On Tuesday, January 15, 2013 07:44:21 AM Yinghai Lu wrote: > 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. It would be good to say that in the changelog too. It's a clear justification for the change if we're going to support root bridge hotplug (which we are). Thanks, Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
