KVM: arm64: Introduce __pkvm_host_test_clear_young_guest()

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Plumb the kvm_stage2_test_clear_young() callback into pKVM for
non-protected guest. It will be later be called from MMU notifiers.

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/20241218194059.3670226-15-qperret@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Quentin Perret 2024-12-18 19:40:55 +00:00 • committed by Marc Zyngier

parent 26117e4c63

commit 56ab4de37f

4 changed files with 43 additions and 0 deletions

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arch/arm64/include/asm/kvm_asm.h

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

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arch/arm64/kvm/hyp/nvhe/hyp-main.c

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

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