KVM: arm64: Introduce KVM_PGTABLE_S2_NOFWB stage 2 flag

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In order to further configure stage 2 page-tables, pass flags to the
init function using a new enum.

The first of these flags allows to disable FWB even if the hardware
supports it as we will need to do so for the host stage 2.

Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210319100146.1149909-33-qperret@google.com

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Quentin Perret 2021-03-19 10:01:40 +00:00 • committed by Marc Zyngier

parent 2fcb3a5940

commit bc224df155

3 changed files with 62 additions and 41 deletions

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43

arch/arm64/include/asm/kvm_pgtable.h

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4

arch/arm64/include/asm/pgtable-prot.h

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56

arch/arm64/kvm/hyp/pgtable.c

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