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KVM: arm64: Expose FEAT_LSUI to guests

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Expose the FEAT_LSUI ID register field to guests.

Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Yeoreum Yun 2026-03-14 17:51:27 +00:00 committed by Catalin Marinas
parent 7181f718cb
commit f6bff18d05
1 changed files with 2 additions and 1 deletions
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3
arch/arm64/kvm/sys_regs.c
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@ -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),