On Mon, 9 Jul 2012, JoonSoo Kim wrote: > 2012/7/8 Fengguang Wu <fengguang...@intel.com>: > > Hi Vegard, > > > > This warning code is triggered for the attached config: > > > > __lockdep_trace_alloc(): > > /* > > * Oi! Can't be having __GFP_FS allocations with IRQs disabled. > > */ > > if (DEBUG_LOCKS_WARN_ON(irqs_disabled_flags(flags))) > > return; > > > > Where the irq is possibly disabled at the beginning of __slab_alloc(): > > > > local_irq_save(flags); > > Currently, in slub code, kmemcheck_alloc_shadow is always invoked with > irq_disabled. > I think that something like below is needed.
Or you could move the kmem_check_enabled section to occur before the irq is disabled. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
