| Message ID | 1446939035-2617-4-git-send-email-weiyang@linux.vnet.ibm.com |
|---|---|
| State | Not Applicable |
| Headers | show |
diff --git a/arch/powerpc/kernel/pci-hotplug.c b/arch/powerpc/kernel/pci-hotplug.c index 7f9ed0c..59c4361 100644 --- a/arch/powerpc/kernel/pci-hotplug.c +++ b/arch/powerpc/kernel/pci-hotplug.c @@ -55,7 +55,7 @@ void pcibios_remove_pci_devices(struct pci_bus *bus) pr_debug("PCI: Removing devices on bus %04x:%02x\n", pci_domain_nr(bus), bus->number); - list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) { + list_for_each_entry_safe_reverse(dev, tmp, &bus->devices, bus_list) { pr_debug(" Removing %s...\n", pci_name(dev)); pci_stop_and_remove_bus_device(dev); }
As commit ac205b7bb72f ("PCI: make sriov work with hotplug remove") indicates, VFs which is on the same PCI bus as their PF, should be removed before the PF. Otherwise, the PCI hot unplugging of PCI devices on the PCI bus would cause kernel crash. The patch applies the above pattern to PowerPC PCI hotplug path. Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com> --- arch/powerpc/kernel/pci-hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)