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Diffstat (limited to 'kernel/lockdep.c')
-rw-r--r--kernel/lockdep.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 9a1e2bcc4b8d..981cd4854281 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2254,7 +2254,7 @@ void trace_softirqs_off(unsigned long ip)
2254 debug_atomic_inc(&redundant_softirqs_off); 2254 debug_atomic_inc(&redundant_softirqs_off);
2255} 2255}
2256 2256
2257void lockdep_trace_alloc(gfp_t gfp_mask) 2257static void __lockdep_trace_alloc(gfp_t gfp_mask, unsigned long flags)
2258{ 2258{
2259 struct task_struct *curr = current; 2259 struct task_struct *curr = current;
2260 2260
@@ -2273,12 +2273,29 @@ void lockdep_trace_alloc(gfp_t gfp_mask)
2273 if (!(gfp_mask & __GFP_FS)) 2273 if (!(gfp_mask & __GFP_FS))
2274 return; 2274 return;
2275 2275
2276 if (DEBUG_LOCKS_WARN_ON(irqs_disabled())) 2276 if (DEBUG_LOCKS_WARN_ON(irqs_disabled_flags(flags)))
2277 return; 2277 return;
2278 2278
2279 mark_held_locks(curr, RECLAIM_FS); 2279 mark_held_locks(curr, RECLAIM_FS);
2280} 2280}
2281 2281
2282static void check_flags(unsigned long flags);
2283
2284void lockdep_trace_alloc(gfp_t gfp_mask)
2285{
2286 unsigned long flags;
2287
2288 if (unlikely(current->lockdep_recursion))
2289 return;
2290
2291 raw_local_irq_save(flags);
2292 check_flags(flags);
2293 current->lockdep_recursion = 1;
2294 __lockdep_trace_alloc(gfp_mask, flags);
2295 current->lockdep_recursion = 0;
2296 raw_local_irq_restore(flags);
2297}
2298
2282static int mark_irqflags(struct task_struct *curr, struct held_lock *hlock) 2299static int mark_irqflags(struct task_struct *curr, struct held_lock *hlock)
2283{ 2300{
2284 /* 2301 /*