[PATCH v2 0/4] Fix guest_memfd and protected VMs on systems with pages larger than 4K
Marc Zyngier
maz at kernel.org
Thu Oct 1 07:24:03 PDT 2026
On Mon, 28 Sep 2026 10:54:49 +0100, Vincent Donnefort wrote:
> This series allows booting protected VMs and guest_memfd-back VMs on
> systems with a page size larger than 4K.
>
> Currently, the fault handling assumes 4K alignment, as HPFAR_EL2
> provides the IPA minus the bottom 12 bits regardless of the system page
> size. This leads to mapping failures on 16K and 64K systems.
>
> [...]
Applied to next, thanks!
[1/4] KVM: arm64: Fix MMFR0 TGRAN advertisement for pVMs
commit: 6c29285e78b5e4811145ebda382ac0ba732ce56a
[2/4] KVM: arm64: Pass kvm_s2_fault_desc to fault_supports_stage2_huge_mapping()
commit: 10c5cc50f056a6425305557063ad70c3eb0e686b
[3/4] KVM: arm64: Use kvm_s2_fault_vma_info in gmem_abort()
commit: 80b0b86dc5e4344e62a2fd3ee43d0ef816fe9122
[4/4] KVM: arm64: Use kvm_s2_fault_vma_info in pkvm_mem_abort()
commit: 0cdcc1039200b3c4fbc2ae3f9b5c1be1bc9155e8
Again, a large number of conflicts (prefault, rmap). Please review the
conflict resolution.
Cheers,
M.
--
Without deviation from the norm, progress is not possible.
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