[PATCH 06/13] powerpc/eeh: Add message when PE processing at parent

Sam Bobroff sbobroff at linux.ibm.com
Wed May 2 16:35:55 AEST 2018


To aid debugging, add a message to show when EEH processing for a PE
will be done at the device's parent, rather than directly at the
device.

Signed-off-by: Sam Bobroff <sbobroff at linux.ibm.com>
---
 arch/powerpc/kernel/eeh.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index f82dade4fb9a..1139821a9aec 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -541,8 +541,12 @@ int eeh_dev_check_failure(struct eeh_dev *edev)
 
 		/* Frozen parent PE ? */
 		ret = eeh_ops->get_state(parent_pe, NULL);
-		if (ret > 0 && !eeh_state_active(ret))
+		if (ret > 0 && !eeh_state_active(ret)) {
 			pe = parent_pe;
+			pr_err("EEH: Failure of PHB#%x-PE#%x will be handled at parent PHB#%x-PE#%x.\n",
+			       pe->phb->global_number, pe->addr,
+			       pe->phb->global_number, parent_pe->addr);
+		}
 
 		/* Next parent level */
 		parent_pe = parent_pe->parent;
-- 
2.16.1.74.g9b0b1f47b



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