[RFC PATCH 0/4] powerpc/pseries: Machien check handler improvements.

Mahesh J Salgaonkar mahesh at linux.vnet.ibm.com
Wed Jun 6 14:36:23 AEST 2018


This patch series includes some improvement to Machine check handler
for pseries. Patch 1 fixes an issue where machine check handler crashes
kernel while accessing vmalloc-ed buffer while in nmi context.
Patch 3 dumps the SLB contents on SLB MCE errors to improve the debugability.
Patch 4 display's the MCE error details on console.

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Mahesh Salgaonkar (4):
      powerpc/pseries: convert rtas_log_buf to linear allocation.
      powerpc/pseries: Define MCE error event section.
      powerpc/pseries: Dump and flush SLB contents on SLB MCE errors.
      powerpc/pseries: Display machine check error details.


 arch/powerpc/include/asm/book3s/64/mmu-hash.h |    1 
 arch/powerpc/include/asm/rtas.h               |  109 +++++++++++++++++++
 arch/powerpc/kernel/rtasd.c                   |    2 
 arch/powerpc/mm/slb.c                         |   35 ++++++
 arch/powerpc/platforms/pseries/ras.c          |  145 +++++++++++++++++++++++++
 5 files changed, 290 insertions(+), 2 deletions(-)

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