On 06.09.24 12:16, Paolo Bonzini wrote:
Virtio memory devices rely on PCI BARs to expose the contents of memory.
Because of this they cannot be used (yet) with virtio-mmio or virtio-ccw.
In fact the code that is common to virtio-mem and virtio-pmem, which
is in hw/virtio/virtio-md-pci.c, is only included if CONFIG_VIRTIO_PCI
is set.  Reproduce the same condition in the Kconfig file, only allowing
VIRTIO_MEM and VIRTIO_PMEM to be defined if the transport supports it.

Without this patch it is possible to create a configuration with
CONFIG_VIRTIO_PCI=n and CONFIG_VIRTIO_MEM=y, but that causes a
linking failure.

Cc: David Hildenbrand <da...@redhat.com>
Reported-by: Michael Tokarev <m...@tls.msk.ru>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---

Reviewed-by: David Hildenbrand <da...@redhat.com>

Thanks!

--
Cheers,

David / dhildenb


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