[PATCH v2] KVM: arm64: Handle permission faults with guest_memfd
Marc Zyngier
maz at kernel.org
Wed May 6 09:14:30 PDT 2026
On Tue, 05 May 2026 10:49:13 +0100, Alexandru Elisei wrote:
> gmem_abort() calls kvm_pgtable_stage2_map() to make changes to stage 2. It
> does this for both relaxing permissions on an existing mapping and to
> install a missing mapping.
>
> kvm_pgtable_stage2_map() doesn't make changes to stage 2 if there is an
> existing, valid entry and the new entry modifies only the permissions.
> This is checked in:
>
> [...]
Applied to fixes, thanks!
[1/1] KVM: arm64: Handle permission faults with guest_memfd
commit: 9be19df816dea9eb7dfe1661b3690bed6a2cb146
Cheers,
M.
--
Without deviation from the norm, progress is not possible.
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