Philippe Gramoullé <philippe.gramoulle@mmania.com> wrote:
>
> I'll wait for the fix and will happily try it once it's available.
Something like this...
diff -puN lib/kobject.c~kobj_lock-fix lib/kobject.c
--- 25/lib/kobject.c~kobj_lock-fix Tue Apr 15 16:31:28 2003
+++ 25-akpm/lib/kobject.c Tue Apr 15 16:34:33 2003
@@ -336,12 +336,14 @@ void kobject_unregister(struct kobject *
struct kobject * kobject_get(struct kobject * kobj)
{
struct kobject * ret = kobj;
- spin_lock(&kobj_lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&kobj_lock, flags);
if (kobj && atomic_read(&kobj->refcount) > 0)
atomic_inc(&kobj->refcount);
else
ret = NULL;
- spin_unlock(&kobj_lock);
+ spin_unlock_irqrestore(&kobj_lock, flags);
return ret;
}
@@ -371,10 +373,15 @@ void kobject_cleanup(struct kobject * ko
void kobject_put(struct kobject * kobj)
{
- if (!atomic_dec_and_lock(&kobj->refcount, &kobj_lock))
- return;
- spin_unlock(&kobj_lock);
- kobject_cleanup(kobj);
+ unsigned long flags;
+
+ local_irq_save(flags);
+ if (atomic_dec_and_lock(&kobj->refcount, &kobj_lock)) {
+ spin_unlock_irqrestore(&kobj_lock, flags);
+ kobject_cleanup(kobj);
+ } else {
+ local_irq_restore(flags);
+ }
}
_
-
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This archive was generated by hypermail 2b29 : Tue Apr 15 2003 - 22:00:37 EST