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| author |   Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> | 2018-09-11 19:57:07 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-09-19 21:59:41 +1000 |
| commit | 8f0b80561f217e3f379d7819a6c6b429bebdaea6 (patch) | |
| tree | 65e4dca552cd3fac5c29c4d6ffecabc828e4e41f /arch/powerpc/include/asm/rtas.h | |
| parent | powerpc/pseries: Flush SLB contents on SLB MCE errors. (diff) | |
| download | linux-dev-8f0b80561f217e3f379d7819a6c6b429bebdaea6.tar.xz linux-dev-8f0b80561f217e3f379d7819a6c6b429bebdaea6.zip | |
powerpc/pseries: Display machine check error details.
Extract the MCE error details from RTAS extended log and display it to
console.
With this patch you should now see mce logs like below:
[ 142.371818] Severe Machine check interrupt [Recovered]
[ 142.371822] NIP [d00000000ca301b8]: init_module+0x1b8/0x338 [bork_kernel]
[ 142.371822] Initiator: CPU
[ 142.371823] Error type: SLB [Multihit]
[ 142.371824] Effective address: d00000000ca70000
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/rtas.h')
| -rw-r--r-- | arch/powerpc/include/asm/rtas.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index adefa6493d29..0183e9595acc 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -197,6 +197,11 @@ static inline uint8_t rtas_error_extended(const struct rtas_error_log *elog) return (elog->byte1 & 0x04) >> 2; } +static inline uint8_t rtas_error_initiator(const struct rtas_error_log *elog) +{ + return (elog->byte2 & 0xf0) >> 4; +} + #define rtas_error_type(x) ((x)->byte3) static inline |