KVM: arm64: Convert user_mem_abort() to generic page-table API

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Convert user_mem_abort() to call kvm_pgtable_stage2_relax_perms() when
handling a stage-2 permission fault and kvm_pgtable_stage2_map() when
handling a stage-2 translation fault, rather than walking the page-table
manually.

Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Quentin Perret <qperret@google.com>
Link: https://lore.kernel.org/r/20200911132529.19844-18-will@kernel.org

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Will Deacon 2020-09-11 14:25:25 +01:00 • committed by Marc Zyngier

parent adcd4e2329

commit 6f745f1bb5

1 changed files with 44 additions and 80 deletions

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arch/arm64/kvm/mmu.c

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