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authorArjan van de Ven <arjan@infradead.org>2006-03-23 03:00:24 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-23 07:38:10 -0800
commit97d1f15b7ef52c1e9c28dc48b454024bb53a5fd2 (patch)
tree7bdb928096eec577e75897351f639d3f94441c87 /kernel/profile.c
parente723ccd805857a46d3b63fbd20edea8579c6c541 (diff)
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[PATCH] sem2mutex: kernel/
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/profile.c')
-rw-r--r--kernel/profile.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/profile.c b/kernel/profile.c
index f89248e6d704..ad81f799a9b4 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -23,6 +23,7 @@
#include <linux/cpu.h>
#include <linux/profile.h>
#include <linux/highmem.h>
+#include <linux/mutex.h>
#include <asm/sections.h>
#include <asm/semaphore.h>
@@ -44,7 +45,7 @@ static cpumask_t prof_cpu_mask = CPU_MASK_ALL;
#ifdef CONFIG_SMP
static DEFINE_PER_CPU(struct profile_hit *[2], cpu_profile_hits);
static DEFINE_PER_CPU(int, cpu_profile_flip);
-static DECLARE_MUTEX(profile_flip_mutex);
+static DEFINE_MUTEX(profile_flip_mutex);
#endif /* CONFIG_SMP */
static int __init profile_setup(char * str)
@@ -243,7 +244,7 @@ static void profile_flip_buffers(void)
{
int i, j, cpu;
- down(&profile_flip_mutex);
+ mutex_lock(&profile_flip_mutex);
j = per_cpu(cpu_profile_flip, get_cpu());
put_cpu();
on_each_cpu(__profile_flip_buffers, NULL, 0, 1);
@@ -259,14 +260,14 @@ static void profile_flip_buffers(void)
hits[i].hits = hits[i].pc = 0;
}
}
- up(&profile_flip_mutex);
+ mutex_unlock(&profile_flip_mutex);
}
static void profile_discard_flip_buffers(void)
{
int i, cpu;
- down(&profile_flip_mutex);
+ mutex_lock(&profile_flip_mutex);
i = per_cpu(cpu_profile_flip, get_cpu());
put_cpu();
on_each_cpu(__profile_flip_buffers, NULL, 0, 1);
@@ -274,7 +275,7 @@ static void profile_discard_flip_buffers(void)
struct profile_hit *hits = per_cpu(cpu_profile_hits, cpu)[i];
memset(hits, 0, NR_PROFILE_HIT*sizeof(struct profile_hit));
}
- up(&profile_flip_mutex);
+ mutex_unlock(&profile_flip_mutex);
}
void profile_hit(int type, void *__pc)