Messages in this thread | | | Date | Tue, 15 Jan 2013 07:44:21 -0800 | Subject | Re: [PATCH v8 02/22] PCI: Add root bus children dev's res to fail list | From | Yinghai Lu <> |
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On Tue, Jan 15, 2013 at 3:21 AM, Rafael J. Wysocki <rjw@sisk.pl> 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@sisk.pl> 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.
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