On 12/31/07, Robert Watson <[EMAIL PROTECTED]> wrote: > > On Mon, 31 Dec 2007, Tofig Suleymanov wrote: > > >>> xxxxxx kernel: ib0: if_start running deferred for Giant > >>> > >>> I am not sure what does this exactly mean. > >>> > >>> Any help would be appreciated. > >> > >> This occurs when a network device driver has declared itself IFF_NEEDSGIANT > >> -- that is, has declared that it requires the Giant lock in order to > >> operate. As this is considered an undesirable state of affairs for a device > >> driver, a warning is printed. However, in the case of a USB device driver, > >> it is currently required as the USB framework is not MPSAFE, so requires > >> Giant. > > > > Thanks for clarification. Does it mean that I can ignore this notice when > > dealing with USB framework ? > > For now, yes. When, at some point, the USB framework is MPSAFE, we'll need to > remove IFF_NEEDSGIANT, and I'd make sure that your device driver is as ready > as it can be to operate Giant-free once that's done. > > Robert N M Watson > Computer Laboratory > University of Cambridge >
Now it is clear to me. Thanks for your help. _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
