entry_rcu(__next, type, member) : NULL; \
+})
/**
* list_for_each_entry_rcu - iterate over rcu list of given type
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index d946d3660633..278a9da69ec4 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -508,40 +508,40 @@ static inline void rcu_preempt_sleep_check(void)
#endif /* #else #ifdef __CHECKER__ */
#define __rcu_access_pointer(p, space) \
- ({ \
- typeof(*p) *_________p1 = (typeof(*p)*__force )ACCESS_ONCE(p); \
- rcu_dereference_sparse(p, space); \
- ((typeof(*p) __force __kernel *)(_________p1)); \
- })
+({ \
+ typeof(*p) *_________p1 = (typeof(*p) *__force)ACCESS_ONCE(p); \
+ rcu_dereference_sparse(p, space); \
+ ((typeof(*p) __force __kernel *)(_________p1)); \
+})
#define __rcu_dereference_check(p, c, space) \
- ({ \
- typeof(*p) *_________p1 = (typeof(*p)*__force )ACCESS_ONCE(p); \
- rcu_lockdep_assert(c, "suspicious rcu_dereference_check() usage"); \
- rcu_dereference_sparse(p, space); \
- smp_read_barrier_depends(); \
- ((typeof(*p) __force __kernel *)(_________p1)); \
- })
+({ \
+ typeof(*p) *_________p1 = (typeof(*p) *__force)ACCESS_ONCE(p); \
+ rcu_lockdep_assert(c, "suspicious rcu_dereference_check() usage"); \
+ rcu_dereference_sparse(p, space); \
+ smp_read_barrier_depends(); /* Dependency order vs. p above. */ \
+ ((typeof(*p) __force __kernel *)(_________p1)); \
+})
#define __rcu_dereference_protected(p, c, space) \
- ({ \
- rcu_lockdep_assert(c, "suspicious rcu_dereference_protected() usage"); \
- rcu_dereference_sparse(p, space); \
- ((typeof(*p) __force __kernel *)(p)); \
- })
+({ \
+ rcu_lockdep_assert(c, "suspicious rcu_dereference_protected() usage"); \
+ rcu_dereference_sparse(p, space); \
+ ((typeof(*p) __force __kernel *)(p)); \
+})
#define __rcu_access_index(p, space) \
- ({ \
- typeof(p) _________p1 = ACCESS_ONCE(p); \
- rcu_dereference_sparse(p, space); \
- (_________p1); \
- })
+({ \
+ typeof(p) _________p1 = ACCESS_ONCE(p); \
+ rcu_dereference_sparse(p, space); \
+ (_________p1); \
+})
#define __rcu_dereference_index_check(p, c) \
- ({ \
- typeof(p) _________p1 = ACCESS_ONCE(p); \
- rcu_lockdep_assert(c, \
- "suspicious rcu_dereference_index_check() usage"); \
- smp_read_barrier_depends(); \
- (_________p1); \
- })
+({ \
+ typeof(p) _________p1 = ACCESS_ONCE(p); \
+ rcu_lockdep_assert(c, \
+ "suspicious rcu_dereference_index_check() usage"); \
+ smp_read_barrier_depends(); /* Dependency order vs. p above. */ \
+ (_________p1); \
+})
/**
* RCU_INITIALIZER() - statically initialize an RCU-protected global variable
--
1.8.1.5
--
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