[PATCH 0/5] powerpc: various interrupt handling fixes

Nicholas Piggin npiggin at gmail.com
Tue Oct 5 01:56:37 AEDT 2021


This fixes a number of bugs found mostly looking at a MCE handler issue,
which should be fixed in patch 5 of the series, previous attempt here
which Ganesh found to be wrong.

https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20210922020247.209409-1-npiggin@gmail.com/

I didn't increment to patch v2 because it's a different approach (so I
gave it a different title).

Thanks,
Nick

Nicholas Piggin (5):
  powerpc/64s: fix program check interrupt emergency stack path
  powerpc/traps: do not enable irqs in _exception
  powerpc/64: warn if local irqs are enabled in NMI or hardirq context
  powerpc/64/interrupt: Reconcile soft-mask state in NMI and fix false
    BUG
  powerpc/64s: Fix unrecoverable MCE calling async handler from NMI

 arch/powerpc/include/asm/interrupt.h | 18 ++++++------
 arch/powerpc/kernel/exceptions-64s.S | 25 ++++++++++------
 arch/powerpc/kernel/irq.c            |  6 ++++
 arch/powerpc/kernel/traps.c          | 43 +++++++++++++++++-----------
 4 files changed, 59 insertions(+), 33 deletions(-)

-- 
2.23.0



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