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author | Ingo Molnar <mingo@elte.hu> | 2008-06-27 10:36:21 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-06-27 10:36:21 +0200 |
commit | d7ee56059b335e27c3c6db34f7efe5a705d65b1c (patch) | |
tree | 5c2433af5d8ec99c3c062a0e133e8c845004d3b2 | |
parent | 1b7558e457ed0de61023cfc913d2c342c7c3d9f2 (diff) | |
parent | 50db04dd9c74178e68a981a7127c37252ffb3242 (diff) | |
download | blackbird-op-linux-d7ee56059b335e27c3c6db34f7efe5a705d65b1c.tar.gz blackbird-op-linux-d7ee56059b335e27c3c6db34f7efe5a705d65b1c.zip |
Merge branch 'core/debugobjects' into core/urgent
-rw-r--r-- | lib/debugobjects.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/lib/debugobjects.c b/lib/debugobjects.c index a76a5e122ae1..85b18d79be89 100644 --- a/lib/debugobjects.c +++ b/lib/debugobjects.c @@ -68,6 +68,7 @@ static int fill_pool(void) { gfp_t gfp = GFP_ATOMIC | __GFP_NORETRY | __GFP_NOWARN; struct debug_obj *new; + unsigned long flags; if (likely(obj_pool_free >= ODEBUG_POOL_MIN_LEVEL)) return obj_pool_free; @@ -81,10 +82,10 @@ static int fill_pool(void) if (!new) return obj_pool_free; - spin_lock(&pool_lock); + spin_lock_irqsave(&pool_lock, flags); hlist_add_head(&new->node, &obj_pool); obj_pool_free++; - spin_unlock(&pool_lock); + spin_unlock_irqrestore(&pool_lock, flags); } return obj_pool_free; } @@ -110,16 +111,13 @@ static struct debug_obj *lookup_object(void *addr, struct debug_bucket *b) } /* - * Allocate a new object. If the pool is empty and no refill possible, - * switch off the debugger. + * Allocate a new object. If the pool is empty, switch off the debugger. */ static struct debug_obj * alloc_object(void *addr, struct debug_bucket *b, struct debug_obj_descr *descr) { struct debug_obj *obj = NULL; - int retry = 0; -repeat: spin_lock(&pool_lock); if (obj_pool.first) { obj = hlist_entry(obj_pool.first, typeof(*obj), node); @@ -141,9 +139,6 @@ repeat: } spin_unlock(&pool_lock); - if (fill_pool() && !obj && !retry++) - goto repeat; - return obj; } @@ -261,6 +256,8 @@ __debug_object_init(void *addr, struct debug_obj_descr *descr, int onstack) struct debug_obj *obj; unsigned long flags; + fill_pool(); + db = get_bucket((unsigned long) addr); spin_lock_irqsave(&db->lock, flags); |