KVM: arm64: Check for PTE validity when checking for executable/cacheable

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Don't just assume that the PTE is valid when checking whether it
describes an executable or cacheable mapping.

This makes sure that we don't issue CMOs for invalid mappings.

Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Fuad Tabba <tabba@google.com>
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240423150538.2103045-8-tabba@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Marc Zyngier 2024-04-23 16:05:15 +01:00

parent 02949f36bc

commit 96171cfa55

1 changed files with 3 additions and 3 deletions

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arch/arm64/kvm/hyp/pgtable.c

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