On 10/26/2015 02:15 PM, Wei Yang wrote:
As commit ac205b7bb72f ("PCI: make sriov work with hotplug remove") indicates,
VFs, which might be hooked to same PCI bus as their PF should be removed
A comma is missing before "should be" (or you did not need a comma after
"VFs" may be :) ).
before the PF. Otherwise, the PCI hot unplugging on the PCI bus would
s/on/of/? "Unplugging on" does not make much sense to me in this context at
least.
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 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);
}
--
Alexey
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