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SubjectRe: [PATCH RESEND] virtio: virtio_pci_legacy: Remove default y from Kconfig
On Sat, Feb 29, 2020 at 11:32 PM Michael S. Tsirkin <mst@redhat.com> wrote:
>
> On Fri, Feb 28, 2020 at 03:27:36PM -0800, Ram Muthiah wrote:
> > The legacy pci driver should no longer be default enabled. QEMU has
> > implemented support for Virtio 1 for virtio-pci since June 2015
> > on SHA dfb8e184db75.
> >
> > Signed-off-by: Ram Muthiah <rammuthiah@google.com>
>
> I see little reason to do this: y is safer and will boot on more
> hypervisors, so people that aren't sure should enable it.
>

In that case, would it be reasonable to fold VIRTIO_PCI_LEGACY
into VIRTIO_PCI?

The result would boot more hypervisors as well and remove the
CONFIG in the process.

> > ---
> > drivers/virtio/Kconfig | 6 ------
> > 1 file changed, 6 deletions(-)
> >
> > diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
> > index 078615cf2afc..eacd0b90d32b 100644
> > --- a/drivers/virtio/Kconfig
> > +++ b/drivers/virtio/Kconfig
> > @@ -26,7 +26,6 @@ config VIRTIO_PCI
> >
> > config VIRTIO_PCI_LEGACY
> > bool "Support for legacy virtio draft 0.9.X and older devices"
> > - default y
> > depends on VIRTIO_PCI
> > ---help---
> > Virtio PCI Card 0.9.X Draft (circa 2014) and older device support.
> > @@ -36,11 +35,6 @@ config VIRTIO_PCI_LEGACY
> > If disabled, you get a slightly smaller, non-transitional driver,
> > with no legacy compatibility.
> >
> > - So look out into your driveway. Do you have a flying car? If
> > - so, you can happily disable this option and virtio will not
> > - break. Otherwise, leave it set. Unless you're testing what
> > - life will be like in The Future.
> > -
> > If unsure, say Y.
> >
> > config VIRTIO_PMEM
> > --
> > 2.25.0.265.gbab2e86ba0-goog
>

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