Re: [PATCH] PCI: hv: fix pci-hyperv build, depends on SYSFS

From: Randy Dunlap
Date: Tue Jul 02 2019 - 23:25:37 EST


On 7/2/19 5:15 PM, Matthew Wilcox wrote:
> On Tue, Jul 02, 2019 at 04:24:30PM -0700, Randy Dunlap wrote:
>> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>>
>> Fix build errors when building almost-allmodconfig but with SYSFS
>> not set (not enabled). Fixes these build errors:
>>
>> ERROR: "pci_destroy_slot" [drivers/pci/controller/pci-hyperv.ko] undefined!
>> ERROR: "pci_create_slot" [drivers/pci/controller/pci-hyperv.ko] undefined!
>>
>> drivers/pci/slot.o is only built when SYSFS is enabled, so
>> pci-hyperv.o has an implicit dependency on SYSFS.
>> Make that explicit.
>
> I wonder if we shouldn't rather provide no-op versions of
> pci_create|destroy_slot for when SYSFS is not set?
>

Makes sense. I'm test-building that now.

--
~Randy