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Merge branch 'core/debugobjects' into core/urgent
This commit is contained in:
commit
d7ee56059b
1 changed files with 6 additions and 9 deletions
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@ -68,6 +68,7 @@ static int fill_pool(void)
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{
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gfp_t gfp = GFP_ATOMIC | __GFP_NORETRY | __GFP_NOWARN;
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struct debug_obj *new;
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unsigned long flags;
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if (likely(obj_pool_free >= ODEBUG_POOL_MIN_LEVEL))
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return obj_pool_free;
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@ -81,10 +82,10 @@ static int fill_pool(void)
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if (!new)
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return obj_pool_free;
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spin_lock(&pool_lock);
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spin_lock_irqsave(&pool_lock, flags);
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hlist_add_head(&new->node, &obj_pool);
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obj_pool_free++;
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spin_unlock(&pool_lock);
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spin_unlock_irqrestore(&pool_lock, flags);
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}
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return obj_pool_free;
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}
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@ -110,16 +111,13 @@ static struct debug_obj *lookup_object(void *addr, struct debug_bucket *b)
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}
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/*
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* Allocate a new object. If the pool is empty and no refill possible,
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* switch off the debugger.
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* Allocate a new object. If the pool is empty, switch off the debugger.
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*/
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static struct debug_obj *
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alloc_object(void *addr, struct debug_bucket *b, struct debug_obj_descr *descr)
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{
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struct debug_obj *obj = NULL;
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int retry = 0;
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repeat:
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spin_lock(&pool_lock);
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if (obj_pool.first) {
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obj = hlist_entry(obj_pool.first, typeof(*obj), node);
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@ -141,9 +139,6 @@ alloc_object(void *addr, struct debug_bucket *b, struct debug_obj_descr *descr)
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}
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spin_unlock(&pool_lock);
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if (fill_pool() && !obj && !retry++)
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goto repeat;
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return obj;
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}
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@ -261,6 +256,8 @@ __debug_object_init(void *addr, struct debug_obj_descr *descr, int onstack)
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struct debug_obj *obj;
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unsigned long flags;
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fill_pool();
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db = get_bucket((unsigned long) addr);
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spin_lock_irqsave(&db->lock, flags);
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