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Diffstat (limited to 'arch/powerpc/platforms/pseries/ras.c')
-rw-r--r--arch/powerpc/platforms/pseries/ras.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 49e83c954d2c..8d2ead2d7591 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -612,6 +612,12 @@ static void pseries_print_mce_info(struct pt_regs *regs,
break;
}
+#ifdef CONFIG_PPC_BOOK3S_64
+ /* Display faulty slb contents for SLB errors. */
+ if (error_type == MC_ERROR_TYPE_SLB)
+ slb_dump_contents(local_paca->mce_faulty_slbs);
+#endif
+
printk("%s%s Machine check interrupt [%s]\n", level, sevstr,
disposition == RTAS_DISP_FULLY_RECOVERED ?
"Recovered" : "Not recovered");
@@ -675,7 +681,16 @@ static int mce_handle_error(struct rtas_error_log *errp)
switch (error_type) {
case MC_ERROR_TYPE_SLB:
case MC_ERROR_TYPE_ERAT:
- /* Store the old slb content someplace. */
+ /*
+ * Store the old slb content in paca before flushing.
+ * Print this when we go to virtual mode.
+ * There are chances that we may hit MCE again if there
+ * is a parity error on the SLB entry we trying to read
+ * for saving. Hence limit the slb saving to single
+ * level of recursion.
+ */
+ if (local_paca->in_mce == 1)
+ slb_save_contents(local_paca->mce_faulty_slbs);
flush_and_reload_slb();
disposition = RTAS_DISP_FULLY_RECOVERED;
rtas_set_disposition_recovered(errp);