On Sat, Oct 31, 2015 at 12:32:29AM +0300, Alexey Khoroshilov wrote: > Hello, > > hfi1_ioctl() contains many calls to might sleep functions with > dd->hfi1_snoop.snoop_lock spinlock held (for example, access_ok, > copy_from_user, kzalloc(GFP_KERNEL), etc.). > > Should dd->hfi1_snoop.snoop_lock be acquired just before updating state? I believe you are correct. I am currently in the process of pushing fixes to the staging tree. We have a patch which fixes this queued up but it depends on at least one other patch in my queue. I will do my best to get this submitted soon. Thanks, Ira -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html