[PATCH v4 17/29] KVM: arm64: Add NV3 control bits to HCRX_EL2 sanitisation

[Marc Zyngier <maz@kernel.org>]

Expose the FEAT_NV3 control bits to the sanitisation code so that
KVM stops moaning about the unattributed bits.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/kvm/config.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/kvm/config.c b/arch/arm64/kvm/config.c
index c61d62b796023..467f57eb8e6bb 100644
--- a/arch/arm64/kvm/config.c
+++ b/arch/arm64/kvm/config.c
@@ -225,6 +225,7 @@ struct reg_feat_map_desc {
 #define FEAT_HCX		ID_AA64MMFR1_EL1, HCX, IMP
 #define FEAT_S2PIE		ID_AA64MMFR3_EL1, S2PIE, IMP
 #define FEAT_GCIE		ID_AA64PFR2_EL1, GCIE, IMP
+#define FEAT_NV3		ID_AA64MMFR4_EL1, NV_frac, NV3
 
 static bool not_feat_aa64el3(struct kvm *kvm)
 {
@@ -904,6 +905,11 @@ static const DECLARE_FEAT_MAP_FGT(hdfgwtr2_desc, hdfgwtr2_masks,
 
 
 static const struct reg_bits_to_feat_map hcrx_feat_map[] = {
+	NEEDS_FEAT(HCRX_EL2_NVTGE		|
+		   HCRX_EL2_NVnTTLB		|
+		   HCRX_EL2_NVnTTLBIS		|
+		   HCRX_EL2_NVnTTLBOS,
+		   FEAT_NV3),
 	NEEDS_FEAT(HCRX_EL2_SRMASKEn, FEAT_SRMASK),
 	NEEDS_FEAT(HCRX_EL2_PACMEn, feat_pauth_lr),
 	NEEDS_FEAT(HCRX_EL2_EnFPM, FEAT_FPMR),
-- 
2.47.3