[tip:core/urgent] rcu: Fix whitespace inconsistencies

From: tip-bot for Paul E. McKenney
Date: Sat Sep 19 2009 - 04:00:09 EST


Commit-ID: a71fca58b7f4abca551ae2256ac08dd9123a03f9
Gitweb: http://git.kernel.org/tip/a71fca58b7f4abca551ae2256ac08dd9123a03f9
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Fri, 18 Sep 2009 10:28:19 -0700
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Sat, 19 Sep 2009 08:53:22 +0200

rcu: Fix whitespace inconsistencies

Fix a number of whitespace ^Ierrors in the include/linux/rcu*
and the kernel/rcu* files.

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: laijs@xxxxxxxxxxxxxx
Cc: dipankar@xxxxxxxxxx
Cc: akpm@xxxxxxxxxxxxxxxxxxxx
Cc: mathieu.desnoyers@xxxxxxxxxx
Cc: josh@xxxxxxxxxxxxxxxx
Cc: dvhltc@xxxxxxxxxx
Cc: niv@xxxxxxxxxx
Cc: peterz@xxxxxxxxxxxxx
Cc: rostedt@xxxxxxxxxxx
Cc: Valdis.Kletnieks@xxxxxx
LKML-Reference: <20090918172819.GA24405@xxxxxxxxxxxxxxxxxx>
[ did more checkpatch fixlets ]
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
include/linux/rculist_nulls.h | 2 +-
include/linux/rcupdate.h | 6 +++---
include/linux/rcutree.h | 2 +-
kernel/rcupdate.c | 4 ++--
kernel/rcutorture.c | 28 +++++++++++++++-------------
kernel/rcutree.c | 2 +-
kernel/rcutree.h | 2 +-
kernel/rcutree_plugin.h | 3 +--
kernel/rcutree_trace.c | 2 +-
9 files changed, 26 insertions(+), 25 deletions(-)

diff --git a/include/linux/rculist_nulls.h b/include/linux/rculist_nulls.h
index f9ddd03..589a409 100644
--- a/include/linux/rculist_nulls.h
+++ b/include/linux/rculist_nulls.h
@@ -102,7 +102,7 @@ static inline void hlist_nulls_add_head_rcu(struct hlist_nulls_node *n,
*/
#define hlist_nulls_for_each_entry_rcu(tpos, pos, head, member) \
for (pos = rcu_dereference((head)->first); \
- (!is_a_nulls(pos)) && \
+ (!is_a_nulls(pos)) && \
({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1; }); \
pos = rcu_dereference(pos->next))

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 39dce83..6fe0363 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -1,5 +1,5 @@
/*
- * Read-Copy Update mechanism for mutual exclusion
+ * Read-Copy Update mechanism for mutual exclusion
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -18,7 +18,7 @@
* Copyright IBM Corporation, 2001
*
* Author: Dipankar Sarma <dipankar@xxxxxxxxxx>
- *
+ *
* Based on the original work by Paul McKenney <paulmck@xxxxxxxxxx>
* and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen.
* Papers:
@@ -26,7 +26,7 @@
* http://lse.sourceforge.net/locking/rclock_OLS.2001.05.01c.sc.pdf (OLS2001)
*
* For detailed explanation of Read-Copy Update mechanism see -
- * http://lse.sourceforge.net/locking/rcupdate.html
+ * http://lse.sourceforge.net/locking/rcupdate.html
*
*/

diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 00d08c0..3768277 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -24,7 +24,7 @@
* and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen.
*
* For detailed explanation of Read-Copy Update mechanism see -
- * Documentation/RCU
+ * Documentation/RCU
*/

#ifndef __LINUX_RCUTREE_H
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index 28d2f24..37ac454 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -19,7 +19,7 @@
*
* Authors: Dipankar Sarma <dipankar@xxxxxxxxxx>
* Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
- *
+ *
* Based on the original work by Paul McKenney <paulmck@xxxxxxxxxx>
* and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen.
* Papers:
@@ -27,7 +27,7 @@
* http://lse.sourceforge.net/locking/rclock_OLS.2001.05.01c.sc.pdf (OLS2001)
*
* For detailed explanation of Read-Copy Update mechanism see -
- * http://lse.sourceforge.net/locking/rcupdate.html
+ * http://lse.sourceforge.net/locking/rcupdate.html
*
*/
#include <linux/types.h>
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 328a825..233768f 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -18,7 +18,7 @@
* Copyright (C) IBM Corporation, 2005, 2006
*
* Authors: Paul E. McKenney <paulmck@xxxxxxxxxx>
- * Josh Triplett <josh@xxxxxxxxxxxxxxx>
+ * Josh Triplett <josh@xxxxxxxxxxxxxxx>
*
* See also: Documentation/RCU/torture.txt
*/
@@ -50,7 +50,7 @@

