Commit f6bff18d authored by Yeoreum Yun's avatar Yeoreum Yun Committed by Catalin Marinas
Browse files

KVM: arm64: Expose FEAT_LSUI to guests 



Expose the FEAT_LSUI ID register field to guests.

Signed-off-by: default avatarYeoreum Yun <yeoreum.yun@arm.com>
Acked-by: default avatarMarc Zyngier <maz@kernel.org>
Reviewed-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 7181f718

arch/arm64/kvm/sys_regs.c

+2 −1
Original line number Diff line number Diff line
@@ -1805,7 +1805,7 @@ static u64 __kvm_read_sanitised_id_reg(const struct kvm_vcpu *vcpu, 
		break;

	case SYS_ID_AA64ISAR3_EL1:

		val &= ID_AA64ISAR3_EL1_FPRCVT | ID_AA64ISAR3_EL1_LSFE |

			ID_AA64ISAR3_EL1_FAMINMAX;

			ID_AA64ISAR3_EL1_FAMINMAX | ID_AA64ISAR3_EL1_LSUI;

		break;

	case SYS_ID_AA64MMFR2_EL1:

		val &= ~ID_AA64MMFR2_EL1_CCIDX_MASK;
@@ -3252,6 +3252,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { 
					ID_AA64ISAR2_EL1_GPA3)),

	ID_WRITABLE(ID_AA64ISAR3_EL1, (ID_AA64ISAR3_EL1_FPRCVT |

				       ID_AA64ISAR3_EL1_LSFE |

				       ID_AA64ISAR3_EL1_LSUI |

				       ID_AA64ISAR3_EL1_FAMINMAX)),

	ID_UNALLOCATED(6,4),

	ID_UNALLOCATED(6,5),