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[v3,0/5] powerpc/pseries: Machien check handler improvements.

Message ID 152839244928.25118.15100234720683911223.stgit@jupiter.in.ibm.com (mailing list archive)
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Series powerpc/pseries: Machien check handler improvements. | expand

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Mahesh J Salgaonkar June 7, 2018, 5:27 p.m. UTC 
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 2 fixes endain bug while restoring of r3 in MCE handler.
Patch 4 dumps the SLB contents on SLB MCE errors to improve the debugability.
Patch 5 display's the MCE error details on console.

CHange in V3:
- Moved patch 5 to patch 2

Change in V2:
- patch 3: Display additional info (NIP and task info) in MCE error details.
- patch 5: Fix endain bug while restoring of r3 in MCE handler.

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Mahesh Salgaonkar (5):
      powerpc/pseries: convert rtas_log_buf to linear allocation.
      powerpc/pseries: Fix endainness while restoring of r3 in MCE handler.
      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          |  155 +++++++++++++++++++++++++
 5 files changed, 299 insertions(+), 3 deletions(-)

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