[PATCH 10/12] KVM: arm64: nv: Add SW walker for AT S1 emulation

Alexandru Elisei alexandru.elisei at arm.com
Tue Jul 23 01:57:23 PDT 2024


Hi Marc,

On Mon, Jul 22, 2024 at 04:25:00PM +0100, Marc Zyngier wrote:
> Hi Alex,
> 
> On Mon, 22 Jul 2024 11:53:13 +0100,
> Alexandru Elisei <alexandru.elisei at arm.com> wrote:
> > 
> > Hi Marc,
> > 
> > I would like to use the S1 walker for KVM SPE, and I was planning to move it to
> > a separate file, where it would be shared between nested KVM and SPE. I think
> > this is also good for NV, since the walker would get more testing.
> > 
> > Do you think moving it to a shared location is a good approach? Or do you have
> > something else in mind?
> 
> I'm definitely open to moving it somewhere else if that helps, though
> the location doesn't matter much, TBH, and it is the boundary of the
> interface I'm more interested in. It may need some work though, as the
> current design is solely written with AT in mind.

Looks that way to me too.

> 
> > Also, do you know where you'll be able to send an updated version of this
> > series? I'm asking because I want to decide between using this code (with fixes
> > on top) or wait for the next iteration. Please don't feel that you need to send
> > the next iteration too soon.
> 
> The current state of the branch is at [1], which I plan to send once
> -rc1 is out. Note that this isn't a stable branch, so things can
> change without any warning!
> 
> > And please CC me on the series, so I don't miss it by mistake :)
> 
> Of course!

Sounds great, thanks!

Alex

> 
> Thanks,
> 
> 	M.
> 
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm64/nv-at-pan-WIP
> 
> -- 
> Without deviation from the norm, progress is not possible.
> 



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