From: Mark Brown <broonie@kernel.org>
To: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Shuah Khan <shuah@kernel.org>, Oliver Upton <oupton@kernel.org>,
Fuad Tabba <fuad.tabba@linux.dev>,
Peter Maydell <peter.maydell@linaro.org>,
Leonardo Bras <leo.bras@arm.com>,
Wei-Lin Chang <weilin.chang@arm.com>,
Yao Yuan <yaoyuan@linux.alibaba.com>,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v21 02/15] KVM: arm64: Refuse to start a guest with S1PIE or S1POE but not TCR2
Date: Wed, 21 Oct 2026 16:44:26 +0100 [thread overview]
Message-ID: <atjd2g25X3YUtOPY@sirena.org.uk> (raw)
In-Reply-To: <atdebC62zPS1sQeR@gremlin>
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On Tue, Oct 20, 2026 at 02:16:50PM +0100, Lorenzo Stoakes (ARM) wrote:
> On Wed, Oct 14, 2026 at 06:48:37PM +0100, Mark Brown wrote:
> > TBH when I said in the commit log I was thinking of something more data
> > driven I was thinking more of having the dependencies expressed as pure
> > data, more like the way the test in set_id_regs is written. This also
> > seems fine to me, the checks are similar. It's just much more invasive.
> Indeed. Perhaps the config.c approach will make it easier to convert JSON
> -> code also?
I'm not sure how much of a difference it makes given that there's still
code for the actual dependency set.
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next prev parent reply other threads:[~2026-10-21 15:44 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 21:48 [PATCH v21 00/15] KVM: arm64: Provide guest support for GCS Mark Brown
2026-09-30 21:48 ` [PATCH v21 01/15] arm64/gcs: Ensure FGTs for EL1 GCS instructions are disabled Mark Brown
2026-09-30 21:48 ` [PATCH v21 02/15] KVM: arm64: Refuse to start a guest with S1PIE or S1POE but not TCR2 Mark Brown
2026-09-30 22:05 ` sashiko-bot
2026-10-01 11:25 ` Lorenzo Stoakes (ARM)
2026-10-01 12:07 ` Mark Brown
2026-10-01 10:50 ` Lorenzo Stoakes (ARM)
2026-10-03 12:30 ` Marc Zyngier
2026-10-14 15:47 ` Lorenzo Stoakes (ARM)
2026-10-14 17:48 ` Mark Brown
2026-10-20 13:16 ` Lorenzo Stoakes (ARM)
2026-10-21 15:44 ` Mark Brown [this message]
2026-09-30 21:48 ` [PATCH v21 03/15] KVM: arm64: Manage GCS access and registers for guests Mark Brown
2026-10-01 11:28 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 04/15] KVM: arm64: Ensure GCS memory effects are visible Mark Brown
2026-09-30 21:48 ` [PATCH v21 05/15] KVM: arm64: Set PSTATE.EXLOCK when entering an exception Mark Brown
2026-10-01 11:37 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 06/15] KVM: arm64: Validate GCS exception lock when emulating ERET Mark Brown
2026-10-01 13:10 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 07/15] KVM: arm64: Forward GCS exceptions to nested guests Mark Brown
2026-10-01 14:25 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 08/15] KVM: arm64: Enforce EXLOCK for SPSR and ELR Mark Brown
2026-10-01 16:26 ` Lorenzo Stoakes (ARM)
2026-10-01 21:11 ` Mark Brown
2026-10-02 11:50 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 09/15] KVM: arm64: Allow GCS to be enabled for guests Mark Brown
2026-10-01 16:29 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 10/15] KVM: selftests: arm64: Check that invalid feature combinations are rejected Mark Brown
2026-10-01 16:35 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 11/15] KVM: selftests: arm64: Add GCS registers to get-reg-list Mark Brown
2026-10-01 16:36 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 12/15] KVM: selftests: arm64: Add GCS to set_id_regs Mark Brown
2026-10-01 16:38 ` Lorenzo Stoakes (ARM)
2026-10-01 18:14 ` Mark Brown
2026-10-02 11:27 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 13/15] KVM: selftests: arm64: Only restore SPSR_EL1 and ELR_EL1 if they change Mark Brown
2026-10-01 16:41 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 14/15] tools: Synchronise the kernel esr.h Mark Brown
2026-09-30 22:14 ` sashiko-bot
2026-10-01 16:47 ` Lorenzo Stoakes (ARM)
2026-10-01 17:27 ` Mark Brown
2026-10-02 11:31 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 15/15] KVM: selftests: arm64: Add GCS EXLOCK exception emulation test Mark Brown
2026-09-30 22:24 ` sashiko-bot
2026-10-01 16:53 ` Lorenzo Stoakes (ARM)
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