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SubjectRe: [PATCH] virtio: don't prompt CONFIG_VIRTIO_PCI_MODERN
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On 2021/2/19 6:12 下午, Arnd Bergmann wrote:
> On Fri, Feb 19, 2021 at 9:45 AM Jason Wang <jasowang@redhat.com> wrote:
>> We used to prompt CONFIG_VIRTIO_PCI_MODERN to user which may bring a
>> lot of confusion. E.g it may break various default configs which want
>> virtio devices.
>>
>> So this patch fixes this by hide the prompot and document the
>> dependency.
>>
>> Cc: Arnd Bergmann <arnd@arndb.de>
>> Cc: Anders Roxell <anders.roxell@linaro.org>
>> Cc: Guenter Roeck <linux@roeck-us.net>
>> Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
>> Fixes: 86b87c9d858b6 ("virtio-pci: introduce modern device module")
>> Signed-off-by: Jason Wang <jasowang@redhat.com>
> Acked-by: Arnd Bergmann <arnd@arndb.de>
>
> Note that this effectively makes VIRTIO_PCI_MODERN and VIRTIO_PCI
> synonyms, so git goes back to not being able to have VIRTIO_PCI_MODERN
> by itself, but it seems that this is ok because the legacy part was already
> split out.


There will be a vDPA driver that will select VIRTIO_PCI_MODERN_DEV. It
used to belong to one large sereis, but it was not merged since it needs
some rebase.

Thanks


>
> Arnd
>

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