RFC NMI IPI work in progress for Linux and OPAL
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- v1 RFC Latest2 patches 8 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | core: implement OPAL_SIGNAL_SYSTEM_RESET with POWER9 scomscore/ core/ hw/ +2 more | +245 | 3 replies | |
| 2/2 | powerpc/powernv: implement NMI IPIs with OPAL_SIGNAL_SYSTEM_RESETarch/ arch/ arch/ +4 more | +132 | 5 replies |
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Cover letter [RFC PATCH 0/2] NMI IPI work in progress for Linux and OPAL
Hi,
I have Linux and OPAL patches that make the NMI IPI facility work on a POWER9 DD1 here, lightly tested. It works for threads that are running and are in stop (at least the stop0_lite state enabled in DD1).
Comments on the OPAL patch in particular would be good. Next step will be more testing with DD2 and different idle states.
This was taken mostly from pdbg but I have ended up changing a few things (e.g., to make it work in idle state).
Thanks,
Nick