[v2 PATCH 0/5] powerpc/pseries: Machien check handler improvements.
Mahesh J Salgaonkar
mahesh at linux.vnet.ibm.com
Thu Jun 7 20:06:25 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.
Change in V2:
- patch 4: 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: Define MCE error event section.
powerpc/pseries: Dump and flush SLB contents on SLB MCE errors.
powerpc/pseries: Display machine check error details.
powerpc/pseries: Fix endainness while restoring of r3 in MCE handler.
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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