On 2019-01-31 19:08, Paolo Bonzini wrote:
> On 31/01/19 19:00, Thomas Huth wrote:
>>>> (and the prototypes in the header) anymore, so if you try to compile s390x
>>>> without CONFIG_PCI, the build currently fails.
>>>>
>>> Fixes: 468a93898a97 ("s390x/pci: pass the retaddr to all PCI instructions")
>>>
>>>> Signed-off-by: Thomas Huth <th...@redhat.com>
>>>> ---
>>>> hw/s390x/s390-pci-stub.c | 16 +++++++++-------
>>>> 1 file changed, 9 insertions(+), 7 deletions(-)
>>> This file seems to be in danger of bitrot. Do you think it'll be easier
>>> to test rarely used configs like that after we switch to Kconfig?
>> I hope so, yes. There will be a new --without-default-devices options
>> for "configure" (which matches "make allnoconfig" from the kernel) - if
>> we do it right in the Kconfig file for s390x, it should be possible to
>> catch this problem with that option.
>
> Yes, it will be in .travis.yml too.
>
> Right now there is a "select PCI" in the hw/s390x/Kconfig file, but
> probably it's best to add a config S390_ZPCI with "default y if
> S390_CCW_VIRTIO" and "select PCI" in it. Not a blocker, but I can
> integrate it if you send me a fixup patch.
Yes, that's what I had in mind, too. I'll send a fixup patch...
Thomas
