Commit f4f6a95b authored by Marc Zyngier's avatar Marc Zyngier
Browse files

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: default avatarJoey Gouly <joey.gouly@arm.com>
Reviewed-by: default avatarOliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240419102935.1935571-15-maz@kernel.org


Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent 213b3d1e

arch/arm64/kvm/nested.c

+2 −6
Original line number Diff line number Diff line
@@ -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: