Re: [PATCH 0/3] spapr: Fix device unplug vs CAS or migration

2020-02-13 Thread David Gibson
On Thu, Feb 13, 2020 at 04:10:55PM +0100, Greg Kurz wrote: > Ping ? > > This series fixes actual bugs. Also, I have another patch on top of > that to cold plug (or remove) devices pending hot plug (or unplug) > before CAS, hence removing the need for CAS reboot in these cases. > This requires SLOF

Re: [PATCH 0/3] spapr: Fix device unplug vs CAS or migration

2020-02-13 Thread Greg Kurz
Ping ? This series fixes actual bugs. Also, I have another patch on top of that to cold plug (or remove) devices pending hot plug (or unplug) before CAS, hence removing the need for CAS reboot in these cases. This requires SLOF to correctly parse the FDT it gets at CAS. Patches have been sent for

[PATCH 0/3] spapr: Fix device unplug vs CAS or migration

2020-02-03 Thread Greg Kurz
While working on getting rid of CAS reboot, I realized that we currently don't handle device hot unplug properly in the following situations: 1) if the device is unplugged between boot and CAS, SLOF doesn't handle the even, which is a known limitation. The device hence stays around forever (