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| author | Markus Armbruster <armbru@redhat.com> | 2006-06-25 05:47:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-25 10:01:04 -0700 |
| commit | 59cc185ada89245204c658ebcf64422968736672 (patch) | |
| tree | 042e46cfe90c2ad5b711e2791b05f73ab1fe7725 /drivers/oprofile/buffer_sync.c | |
| parent | a2926b1449bcc3d348e2228114b04869dc2f3986 (diff) | |
| download | kernel_samsung_espresso10-59cc185ada89245204c658ebcf64422968736672.zip kernel_samsung_espresso10-59cc185ada89245204c658ebcf64422968736672.tar.gz kernel_samsung_espresso10-59cc185ada89245204c658ebcf64422968736672.tar.bz2 | |
[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.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index b2e8e49..43e521e 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); } |