From: Marc Zyngier <maz@kernel.org>
To: Mark Brown <broonie@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Shuah Khan <shuah@kernel.org>,
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 v15 1/6] arm64/gcs: Ensure FGTs for EL1 GCS instructions are disabled
Date: Wed, 20 Aug 2025 23:28:30 +0100 [thread overview]
Message-ID: <87h5y1k4q9.wl-maz@kernel.org> (raw)
In-Reply-To: <87ikihk4x3.wl-maz@kernel.org>
On Wed, 20 Aug 2025 23:24:24 +0100,
Marc Zyngier <maz@kernel.org> wrote:
>
> On Wed, 20 Aug 2025 15:14:41 +0100,
> Mark Brown <broonie@kernel.org> wrote:
> >
> > The initial EL2 setup for GCS did not include disabling of EL1 usage of
> > GCS instructions, also disable these traps. This is the first disabling
> > of instruction traps, use x2 to store the value to be written.
>
> Written where?
Gah, I was looking at 6.16, not 6.17-rc1.
Apologies for the noise.
M.
--
Jazz isn't dead. It just smells funny.
next prev parent reply other threads:[~2025-08-20 22:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-20 14:14 [PATCH v15 0/6] KVM: arm64: Provide guest support for GCS Mark Brown
2025-08-20 14:14 ` [PATCH v15 1/6] arm64/gcs: Ensure FGTs for EL1 GCS instructions are disabled Mark Brown
2025-08-20 22:24 ` Marc Zyngier
2025-08-20 22:28 ` Marc Zyngier [this message]
2025-08-20 14:14 ` [PATCH v15 2/6] KVM: arm64: Manage GCS access and registers for guests Mark Brown
2025-08-20 21:06 ` Marc Zyngier
2025-08-20 22:13 ` Mark Brown
2025-08-20 14:14 ` [PATCH v15 3/6] KVM: arm64: Forward GCS exceptions to nested guests Mark Brown
2025-08-20 22:15 ` Marc Zyngier
2025-08-21 21:25 ` Mark Brown
2025-08-20 14:14 ` [PATCH v15 4/6] KVM: arm64: Set PSTATE.EXLOCK when entering an exception Mark Brown
2025-08-20 22:02 ` Marc Zyngier
2025-08-21 20:44 ` Mark Brown
2025-09-08 18:42 ` Marc Zyngier
2025-08-20 14:14 ` [PATCH v15 5/6] KVM: arm64: Allow GCS to be enabled for guests Mark Brown
2025-08-20 22:18 ` Marc Zyngier
2025-08-20 14:14 ` [PATCH v15 6/6] KVM: selftests: arm64: Add GCS registers to get-reg-list Mark Brown
2025-08-20 22:30 ` [PATCH v15 0/6] KVM: arm64: Provide guest support for GCS Marc Zyngier
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