From: Marc Zyngier Date: Fri, 19 Apr 2024 10:29:34 +0000 (+0100) Subject: KVM: arm64: nv: Advertise support for PAuth X-Git-Tag: v6.10-rc1~139^2~7^2~4^2~2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4f6a95bac49144c0d507c24af9905bb999a4579;p=thirdparty%2Flinux.git 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 Reviewed-by: Oliver Upton Link: https://lore.kernel.org/r/20240419102935.1935571-15-maz@kernel.org Signed-off-by: Marc Zyngier --- diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c index ced30c90521a0..6813c7c7f00ab 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: