[PATCH 09/11] KVM: arm64: nv: Expose FEAT_LS64* to a nested guest
Marc Zyngier
maz at kernel.org
Thu Aug 15 05:59:57 PDT 2024
Now that we correctly support FEAT_LS64*, don't hide it from nested
guests anymore.
Signed-off-by: Marc Zyngier <maz at kernel.org>
---
arch/arm64/kvm/nested.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index de789e0f1ae9..97b16127755e 100644
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -808,10 +808,9 @@ static void limit_nv_id_regs(struct kvm *kvm)
val &= ~NV_FTR(ISAR0, TME);
kvm_set_vm_id_reg(kvm, SYS_ID_AA64ISAR0_EL1, val);
- /* Support everything but Spec Invalidation and LS64 */
+ /* Support everything but Spec Invalidation */
val = kvm_read_vm_id_reg(kvm, SYS_ID_AA64ISAR1_EL1);
- val &= ~(NV_FTR(ISAR1, LS64) |
- NV_FTR(ISAR1, SPECRES));
+ val &= ~NV_FTR(ISAR1, SPECRES);
kvm_set_vm_id_reg(kvm, SYS_ID_AA64ISAR1_EL1, val);
/* No AMU, MPAM, S-EL2, or RAS */
--
2.39.2
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