В Вс, 19/10/2014 в 21:43 +0200, Oleg Nesterov пишет: > On 10/19, Oleg Nesterov wrote: > > > > Forgot to mention... Or we can make task_struct_cachep SLAB_DESTROY_BY_RCU, > > in this case ->curr (or any other "task_struct *" ponter) can not go away > > under rcu_read_lock(). task_numa_compare() still needs the PF_EXITING check, > > but we do not need to recheck ->curr or probe_kernel_read(). > > Damn, please ignore ;) we still need to recheck ->curr.
Yeah, this bug like "collect puzzle" :) -- 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/
