On Thursday 11 April 2013 19:42:53 Ming Lei wrote: > On Thu, Apr 11, 2013 at 7:08 PM, Bjørn Mork <bjorn@xxxxxxx> wrote: > > > > The docs for usb_submit_urb() in drivers/usb/core/urb.c lists some > > possible mem_flags use cases. Among these are (where (b) and (c) are > > cases needing GFP_ATOMIC and not applicable here): > > > > <quote> > > * (3) If you use a kernel thread with a network driver you must use > > * GFP_NOIO, unless (b) or (c) apply; > > </quote> > > > > Is this example > > a) wrong, or > > b) not applicable, or > > c) to be excluded from the new API? > > IMO, it may be a) or b), and we can find many GFP_KERNEL usage > inside usbnet(kevent(), ...). Only in the rx path. > Also (3) doesn't explain the cause. Oliver, could you give a hit? IIRC this was to cover networked file systems. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
