This is a note to let you know that I've just added the patch titled
powerpc/eeh: Fix fetching bus for single-dev-PE
to the 3.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
powerpc-eeh-fix-fetching-bus-for-single-dev-pe.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ea461abf61753b4b79e625a7c20650105b990f21 Mon Sep 17 00:00:00 2001
From: Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx>
Date: Wed, 5 Jun 2013 15:34:02 +0800
Subject: powerpc/eeh: Fix fetching bus for single-dev-PE
From: Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx>
commit ea461abf61753b4b79e625a7c20650105b990f21 upstream.
While running Linux as guest on top of phyp, we possiblly have
PE that includes single PCI device. However, we didn't return
its PCI bus correctly and it leads to failure on recovery from
EEH errors for single-dev-PE. The patch fixes the issue.
Signed-off-by: Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx>
Cc: Steve Best <sbest@xxxxxxxxxx>
Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/platforms/pseries/eeh_pe.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/arch/powerpc/platforms/pseries/eeh_pe.c
+++ b/arch/powerpc/platforms/pseries/eeh_pe.c
@@ -639,7 +639,8 @@ struct pci_bus *eeh_pe_bus_get(struct ee
if (pe->type & EEH_PE_PHB) {
bus = pe->phb->bus;
- } else if (pe->type & EEH_PE_BUS) {
+ } else if (pe->type & EEH_PE_BUS ||
+ pe->type & EEH_PE_DEVICE) {
edev = list_first_entry(&pe->edevs, struct eeh_dev, list);
pdev = eeh_dev_to_pci_dev(edev);
if (pdev)
Patches currently in stable-queue which might be from shangw@xxxxxxxxxxxxxxxxxx are
queue-3.9/powerpc-eeh-fix-fetching-bus-for-single-dev-pe.patch
queue-3.9/net-tg3-avoid-delay-during-mmio-access.patch
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