KVM: arm64: Introduce host_stage2_set_owner_metadata_locked()

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Rework host_stage2_set_owner_locked() to add a new helper function,
host_stage2_set_owner_metadata_locked(), which will allow us to store
additional metadata alongside a 3-bit owner ID for invalid host stage-2
entries.

Tested-by: Fuad Tabba <tabba@google.com>
Tested-by: Mostafa Saleh <smostafa@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
Link: https://patch.msgid.link/20260330144841.26181-23-will@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Will Deacon 2026-03-30 15:48:23 +01:00 • committed by Marc Zyngier

parent c6ba94640c

commit afa72d207e

2 changed files with 32 additions and 17 deletions

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arch/arm64/include/asm/kvm_pgtable.h

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47

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

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