On Tue, Jan 15, 2013 at 3:21 AM, Rafael J. Wysocki <rjw@xxxxxxx> wrote: > On Monday, January 14, 2013 10:23:47 PM Yinghai Lu wrote: >> On Sat, Jan 12, 2013 at 1:37 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote: >> > On Friday, January 11, 2013 02:40:29 PM Yinghai Lu wrote: >> >> We can stop trying according to try number now and do not need to use >> >> root_bus checking as stop sign anymore. >> >> >> >> In extreme case we could need to reallocate resource for device just >> >> under root bus. >> > >> > Well, the above says that we _can_ do the change, but it doesn't explain why it >> > is needed. So what's the reason why we need to do that? >> >> In extreme case we could need to reallocate resource for device just >> under root bus. >> >> otherwise, those devices just under root bus will not be assigned >> resources again. > > IOW, our current code will not cover the case when we hot plug a host bridge > and need to reassign resources for devices integrated into it? yes. in extreme case if _CRS range is not big enough. -- 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
