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authorMarkus Armbruster <armbru@redhat.com>2006-06-25 14:47:33 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 19:01:04 +0200
commit59cc185ada89245204c658ebcf64422968736672 (patch)
tree042e46cfe90c2ad5b711e2791b05f73ab1fe7725 /drivers/oprofile/buffer_sync.c
parent[PATCH] msnd section fix (diff)
downloadlinux-59cc185ada89245204c658ebcf64422968736672.tar.xz
linux-59cc185ada89245204c658ebcf64422968736672.zip
[PATCH] oprofile: convert from semaphores to mutexes
Signed-off-by: Markus Armbruster <armbru@redhat.com> Cc: Philippe Elie <phil.el@wanadoo.fr> Cc: John Levon <levon@movementarian.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/oprofile/buffer_sync.c')
-rw-r--r--drivers/oprofile/buffer_sync.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index b2e8e49c8659..43e521e99126 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -108,10 +108,10 @@ static int module_load_notify(struct notifier_block * self, unsigned long val, v
return 0;
/* FIXME: should we process all CPU buffers ? */
- down(&buffer_sem);
+ mutex_lock(&buffer_mutex);
add_event_entry(ESCAPE_CODE);
add_event_entry(MODULE_LOADED_CODE);
- up(&buffer_sem);
+ mutex_unlock(&buffer_mutex);
#endif
return 0;
}
@@ -501,7 +501,7 @@ void sync_buffer(int cpu)
sync_buffer_state state = sb_buffer_start;
unsigned long available;
- down(&buffer_sem);
+ mutex_lock(&buffer_mutex);
add_cpu_switch(cpu);
@@ -550,5 +550,5 @@ void sync_buffer(int cpu)
mark_done(cpu);
- up(&buffer_sem);
+ mutex_unlock(&buffer_mutex);
}