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authorMarc Zyngier <[email protected]>2024-04-19 11:29:34 +0100
committerMarc Zyngier <[email protected]>2024-04-20 12:42:51 +0100
commitf4f6a95bac49144c0d507c24af9905bb999a4579 (patch)
treee61670970eb522970aa52a42b14abe1c78c88ae4
parent213b3d1ea1612c6d26153be446923831c4534689 (diff)
KVM: arm64: nv: Advertise support for PAuth
Now that we (hopefully) correctly handle ERETAx, drop the masking of the PAuth feature (something that was not even complete, as APA3 and AGA3 were still exposed). Reviewed-by: Joey Gouly <[email protected]> Reviewed-by: Oliver Upton <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Marc Zyngier <[email protected]>
-rw-r--r--arch/arm64/kvm/nested.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index ced30c90521a..6813c7c7f00a 100644
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -35,13 +35,9 @@ static u64 limit_nv_id_reg(u32 id, u64 val)
break;
case SYS_ID_AA64ISAR1_EL1:
- /* Support everything but PtrAuth and Spec Invalidation */
+ /* Support everything but Spec Invalidation */
val &= ~(GENMASK_ULL(63, 56) |
- NV_FTR(ISAR1, SPECRES) |
- NV_FTR(ISAR1, GPI) |
- NV_FTR(ISAR1, GPA) |
- NV_FTR(ISAR1, API) |
- NV_FTR(ISAR1, APA));
+ NV_FTR(ISAR1, SPECRES));
break;
case SYS_ID_AA64PFR0_EL1: