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")
> 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 <weiy...@linux.vnet.ibm.com>
> Acked-by: Gavin Shan <gws...@linux.vnet.ibm.com>
> ---
> 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
>
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