From: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx> Date: Sun, 01 Dec 2013 02:34:37 +0100 > From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > > Modify tg3_chip_reset() and tg3_close() to check if the PCI network > adapter device is accessible at all in order to skip poking it or > trying to handle a carrier loss in vain when that's not the case. > Introduce a special PCI helper function pci_device_is_present() > for this purpose. > > Of course, this uncovers the lack of the appropriate RTNL locking > in tg3_suspend() and tg3_resume(), so add that locking in there > too. > > These changes prevent tg3 from burning a CPU at 100% load level for > solid several seconds after the Thunderbolt link is disconnected from > a Matrox DS1 docking station. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Applied, thanks everyone. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
