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[PATCH] sem2mutex: kprobes

Browse source 
Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Anil S Keshavamurthy <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ingo Molnar 2006-03-23 03:00:35 -08:00 • committed by Linus Torvalds
commit 7a7d1cf954
5 changed files with 15 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

14
kernel/kprobes.c
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@ -48,7 +48,7 @@
static struct hlist_head kprobe_table[KPROBE_TABLE_SIZE];
static struct hlist_head kretprobe_inst_table[KPROBE_TABLE_SIZE];
DECLARE_MUTEX(kprobe_mutex); /* Protects kprobe_table */
DEFINE_MUTEX(kprobe_mutex); /* Protects kprobe_table */
DEFINE_SPINLOCK(kretprobe_lock); /* Protects kretprobe_inst_table */
static DEFINE_PER_CPU(struct kprobe *, kprobe_instance) = NULL;
@ -460,7 +460,7 @@ static int __kprobes __register_kprobe(struct kprobe *p,
}
p->nmissed = 0;
down(&kprobe_mutex);
mutex_lock(&kprobe_mutex);
old_p = get_kprobe(p->addr);
if (old_p) {
ret = register_aggr_kprobe(old_p, p);
@ -477,7 +477,7 @@ static int __kprobes __register_kprobe(struct kprobe *p,
arch_arm_kprobe(p);
out:
up(&kprobe_mutex);
mutex_unlock(&kprobe_mutex);
if (ret && probed_mod)
module_put(probed_mod);
@ -496,10 +496,10 @@ void __kprobes unregister_kprobe(struct kprobe *p)
struct kprobe *old_p, *list_p;
int cleanup_p;
down(&kprobe_mutex);
mutex_lock(&kprobe_mutex);
old_p = get_kprobe(p->addr);
if (unlikely(!old_p)) {
up(&kprobe_mutex);
mutex_unlock(&kprobe_mutex);
return;
}
if (p != old_p) {
@ -507,7 +507,7 @@ void __kprobes unregister_kprobe(struct kprobe *p)
if (list_p == p)
/* kprobe p is a valid probe */
goto valid_p;
up(&kprobe_mutex);
mutex_unlock(&kprobe_mutex);
return;
}
valid_p:
@ -523,7 +523,7 @@ valid_p:
cleanup_p = 0;
}
up(&kprobe_mutex);
mutex_unlock(&kprobe_mutex);
synchronize_sched();
if (p->mod_refcounted &&