Re: [PATCH V2] KVM: arm64: Restrict IPA size to maximum 48 bits on 4K and 16K page size

[Marc Zyngier]

On Wed, 11 Aug 2021 16:41:15 +0530, Anshuman Khandual wrote:
> Even though ID_AA64MMFR0.PARANGE reports 52 bit PA size support, it cannot
> be enabled as guest IPA size on 4K or 16K page size configurations. Hence
> kvm_ipa_limit must be restricted to 48 bits. This change achieves required
> IPA capping.
> 
> Before the commit c9b69a0cf0b4 ("KVM: arm64: Don't constrain maximum IPA
> size based on host configuration"), the problem here would have been just
> latent via PHYS_MASK_SHIFT (which earlier in turn capped kvm_ipa_limit),
> which remains capped at 48 bits on 4K and 16K configs.

Applied to next, thanks!

[1/1] KVM: arm64: Restrict IPA size to maximum 48 bits on 4K and 16K page size
      commit: 5e5df9571c319fb107d7a523cc96fcc99961ee70

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.