[PATCH v2] KVM: arm64: Make L1Ip feature in CTR_EL0 writable from userspace

[Oliver Upton]

On Tue, 22 Oct 2024 08:39:43 +0100, Shameer Kolothum wrote:
> Only allow userspace to set VIPT(0b10) or PIPT(0b11) for L1Ip based on
> what hardware reports as both AIVIVT (0b01) and VPIPT (0b00) are
> documented as reserved.
> 
> Using a VIPT for Guest where hardware reports PIPT may lead to over
> invalidation, but is still correct. Hence, we can allow downgrading
> PIPT to VIPT, but not the other way around.
> 
> [...]

Sorry I didn't grab this earlier, for some reason I'm not getting your mail
at my linux.dev address.

Applied to kvmarm/next, thanks!

[1/1] KVM: arm64: Make L1Ip feature in CTR_EL0 writable from userspace
      https://git.kernel.org/kvmarm/kvmarm/c/e9b57d7f9740

--
Best,
Oliver