KVM: arm64: Add NVHCR_EL2 handling to the sysreg array

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Expose NVHCR_EL2 to userspace, and treat the direct access as UNDEF,
as that would only outline a bug in our exception routing.

The generic accessors are also updated to deal with the relatively
uncommon location of that register.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://patch.msgid.link/20260730071022.296811-22-maz@kernel.org
Signed-off-by: Oliver Upton <oupton@kernel.org>

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Marc Zyngier 2026-07-30 08:10:14 +01:00 • committed by Oliver Upton

parent 3b3ae6bfac

commit 0c0b2ad26b

1 changed files with 28 additions and 0 deletions

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arch/arm64/kvm/sys_regs.c

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