From: Marc Zyngier <maz@kernel.org>
To: Joey Gouly <joey.gouly@arm.com>
Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Zenghui Yu <yuzenghui@huawei.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH v2 05/25] KVM: arm64: nv: Add sanitising to VNCR-backed FGT sysregs
Date: Fri, 02 Feb 2024 14:58:46 +0000 [thread overview]
Message-ID: <86frya7w0p.wl-maz@kernel.org> (raw)
In-Reply-To: <20240201143806.GG2284078@e124191.cambridge.arm.com>
On Thu, 01 Feb 2024 14:38:06 +0000,
Joey Gouly <joey.gouly@arm.com> wrote:
>
> On Tue, Jan 30, 2024 at 08:45:12PM +0000, Marc Zyngier wrote:
> > Fine Grained Traps are controlled by a whole bunch of features.
> > Each one of them must be checked and the corresponding masks
> > computed so that we don't let the guest apply traps it shouldn't
> > be using.
> >
> > This takes care of HFGxTR_EL2, HDFGxTR_EL2, and HAFGRTR_EL2.
>
> ^^ and HFGITR_EL2
The intention was that it was covered by HFGxTR, but I can now see how
that can be confusing.
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
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next prev parent reply other threads:[~2024-02-02 14:59 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-30 20:45 [PATCH v2 00/25] KVM/arm64: VM configuration enforcement Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 01/25] arm64: sysreg: Add missing ID_AA64ISAR[13]_EL1 fields and variants Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 02/25] KVM: arm64: Add feature checking helpers Marc Zyngier
2024-02-02 17:13 ` Suzuki K Poulose
2024-02-04 11:08 ` Marc Zyngier
2024-02-04 11:44 ` Marc Zyngier
2024-02-05 10:10 ` Suzuki K Poulose
2024-01-30 20:45 ` [PATCH v2 03/25] KVM: arm64: nv: Add sanitising to VNCR-backed sysregs Marc Zyngier
2024-01-31 14:52 ` Joey Gouly
2024-01-30 20:45 ` [PATCH v2 04/25] KVM: arm64: nv: Add sanitising to EL2 configuration registers Marc Zyngier
2024-01-31 17:16 ` Joey Gouly
2024-02-02 15:05 ` Marc Zyngier
2024-02-01 14:56 ` Joey Gouly
2024-02-02 15:10 ` Marc Zyngier
2024-02-02 16:26 ` Joey Gouly
2024-01-30 20:45 ` [PATCH v2 05/25] KVM: arm64: nv: Add sanitising to VNCR-backed FGT sysregs Marc Zyngier
2024-02-01 14:38 ` Joey Gouly
2024-02-02 14:58 ` Marc Zyngier [this message]
2024-01-30 20:45 ` [PATCH v2 06/25] KVM: arm64: nv: Add sanitising to VNCR-backed HCRX_EL2 Marc Zyngier
2024-02-02 8:52 ` Oliver Upton
2024-02-02 13:30 ` Mark Brown
2024-02-02 14:56 ` Marc Zyngier
2024-02-02 17:15 ` Oliver Upton
2024-02-02 19:17 ` Oliver Upton
2024-02-02 20:14 ` Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 07/25] KVM: arm64: nv: Drop sanitised_sys_reg() helper Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 08/25] KVM: arm64: Unify HDFG[WR]TR_GROUP FGT identifiers Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 09/25] KVM: arm64: nv: Correctly handle negative polarity FGTs Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 10/25] KVM: arm64: nv: Turn encoding ranges into discrete XArray stores Marc Zyngier
2024-01-31 14:57 ` Joey Gouly
2024-01-30 20:45 ` [PATCH v2 11/25] KVM: arm64: Drop the requirement for XARRAY_MULTI Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 12/25] KVM: arm64: nv: Move system instructions to their own sys_reg_desc array Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 13/25] KVM: arm64: Always populate the trap configuration xarray Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 14/25] KVM: arm64: Register AArch64 system register entries with the sysreg xarray Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 15/25] KVM: arm64: Use the xarray as the primary sysreg/sysinsn walker Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 16/25] KVM: arm64: Rename __check_nv_sr_forward() to triage_sysreg_trap() Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 17/25] KVM: arm64: Add Fine-Grained UNDEF tracking information Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 18/25] KVM: arm64: Propagate and handle Fine-Grained UNDEF bits Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 19/25] KVM: arm64: Move existing feature disabling over to FGU infrastructure Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 20/25] KVM: arm64: Streamline save/restore of HFG[RW]TR_EL2 Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 21/25] KVM: arm64: Make TLBI OS/Range UNDEF if not advertised to the guest Marc Zyngier
2024-01-31 15:05 ` Joey Gouly
2024-01-30 20:45 ` [PATCH v2 22/25] KVM: arm64: Make PIR{,E0}_EL1 UNDEF if S1PIE is " Marc Zyngier
2024-01-31 14:46 ` Joey Gouly
2024-01-30 20:45 ` [PATCH v2 23/25] KVM: arm64: Make AMU sysreg UNDEF if FEAT_AMU " Marc Zyngier
2024-01-30 20:45 ` [PATCH v2 24/25] KVM: arm64: Make FEAT_MOPS UNDEF if " Marc Zyngier
2024-01-31 15:02 ` Joey Gouly
2024-01-30 20:45 ` [PATCH v2 25/25] KVM: arm64: Add debugfs file for guest's ID registers Marc Zyngier
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