Re: [PATCH 0/3] virtio-iommu: Support VIRTIO_IOMMU_F_BYPASS_CONFIG

[Jean-Philippe Brucker]

Hi Eric,

On Tue, Jan 11, 2022 at 10:02:12AM +0100, Eric Auger wrote:
> Hi Jean, Michael,
> 
> On 9/30/21 8:50 PM, Jean-Philippe Brucker wrote:
> > Replace the VIRTIO_IOMMU_F_BYPASS feature with
> > VIRTIO_IOMMU_F_BYPASS_CONFIG, which enables a config space bit to switch
> > global bypass on and off.
> >
> > Add a boot-bypass option, which defaults to 'on' to be in line with
> > other vIOMMUs and to allow running firmware/bootloader that are unaware
> > of the IOMMU.
> >
> > See the spec change for more rationale
> > https://lists.oasis-open.org/archives/virtio-dev/202109/msg00137.html
> 
> I guess the kernel bits should be merged in 5.17?

Yes, they should. I can resend at 5.17-rc1 along with a commit updating
the linux headers. Or is there a specific process for synchronizing the
headers?  Looking at git log it looks like scripts/update-linux-headers.sh
is run by whomever needs new UAPI features.

Thanks,
Jean