diff mbox series

[09/11] KVM: arm64: nv: Expose FEAT_LS64* to a nested guest

Message ID 20240815125959.2097734-10-maz@kernel.org (mailing list archive)
State New, archived
Headers show
Series KVM: arm64: Add support for FEAT_LS64 and co | expand

Commit Message

Marc Zyngier Aug. 15, 2024, 12:59 p.m. UTC 
Now that we correctly support FEAT_LS64*, don't hide it from nested
guests anymore.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/kvm/nested.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

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 */