Commit 7fb7660b authored by Oliver Upton's avatar Oliver Upton
Browse files

KVM: arm64: Enable SCTLR2 when advertised to the guest 



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

Reviewed-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-14-oliver.upton@linux.dev


Signed-off-by: default avatarOliver Upton <oliver.upton@linux.dev>
parent 02dd33ec

arch/arm64/include/asm/kvm_emulate.h

+3 −0
Original line number Diff line number Diff line
@@ -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__ */