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KVM: arm64: Add support for FEAT_XNX stage-2 permissions
authorOliver Upton <oupton@kernel.org>
Mon, 24 Nov 2025 19:01:44 +0000 (11:01 -0800)
committerOliver Upton <oupton@kernel.org>
Mon, 24 Nov 2025 22:24:44 +0000 (14:24 -0800)
commit2608563b466b9192a9356b18463005da6e138bf9
tree842f00538425a404a8030bed88f26c2dc0dbb0a6tree | snapshot
parentdc31124379b69a758af740bbd981e9e9f04a61d5commit | diff
KVM: arm64: Add support for FEAT_XNX stage-2 permissions

FEAT_XNX adds support for encoding separate execute permissions for EL0
and EL1 at stage-2. Add support for this to the page table library,
hiding the unintuitive encoding scheme behind generic pX and uX
permission flags.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Tested-by: Marc Zyngier <maz@kernel.org>
Link: https://msgid.link/20251124190158.177318-3-oupton@kernel.org
Signed-off-by: Oliver Upton <oupton@kernel.org>
arch/arm64/include/asm/kvm_pgtable.h diff | blob | blame | history
arch/arm64/kvm/hyp/pgtable.c diff | blob | blame | history
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