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Paul E. McKenney <paulmck@xxxxxxxxxx> and "
- "Josh Triplett <josh@xxxxxxxxxxxxxxx>");
+ "Josh Triplett <josh@xxxxxxxxxxxxxxx>");

static int nreaders = -1; /* # reader threads, defaults to 2*ncpus */
static int nfakewriters = 4; /* # fake writer threads */
@@ -110,8 +110,8 @@ struct rcu_torture {
};

static LIST_HEAD(rcu_torture_freelist);
-static struct rcu_torture *rcu_torture_current = NULL;
-static long rcu_torture_current_version = 0;
+static struct rcu_torture *rcu_torture_current;
+static long rcu_torture_current_version;
static struct rcu_torture rcu_tortures[10 * RCU_TORTURE_PIPE_LEN];
static DEFINE_SPINLOCK(rcu_torture_lock);
static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], rcu_torture_count) =
@@ -124,11 +124,11 @@ static atomic_t n_rcu_torture_alloc_fail;
static atomic_t n_rcu_torture_free;
static atomic_t n_rcu_torture_mberror;
static atomic_t n_rcu_torture_error;
-static long n_rcu_torture_timers = 0;
+static long n_rcu_torture_timers;
static struct list_head rcu_torture_removed;
static cpumask_var_t shuffle_tmp_mask;

-static int stutter_pause_test = 0;
+static int stutter_pause_test;

#if defined(MODULE) || defined(CONFIG_RCU_TORTURE_TEST_RUNNABLE)
#define RCUTORTURE_RUNNABLE_INIT 1
@@ -267,7 +267,8 @@ struct rcu_torture_ops {
int irq_capable;
char *name;
};
-static struct rcu_torture_ops *cur_ops = NULL;
+
+static struct rcu_torture_ops *cur_ops;

/*
* Definitions for rcu torture testing.
@@ -342,8 +343,8 @@ static struct rcu_torture_ops rcu_ops = {
.sync = synchronize_rcu,
.cb_barrier = rcu_barrier,
.stats = NULL,
- .irq_capable = 1,
- .name = "rcu"
+ .irq_capable = 1,
+ .name = "rcu"
};

static void rcu_sync_torture_deferred_free(struct rcu_torture *p)
@@ -641,7 +642,8 @@ rcu_torture_writer(void *arg)

do {
schedule_timeout_uninterruptible(1);
- if ((rp = rcu_torture_alloc()) == NULL)
+ rp = rcu_torture_alloc();
+ if (rp == NULL)
continue;
rp->rtort_pipe_count = 0;
udelay(rcu_random(&rand) & 0x3ff);
@@ -1113,7 +1115,7 @@ rcu_torture_init(void)
printk(KERN_ALERT "rcutorture: invalid torture type: \"%s\"\n",
torture_type);
mutex_unlock(&fullstop_mutex);
- return (-EINVAL);
+ return -EINVAL;
}
if (cur_ops->init)
cur_ops->init(); /* no "goto unwind" prior to this point!!! */
@@ -1164,7 +1166,7 @@ rcu_torture_init(void)
goto unwind;
}
fakewriter_tasks = kzalloc(nfakewriters * sizeof(fakewriter_tasks[0]),
- GFP_KERNEL);
+ GFP_KERNEL);
if (fakewriter_tasks == NULL) {
VERBOSE_PRINTK_ERRSTRING("out of memory");
firsterr = -ENOMEM;
@@ -1173,7 +1175,7 @@ rcu_torture_init(void)
for (i = 0; i < nfakewriters; i++) {
VERBOSE_PRINTK_STRING("Creating rcu_torture_fakewriter task");
fakewriter_tasks[i] = kthread_run(rcu_torture_fakewriter, NULL,
- "rcu_torture_fakewriter");
+ "rcu_torture_fakewriter");
if (IS_ERR(fakewriter_tasks[i])) {
firsterr = PTR_ERR(fakewriter_tasks[i]);
VERBOSE_PRINTK_ERRSTRING("Failed to create fakewriter");
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 1b32cdd..52b06f6 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -25,7 +25,7 @@
* and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen.
*
* For detailed explanation of Read-Copy Update mechanism see -
- * Documentation/RCU
+ * Documentation/RCU
*/
#include <linux/types.h>
#include <linux/kernel.h>
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index bf8a6f9..8e8287a 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -142,7 +142,7 @@ struct rcu_data {
*/
struct rcu_head *nxtlist;
struct rcu_head **nxttail[RCU_NEXT_SIZE];
- long qlen; /* # of queued callbacks */
+ long qlen; /* # of queued callbacks */
long blimit; /* Upper limit on a processed batch */

#ifdef CONFIG_NO_HZ
diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index 09b7325..1cee04f 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -370,9 +370,8 @@ static void rcu_preempt_check_callbacks(int cpu)
rcu_preempt_qs(cpu);
return;
}
- if (per_cpu(rcu_preempt_data, cpu).qs_pending) {
+ if (per_cpu(rcu_preempt_data, cpu).qs_pending)
t->rcu_read_unlock_special |= RCU_READ_UNLOCK_NEED_QS;
- }
}

/*
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
index 0ea1bff..c89f5e9 100644
--- a/kernel/rcutree_trace.c
+++ b/kernel/rcutree_trace.c
@@ -20,7 +20,7 @@
* Papers: http://www.rdrop.com/users/paulmck/RCU
*
* For detailed explanation of Read-Copy Update mechanism see -
- * Documentation/RCU
+ * Documentation/RCU
*
*/
#include <linux/types.h>
--
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