On Mon, Jun 01, 2015 at 06:20:05PM -0500, Bjorn Helgaas wrote:
>On Tue, May 19, 2015 at 06:50:05PM +0800, Wei Yang wrote:
>> As commit ac205b7b ("PCI: make sriov work with hotplug remove") indicates,
>
>The conventional reference is:
>
> ac205b7bb72f ("PCI: make sriov work with hotplug remove")
>
Thanks, will change it in next version.
>> VFs, which might be hooked to same PCI bus as their PF should be removed
>> before the PF. Otherwise, the PCI hot unplugging on the PCI bus would
>> cause kernel crash.
>>
>> The patch applies the above pattern to PowerPC PCI hotplug path.
>>
>> [gwshan: changelog]
>> Signed-off-by: Wei Yang <[email protected]>
>> Acked-by: Gavin Shan <[email protected]>
>> ---
>> arch/powerpc/kernel/pci-hotplug.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/powerpc/kernel/pci-hotplug.c
>> b/arch/powerpc/kernel/pci-hotplug.c
>> index 7ed85a6..98f84ed 100644
>> --- a/arch/powerpc/kernel/pci-hotplug.c
>> +++ b/arch/powerpc/kernel/pci-hotplug.c
>> @@ -50,7 +50,7 @@ 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);
>> }
>> --
>> 1.7.9.5
>>
--
Richard Yang
Help you, Help me
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