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KVM: arm64: nv: Advertise support for PAuth

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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 <joey.gouly@arm.com>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240419102935.1935571-15-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier 2024-04-19 11:29:34 +01:00
parent 213b3d1ea1
commit f4f6a95bac
1 changed files with 2 additions and 6 deletions
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8
arch/arm64/kvm/nested.c
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@ -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: