Re: [PATCH v1] powerpc/64s: Fix unrecoverable MCE crash

2021-09-23 Thread Ganesh
On 9/22/21 7:32 AM, Nicholas Piggin wrote: The machine check handler is not considered NMI on 64s. The early handler is the true NMI handler, and then it schedules the machine_check_exception handler to run when interrupts are enabled. This works fine except the case of an unrecoverable MCE, wh

[PATCH v1] powerpc/64s: Fix unrecoverable MCE crash

2021-09-21 Thread Nicholas Piggin
The machine check handler is not considered NMI on 64s. The early handler is the true NMI handler, and then it schedules the machine_check_exception handler to run when interrupts are enabled. This works fine except the case of an unrecoverable MCE, where the true NMI is taken when MSR[RI] is clea