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| author | Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> | 2013-10-30 20:06:13 +0530 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-05 16:06:06 +1100 |
| commit | b63a0ffe35de7e5f9b907bbc2c783e702f7e15af (patch) | |
| tree | 4ec5c5261fcfcb9789f7ff5a36852fada5dc8564 /arch/powerpc/include/asm/mce.h | |
| parent | 28446de2ce9992f6d13e4594a25fc9c3b9f4517b (diff) | |
| download | op-kernel-dev-b63a0ffe35de7e5f9b907bbc2c783e702f7e15af.zip op-kernel-dev-b63a0ffe35de7e5f9b907bbc2c783e702f7e15af.tar.gz | |
powerpc/powernv: Machine check exception handling.
Add basic error handling in machine check exception handler.
- If MSR_RI isn't set, we can not recover.
- Check if disposition set to OpalMCE_DISPOSITION_RECOVERED.
- Check if address at fault is inside kernel address space, if not then send
SIGBUS to process if we hit exception when in userspace.
- If address at fault is not provided then and if we get a synchronous machine
check while in userspace then kill the task.
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/mce.h')
| -rw-r--r-- | arch/powerpc/include/asm/mce.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mce.h b/arch/powerpc/include/asm/mce.h index 3276b40..a2b8c7b 100644 --- a/arch/powerpc/include/asm/mce.h +++ b/arch/powerpc/include/asm/mce.h @@ -193,5 +193,6 @@ extern void release_mce_event(void); extern void machine_check_queue_event(void); extern void machine_check_process_queued_event(void); extern void machine_check_print_event_info(struct machine_check_event *evt); +extern uint64_t get_mce_fault_addr(struct machine_check_event *evt); #endif /* __ASM_PPC64_MCE_H__ */ |
