Subject: Re: [PATCH] powerpc/pci: remove pci device on a bus in reverse order

From: Wei Yang <[email-masked]>
Date: Thu, 4 Dec 2014 11:26:04 +0800

Please ignore this one, I create an old version of the patch.

The new one is sent.

On Thu, Dec 04, 2014 at 11:04:32AM +0800, Wei Yang wrote:
>As in commit ac205b7b (PCI: make sriov work with hotplug remove) indicates,
>when removing pci devices on a bus which has VFs, we need to remove them in
>the reverse order.
>
>This patch applies this patten on the hotplug remove patch on powerpc arch.
>
>Signed-off-by: Wei Yang <[email-masked]>
>---
> 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 5b78917..f0f00d9 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