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SubjectRe: mmotm 2020-03-30-18-46 uploaded (VDPA + vhost)
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On 3/31/20 11:37 AM, Michael S. Tsirkin wrote:
> On Tue, Mar 31, 2020 at 11:27:54AM -0700, Randy Dunlap wrote:
>> On 3/30/20 6:47 PM, akpm@linux-foundation.org wrote:
>>> The mm-of-the-moment snapshot 2020-03-30-18-46 has been uploaded to
>>>
>>> http://www.ozlabs.org/~akpm/mmotm/
>>>
>>> mmotm-readme.txt says
>>>
>>> README for mm-of-the-moment:
>>>
>>> http://www.ozlabs.org/~akpm/mmotm/
>>>
>>> This is a snapshot of my -mm patch queue. Uploaded at random hopefully
>>> more than once a week.
>>>
>>> You will need quilt to apply these patches to the latest Linus release (5.x
>>> or 5.x-rcY). The series file is in broken-out.tar.gz and is duplicated in
>>> http://ozlabs.org/~akpm/mmotm/series
>>>
>>> The file broken-out.tar.gz contains two datestamp files: .DATE and
>>> .DATE-yyyy-mm-dd-hh-mm-ss. Both contain the string yyyy-mm-dd-hh-mm-ss,
>>> followed by the base kernel version against which this patch series is to
>>> be applied.
>>>
>>> This tree is partially included in linux-next. To see which patches are
>>> included in linux-next, consult the `series' file. Only the patches
>>> within the #NEXT_PATCHES_START/#NEXT_PATCHES_END markers are included in
>>> linux-next.
>>>
>>>
>>> A full copy of the full kernel tree with the linux-next and mmotm patches
>>> already applied is available through git within an hour of the mmotm
>>> release. Individual mmotm releases are tagged. The master branch always
>>> points to the latest release, so it's constantly rebasing.
>>>
>>> https://github.com/hnaz/linux-mm
>>
>> on i386:
>>
>> ld: drivers/vhost/vdpa.o: in function `vhost_vdpa_init':
>> vdpa.c:(.init.text+0x52): undefined reference to `__vdpa_register_driver'
>> ld: drivers/vhost/vdpa.o: in function `vhost_vdpa_exit':
>> vdpa.c:(.exit.text+0x14): undefined reference to `vdpa_unregister_driver'
>>
>>
>>
>> drivers/virtio/vdpa/ is not being built. (confusing!)
>>
>> CONFIG_VIRTIO=m
>> # CONFIG_VIRTIO_MENU is not set
>> CONFIG_VDPA=y
>
> Hmm. OK. Can't figure it out. CONFIG_VDPA is set why isn't
> drivers/virtio/vdpa/ built?
> we have:
>

Ack. Hopefully Yamada-san can tell us what is happening here.

>
> obj-$(CONFIG_VDPA) += vdpa/
>
> and under that:
>
> obj-$(CONFIG_VDPA) += vdpa.o
>
>
>> CONFIG_VDPA_MENU=y
>> # CONFIG_VDPA_SIM is not set
>> CONFIG_VHOST_IOTLB=y
>> CONFIG_VHOST_RING=m
>> CONFIG_VHOST=y
>> CONFIG_VHOST_SCSI=m
>> CONFIG_VHOST_VDPA=y
>>
>> Full randconfig file is attached.
>>
>> (This same build failure happens with today's linux-next, Mar. 31.)
>>
>> @Yamada-san: Is this a kbuild problem (or feature)?
>>
>> --
>> ~Randy
>> Reported-by: Randy Dunlap <rdunlap@infradead.org>
>


--
~Randy
Reported-by: Randy Dunlap <rdunlap@infradead.org>

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