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KVM: arm64: Enable SCTLR2 when advertised to the guest

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HCRX_EL2.SCTLR2En needs to be set for SCTLR2_EL1 to take effect in
hardware (in addition to disabling traps).

Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-14-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Oliver Upton
2025-07-08 10:25:18 -07:00
parent 02dd33ec88
commit 7fb7660b9c
1 changed files with 3 additions and 0 deletions
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3
arch/arm64/include/asm/kvm_emulate.h
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@@ -665,6 +665,9 @@ static inline void vcpu_set_hcrx(struct kvm_vcpu *vcpu)
if (kvm_has_fpmr(kvm))
vcpu->arch.hcrx_el2 |= HCRX_EL2_EnFPM;
if (kvm_has_sctlr2(kvm))
vcpu->arch.hcrx_el2 |= HCRX_EL2_SCTLR2En;
}
}
#endif /* __ARM64_KVM_EMULATE_H__ */