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| author | Marc Zyngier <maz@kernel.org> | 2024-04-19 12:29:34 +0200 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2024-04-20 13:42:51 +0200 |
| commit | f4f6a95bac49144c0d507c24af9905bb999a4579 (patch) | |
| tree | e61670970eb522970aa52a42b14abe1c78c88ae4 /arch/arm64/kvm/nested.c | |
| parent | KVM: arm64: nv: Handle ERETA[AB] instructions (diff) | |
| download | linux-f4f6a95bac49144c0d507c24af9905bb999a4579.tar.xz linux-f4f6a95bac49144c0d507c24af9905bb999a4579.zip | |
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 <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>
Diffstat (limited to 'arch/arm64/kvm/nested.c')
| -rw-r--r-- | arch/arm64/kvm/nested.c | 8 |
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: |