Subject: [merged] softirq-use-const-char-const-for-softirq_to_name-whitespace-neatening.patch removed from -mm tree
To: joe@xxxxxxxxxxx,fweisbec@xxxxxxxxx,mingo@xxxxxxx,tglx@xxxxxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 28 Jan 2014 11:09:53 -0800
The patch titled
Subject: softirq: use const char * const for softirq_to_name, whitespace neatening
has been removed from the -mm tree. Its filename was
softirq-use-const-char-const-for-softirq_to_name-whitespace-neatening.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Joe Perches <joe@xxxxxxxxxxx>
Subject: softirq: use const char * const for softirq_to_name, whitespace neatening
Reduce data size a little.
Reduce checkpatch noise.
$ size kernel/softirq.o*
text data bss dec hex filename
11554 6013 4008 21575 5447 kernel/softirq.o.new
11474 6093 4008 21575 5447 kernel/softirq.o.old
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/interrupt.h | 2 +-
kernel/softirq.c | 25 +++++++++----------------
2 files changed, 10 insertions(+), 17 deletions(-)
diff -puN include/linux/interrupt.h~softirq-use-const-char-const-for-softirq_to_name-whitespace-neatening include/linux/interrupt.h
--- a/include/linux/interrupt.h~softirq-use-const-char-const-for-softirq_to_name-whitespace-neatening
+++ a/include/linux/interrupt.h
@@ -360,7 +360,7 @@ enum
/* map softirq index to softirq name. update 'softirq_to_name' in
* kernel/softirq.c when adding a new softirq.
*/
-extern char *softirq_to_name[NR_SOFTIRQS];
+extern const char * const softirq_to_name[NR_SOFTIRQS];
/* softirq mask and active fields moved to irq_cpustat_t in
* asm/hardirq.h to get better cache usage. KAO
diff -puN kernel/softirq.c~softirq-use-const-char-const-for-softirq_to_name-whitespace-neatening kernel/softirq.c
--- a/kernel/softirq.c~softirq-use-const-char-const-for-softirq_to_name-whitespace-neatening
+++ a/kernel/softirq.c
@@ -56,7 +56,7 @@ static struct softirq_action softirq_vec
DEFINE_PER_CPU(struct task_struct *, ksoftirqd);
-char *softirq_to_name[NR_SOFTIRQS] = {
+const char * const softirq_to_name[NR_SOFTIRQS] = {
"HI", "TIMER", "NET_TX", "NET_RX", "BLOCK", "BLOCK_IOPOLL",
"TASKLET", "SCHED", "HRTIMER", "RCU"
};
@@ -138,7 +138,6 @@ void _local_bh_enable(void)
WARN_ON_ONCE(in_irq());
__local_bh_enable(SOFTIRQ_DISABLE_OFFSET);
}
-
EXPORT_SYMBOL(_local_bh_enable);
void __local_bh_enable_ip(unsigned long ip, unsigned int cnt)
@@ -155,7 +154,7 @@ void __local_bh_enable_ip(unsigned long
/*
* Keep preemption disabled until we are done with
* softirq processing:
- */
+ */
preempt_count_sub(cnt - 1);
if (unlikely(!in_interrupt() && local_softirq_pending())) {
@@ -436,8 +435,7 @@ void open_softirq(int nr, void (*action)
/*
* Tasklets
*/
-struct tasklet_head
-{
+struct tasklet_head {
struct tasklet_struct *head;
struct tasklet_struct **tail;
};
@@ -456,7 +454,6 @@ void __tasklet_schedule(struct tasklet_s
raise_softirq_irqoff(TASKLET_SOFTIRQ);
local_irq_restore(flags);
}
-
EXPORT_SYMBOL(__tasklet_schedule);
void __tasklet_hi_schedule(struct tasklet_struct *t)
@@ -470,7 +467,6 @@ void __tasklet_hi_schedule(struct taskle
raise_softirq_irqoff(HI_SOFTIRQ);
local_irq_restore(flags);
}
-
EXPORT_SYMBOL(__tasklet_hi_schedule);
void __tasklet_hi_schedule_first(struct tasklet_struct *t)
@@ -481,7 +477,6 @@ void __tasklet_hi_schedule_first(struct
__this_cpu_write(tasklet_hi_vec.head, t);
__raise_softirq_irqoff(HI_SOFTIRQ);
}
-
EXPORT_SYMBOL(__tasklet_hi_schedule_first);
static void tasklet_action(struct softirq_action *a)
@@ -501,7 +496,8 @@ static void tasklet_action(struct softir
if (tasklet_trylock(t)) {
if (!atomic_read(&t->count)) {
- if (!test_and_clear_bit(TASKLET_STATE_SCHED, &t->state))
+ if (!test_and_clear_bit(TASKLET_STATE_SCHED,
+ &t->state))
BUG();
t->func(t->data);
tasklet_unlock(t);
@@ -536,7 +532,8 @@ static void tasklet_hi_action(struct sof
if (tasklet_trylock(t)) {
if (!atomic_read(&t->count)) {
- if (!test_and_clear_bit(TASKLET_STATE_SCHED, &t->state))
+ if (!test_and_clear_bit(TASKLET_STATE_SCHED,
+ &t->state))
BUG();
t->func(t->data);
tasklet_unlock(t);
@@ -554,7 +551,6 @@ static void tasklet_hi_action(struct sof
}
}
-
void tasklet_init(struct tasklet_struct *t,
void (*func)(unsigned long), unsigned long data)
{
@@ -564,7 +560,6 @@ void tasklet_init(struct tasklet_struct
t->func = func;
t->data = data;
}
-
EXPORT_SYMBOL(tasklet_init);
void tasklet_kill(struct tasklet_struct *t)
@@ -580,7 +575,6 @@ void tasklet_kill(struct tasklet_struct
tasklet_unlock_wait(t);
clear_bit(TASKLET_STATE_SCHED, &t->state);
}
-
EXPORT_SYMBOL(tasklet_kill);
/*
@@ -730,9 +724,8 @@ static void takeover_tasklets(unsigned i
}
#endif /* CONFIG_HOTPLUG_CPU */
-static int cpu_callback(struct notifier_block *nfb,
- unsigned long action,
- void *hcpu)
+static int cpu_callback(struct notifier_block *nfb, unsigned long action,
+ void *hcpu)
{
switch (action) {
#ifdef CONFIG_HOTPLUG_CPU
_
Patches currently in -mm which might be from joe@xxxxxxxxxxx are
origin.patch
lib-genallocc-add-check-gen_pool_dma_alloc-if-dma-pointer-is-not-null.patch
linux-next.patch
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