From: Marc Zyngier <maz@kernel.org>
To: Oliver Upton <oliver.upton@linux.dev>
Cc: kvmarm@lists.linux.dev, Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Sebastian Ott <sebott@redhat.com>
Subject: Re: [PATCH 0/3] KVM: arm64: Fixes for 'writable' ID registers in protected mode
Date: Thu, 06 Mar 2025 00:26:33 +0000 [thread overview]
Message-ID: <86bjufovgm.wl-maz@kernel.org> (raw)
In-Reply-To: <20250305230825.484091-1-oliver.upton@linux.dev>
On Wed, 05 Mar 2025 23:08:22 +0000,
Oliver Upton <oliver.upton@linux.dev> wrote:
>
> Address a few issues with ID register handling in protected mode:
>
> - CTR_EL0 isn't trapped on FEAT_EVT systems if userspace changed the
> guest value
>
> - VPIDR_EL2 is set to 0 if userspace enabled writable 'implementation
> ID' registers
>
> - Fix in capability documentation
>
> Oliver Upton (3):
> KVM: arm64: Copy guest CTR_EL0 into hyp VM
> KVM: arm64: Copy MIDR_EL1 into hyp VM when it is writable
> KVM: arm64: Fix documentation for KVM_CAP_ARM_WRITABLE_IMP_ID_REGS
>
> Documentation/virt/kvm/api.rst | 2 +-
> arch/arm64/kvm/hyp/nvhe/pkvm.c | 7 ++++++-
> 2 files changed, 7 insertions(+), 2 deletions(-)
Irrespective of the comments for the first two patches:
Reviewed-by: Marc Zyngier <maz@kernel.org>
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2025-03-06 0:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-05 23:08 [PATCH 0/3] KVM: arm64: Fixes for 'writable' ID registers in protected mode Oliver Upton
2025-03-05 23:08 ` [PATCH 1/3] KVM: arm64: Copy guest CTR_EL0 into hyp VM Oliver Upton
2025-03-06 0:25 ` Marc Zyngier
2025-03-05 23:08 ` [PATCH 2/3] KVM: arm64: Copy MIDR_EL1 into hyp VM when it is writable Oliver Upton
2025-03-06 10:52 ` Sebastian Ott
2025-03-05 23:08 ` [PATCH 3/3] KVM: arm64: Fix documentation for KVM_CAP_ARM_WRITABLE_IMP_ID_REGS Oliver Upton
2025-03-06 0:26 ` Marc Zyngier [this message]
2025-03-06 1:01 ` [PATCH 0/3] KVM: arm64: Fixes for 'writable' ID registers in protected mode Oliver Upton
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