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-rw-r--r--arch/powerpc/kernel/mce.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c
index 1c6d15701c56..c0c52ec1fca7 100644
--- a/arch/powerpc/kernel/mce.c
+++ b/arch/powerpc/kernel/mce.c
@@ -316,3 +316,30 @@ void machine_check_print_event_info(struct machine_check_event *evt)
break;
}
}
+
+uint64_t get_mce_fault_addr(struct machine_check_event *evt)
+{
+ switch (evt->error_type) {
+ case MCE_ERROR_TYPE_UE:
+ if (evt->u.ue_error.effective_address_provided)
+ return evt->u.ue_error.effective_address;
+ break;
+ case MCE_ERROR_TYPE_SLB:
+ if (evt->u.slb_error.effective_address_provided)
+ return evt->u.slb_error.effective_address;
+ break;
+ case MCE_ERROR_TYPE_ERAT:
+ if (evt->u.erat_error.effective_address_provided)
+ return evt->u.erat_error.effective_address;
+ break;
+ case MCE_ERROR_TYPE_TLB:
+ if (evt->u.tlb_error.effective_address_provided)
+ return evt->u.tlb_error.effective_address;
+ break;
+ default:
+ case MCE_ERROR_TYPE_UNKNOWN:
+ break;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(get_mce_fault_addr);