On 09/14/2012 04:03 PM, Konrad Rzeszutek Wilk wrote: >> As to the boot parameter to enable this function, you suggested using >> reset_devices. I found that on a certain platform resetting devices >> caused PCIe error due to a hardware bug. Therefore I think we need >> new parameter apart from reset_devices to disable this function on >> such a machine. > > Wouldn't a DMI quirk be better for this? That way the second kernel > internally would know not to do this. > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo at vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html a DMI quirk for a PCIe switch? pci-quirk maybe? there is a hook in per-device pci reset code path, which could be setup for such a case.
