linux-kernel - [PATCH] PCI/AER: don't call recovery process for correctable errors

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Message-Id: <1503940184-29423-1-git-send-email-tbaicar@codeaurora.org>
Date:   Mon, 28 Aug 2017 11:09:44 -0600
From:   Tyler Baicar <tbaicar@...eaurora.org>
To:     bhelgaas@...gle.com, jonathan.derrick@...el.com,
        keith.busch@...el.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Tyler Baicar <tbaicar@...eaurora.org>
Subject: [PATCH] PCI/AER: don't call recovery process for correctable errors

Correctable errors do not need any software intervention, so
avoid calling into the software recovery process for correctable
errors.

Signed-off-by: Tyler Baicar <tbaicar@...eaurora.org>
---
 drivers/pci/pcie/aer/aerdrv_core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index b1303b3..4765c11 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -626,7 +626,8 @@ static void aer_recover_work_func(struct work_struct *work)
 			continue;
 		}
 		cper_print_aer(pdev, entry.severity, entry.regs);
-		do_recovery(pdev, entry.severity);
+		if (entry.severity != AER_CORRECTABLE)
+			do_recovery(pdev, entry.severity);
 		pci_dev_put(pdev);
 	}
 }
-- 
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