Now that we have computed RES0 bits, use them to sanitise the guest view of FGT registers. Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> --- arch/arm64/kvm/nested.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c index 0c9387d2f5070..63fe1595f318d 100644 --- a/arch/arm64/kvm/nested.c +++ b/arch/arm64/kvm/nested.c @@ -1118,8 +1118,8 @@ int kvm_init_nv_sysregs(struct kvm_vcpu *vcpu) res0 |= HFGxTR_EL2_nS2POR_EL1; if (!kvm_has_feat(kvm, ID_AA64MMFR3_EL1, AIE, IMP)) res0 |= (HFGxTR_EL2_nMAIR2_EL1 | HFGxTR_EL2_nAMAIR2_EL1); - set_sysreg_masks(kvm, HFGRTR_EL2, res0 | __HFGRTR_EL2_RES0, res1); - set_sysreg_masks(kvm, HFGWTR_EL2, res0 | __HFGWTR_EL2_RES0, res1); + set_sysreg_masks(kvm, HFGRTR_EL2, res0 | hfgrtr_masks.res0, res1); + set_sysreg_masks(kvm, HFGWTR_EL2, res0 | hfgwtr_masks.res0, res1); /* HDFG[RW]TR_EL2 */ res0 = res1 = 0; @@ -1157,7 +1157,7 @@ int kvm_init_nv_sysregs(struct kvm_vcpu *vcpu) HDFGRTR_EL2_nBRBDATA); if (!kvm_has_feat(kvm, ID_AA64DFR0_EL1, PMSVer, V1P2)) res0 |= HDFGRTR_EL2_nPMSNEVFR_EL1; - set_sysreg_masks(kvm, HDFGRTR_EL2, res0 | HDFGRTR_EL2_RES0, res1); + set_sysreg_masks(kvm, HDFGRTR_EL2, res0 | hdfgrtr_masks.res0, res1); /* Reuse the bits from the read-side and add the write-specific stuff */ if (!kvm_has_feat(kvm, ID_AA64DFR0_EL1, PMUVer, IMP)) @@ -1166,10 +1166,10 @@ int kvm_init_nv_sysregs(struct kvm_vcpu *vcpu) res0 |= HDFGWTR_EL2_TRCOSLAR; if (!kvm_has_feat(kvm, ID_AA64DFR0_EL1, TraceFilt, IMP)) res0 |= HDFGWTR_EL2_TRFCR_EL1; - set_sysreg_masks(kvm, HFGWTR_EL2, res0 | HDFGWTR_EL2_RES0, res1); + set_sysreg_masks(kvm, HFGWTR_EL2, res0 | hdfgwtr_masks.res0, res1); /* HFGITR_EL2 */ - res0 = HFGITR_EL2_RES0; + res0 = hfgitr_masks.res0; res1 = HFGITR_EL2_RES1; if (!kvm_has_feat(kvm, ID_AA64ISAR1_EL1, DPB, DPB2)) res0 |= HFGITR_EL2_DCCVADP; @@ -1203,7 +1203,7 @@ int kvm_init_nv_sysregs(struct kvm_vcpu *vcpu) set_sysreg_masks(kvm, HFGITR_EL2, res0, res1); /* HAFGRTR_EL2 - not a lot to see here */ - res0 = HAFGRTR_EL2_RES0; + res0 = hafgrtr_masks.res0; res1 = HAFGRTR_EL2_RES1; if (!kvm_has_feat(kvm, ID_AA64PFR0_EL1, AMU, V1P1)) res0 |= ~(res0 | res1); -- 2.39.2
