From: Marc Zyngier <maz@kernel.org> To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: James Morse <james.morse@arm.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Oliver Upton <oliver.upton@linux.dev>, Zenghui Yu <yuzenghui@huawei.com>, Joey Gouly <joey.gouly@arm.com>, Will Deacon <will@kernel.org>, Catalin Marinas <catalin.marinas@arm.com> Subject: [PATCH v2 13/13] KVM: arm64: nv: Advertise support for PAuth Date: Mon, 26 Feb 2024 10:06:01 +0000 [thread overview] Message-ID: <20240226100601.2379693-14-maz@kernel.org> (raw) In-Reply-To: <20240226100601.2379693-1-maz@kernel.org> 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). Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/kvm/nested.c | 8 ++------ 1 file 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: -- 2.39.2
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org> To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: James Morse <james.morse@arm.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Oliver Upton <oliver.upton@linux.dev>, Zenghui Yu <yuzenghui@huawei.com>, Joey Gouly <joey.gouly@arm.com>, Will Deacon <will@kernel.org>, Catalin Marinas <catalin.marinas@arm.com> Subject: [PATCH v2 13/13] KVM: arm64: nv: Advertise support for PAuth Date: Mon, 26 Feb 2024 10:06:01 +0000 [thread overview] Message-ID: <20240226100601.2379693-14-maz@kernel.org> (raw) In-Reply-To: <20240226100601.2379693-1-maz@kernel.org> 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). Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/kvm/nested.c | 8 ++------ 1 file 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: -- 2.39.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-02-26 10:07 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-02-26 10:05 [PATCH v2 00/13] KVM/arm64: Add NV support for ERET and PAuth Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 01/13] KVM: arm64: Harden __ctxt_sys_reg() against out-of-range values Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 02/13] KVM: arm64: Add helpers for ESR_ELx_ERET_ISS_ERET* Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 03/13] KVM: arm64: nv: Drop VCPU_HYP_CONTEXT flag Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 04/13] KVM: arm64: nv: Configure HCR_EL2 for FEAT_NV2 Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 05/13] KVM: arm64: nv: Add trap forwarding for ERET and SMC Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 06/13] KVM: arm64: nv: Fast-track 'InHost' exception returns Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-02-28 16:08 ` Joey Gouly 2024-02-28 16:08 ` Joey Gouly 2024-02-29 13:44 ` Marc Zyngier 2024-02-29 13:44 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 07/13] KVM: arm64: nv: Honor HFGITR_EL2.ERET being set Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-03-01 18:07 ` Joey Gouly 2024-03-01 18:07 ` Joey Gouly 2024-03-01 19:14 ` Marc Zyngier 2024-03-01 19:14 ` Marc Zyngier 2024-03-01 20:15 ` Joey Gouly 2024-03-01 20:15 ` Joey Gouly 2024-02-26 10:05 ` [PATCH v2 08/13] KVM: arm64: nv: Handle HCR_EL2.{API,APK} independently Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-03-07 15:14 ` Joey Gouly 2024-03-07 15:14 ` Joey Gouly 2024-03-07 15:58 ` Marc Zyngier 2024-03-07 15:58 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 09/13] KVM: arm64: nv: Reinject PAC exceptions caused by HCR_EL2.API==0 Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 10/13] KVM: arm64: nv: Add kvm_has_pauth() helper Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-02-26 10:05 ` [PATCH v2 11/13] KVM: arm64: nv: Add emulation for ERETAx instructions Marc Zyngier 2024-02-26 10:05 ` Marc Zyngier 2024-03-07 13:39 ` Joey Gouly 2024-03-07 13:39 ` Joey Gouly 2024-03-07 14:24 ` Marc Zyngier 2024-03-07 14:24 ` Marc Zyngier 2024-03-08 17:20 ` Joey Gouly 2024-03-08 17:20 ` Joey Gouly 2024-03-08 17:54 ` Marc Zyngier 2024-03-08 17:54 ` Marc Zyngier 2024-03-12 10:46 ` Joey Gouly 2024-03-12 10:46 ` Joey Gouly 2024-02-26 10:06 ` [PATCH v2 12/13] KVM: arm64: nv: Handle ERETA[AB] instructions Marc Zyngier 2024-02-26 10:06 ` Marc Zyngier 2024-03-12 11:17 ` Joey Gouly 2024-03-12 11:17 ` Joey Gouly 2024-02-26 10:06 ` Marc Zyngier [this message] 2024-02-26 10:06 ` [PATCH v2 13/13] KVM: arm64: nv: Advertise support for PAuth Marc Zyngier 2024-03-12 11:21 ` Joey Gouly 2024-03-12 11:21 ` Joey Gouly
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