KVM: arm64: Add {get,put}_pkvm_hyp_vm() helpers

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In preparation for accessing pkvm_hyp_vm structures at EL2 in a context
where we can't always expect a vCPU to be loaded (e.g. MMU notifiers),
introduce get/put helpers to get temporary references to hyp VMs from
any context.

Tested-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Quentin Perret <qperret@google.com>
Link: https://lore.kernel.org/r/20241218194059.3670226-9-qperret@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Quentin Perret 2024-12-18 19:40:49 +00:00 • committed by Marc Zyngier

parent c77e5181fe

commit 99996d575e

2 changed files with 23 additions and 0 deletions

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3

arch/arm64/kvm/hyp/include/nvhe/pkvm.h

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arch/arm64/kvm/hyp/nvhe/pkvm.c

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