[PATCH v1 2/2] KVM: arm64: allow the VM to select DEVICE_* and NORMAL_NC for IO memory

Jason Gunthorpe jgg at nvidia.com
Thu Oct 5 04:56:30 PDT 2023


On Thu, Oct 05, 2023 at 11:56:55AM +0200, Lorenzo Pieralisi wrote:
> On Tue, Sep 26, 2023 at 02:52:13PM +0100, Catalin Marinas wrote:
> 
> [...]
> 
> > Anyway, the text looks fine to me. Thanks for putting it together
> > Lorenzo.
> 
> Thanks !
> 
> > One thing not mentioned here is that pci-vfio still maps such memory as
> > Device-nGnRnE in user space and relaxing this potentially creates an
> > alias. But such alias is only relevant of both the VMM and the VM try to
> > access the same device which I doubt is a realistic scenario.
> 
> A revised log, FWIW:

What is the plan here, do you want Ankit to resend the series with
this text?

There were no comments on patch 1/2?

Thanks,
Jason



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