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Date:   Mon, 22 Feb 2021 11:41:11 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     "Michael S. Tsirkin" <mst@...hat.com>,
        virtualization@...ts.linux-foundation.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Anders Roxell <anders.roxell@...aro.org>,
        Guenter Roeck <linux@...ck-us.net>
Subject: Re: [PATCH] virtio: don't prompt CONFIG_VIRTIO_PCI_MODERN


On 2021/2/19 6:12 下午, Arnd Bergmann wrote:
> On Fri, Feb 19, 2021 at 9:45 AM Jason Wang <jasowang@...hat.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@...db.de>
>> Cc: Anders Roxell <anders.roxell@...aro.org>
>> Cc: Guenter Roeck <linux@...ck-us.net>
>> Reported-by: Naresh Kamboju <naresh.kamboju@...aro.org>
>> Fixes: 86b87c9d858b6 ("virtio-pci: introduce modern device module")
>> Signed-off-by: Jason Wang <jasowang@...hat.com>
> Acked-by: Arnd Bergmann <arnd@...db.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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