Merge tag 'kvmarm-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 updates for 6.3

 - Provide a virtual cache topology to the guest to avoid
   inconsistencies with migration on heterogenous systems. Non secure
   software has no practical need to traverse the caches by set/way in
   the first place.

 - Add support for taking stage-2 access faults in parallel. This was an
   accidental omission in the original parallel faults implementation,
   but should provide a marginal improvement to machines w/o FEAT_HAFDBS
   (such as hardware from the fruit company).

 - A preamble to adding support for nested virtualization to KVM,
   including vEL2 register state, rudimentary nested exception handling
   and masking unsupported features for nested guests.

 - Fixes to the PSCI relay that avoid an unexpected host SVE trap when
   resuming a CPU when running pKVM.

 - VGIC maintenance interrupt support for the AIC

 - Improvements to the arch timer emulation, primarily aimed at reducing
   the trap overhead of running nested.

 - Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
   interest of CI systems.

 - Avoid VM-wide stop-the-world operations when a vCPU accesses its own
   redistributor.

 - Serialize when toggling CPACR_EL1.SMEN to avoid unexpected exceptions
   in the host.

 - Aesthetic and comment/kerneldoc fixes

 - Drop the vestiges of the old Columbia mailing list and add [Oliver]
   as co-maintainer

This also drags in arm64's 'for-next/sme2' branch, because both it and
the PSCI relay changes touch the EL2 initialization code.

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