Re: [PATCH v2 08/14] powerpc/pseries/ras: fwnmi sreset should not interlock

2020-04-06 Thread Nicholas Piggin
Christophe Leroy's on April 4, 2020 12:35 am: > > > Le 03/04/2020 à 15:26, Nicholas Piggin a écrit : >> PAPR does not specify that fwnmi sreset should be interlocked, and >> PowerVM (and therefore now QEMU) do not require it. >> >> These "ibm,nmi-interlock" calls are ignored by firmware, but the

Re: [PATCH v2 08/14] powerpc/pseries/ras: fwnmi sreset should not interlock

2020-04-03 Thread Christophe Leroy
Le 03/04/2020 à 15:26, Nicholas Piggin a écrit : PAPR does not specify that fwnmi sreset should be interlocked, and PowerVM (and therefore now QEMU) do not require it. These "ibm,nmi-interlock" calls are ignored by firmware, but there is a possibility that the sreset could have interrupted a

[PATCH v2 08/14] powerpc/pseries/ras: fwnmi sreset should not interlock

2020-04-03 Thread Nicholas Piggin
PAPR does not specify that fwnmi sreset should be interlocked, and PowerVM (and therefore now QEMU) do not require it. These "ibm,nmi-interlock" calls are ignored by firmware, but there is a possibility that the sreset could have interrupted a machine check and release the machine check's interloc