From: Will Deacon <will@kernel.org>
To: Marc Zyngier <maz@kernel.org>
Cc: kvm@vger.kernel.org, kernel-team@android.com,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] KVM: arm64: Allow KVM to be disabled from the command line
Date: Wed, 29 Sep 2021 11:28:33 +0100 [thread overview]
Message-ID: <20210929102832.GD21057@willie-the-truck> (raw)
In-Reply-To: <20210903091652.985836-1-maz@kernel.org>
On Fri, Sep 03, 2021 at 10:16:52AM +0100, Marc Zyngier wrote:
> Although KVM can be compiled out of the kernel, it cannot be disabled
> at runtime. Allow this possibility by introducing a new mode that
> will prevent KVM from initialising.
>
> This is useful in the (limited) circumstances where you don't want
> KVM to be available (what is wrong with you?), or when you want
> to install another hypervisor instead (good luck with that).
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> ---
> Documentation/admin-guide/kernel-parameters.txt | 3 +++
> arch/arm64/include/asm/kvm_host.h | 1 +
> arch/arm64/kernel/idreg-override.c | 1 +
> arch/arm64/kvm/arm.c | 14 +++++++++++++-
> 4 files changed, 18 insertions(+), 1 deletion(-)
Acked-by: Will Deacon <will@kernel.org>
Will
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next prev parent reply other threads:[~2021-09-29 10:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-03 9:16 [PATCH] KVM: arm64: Allow KVM to be disabled from the command line Marc Zyngier
2021-09-28 14:58 ` David Brazdil
2021-09-30 10:22 ` Marc Zyngier
2021-09-29 10:28 ` Will Deacon [this message]
2021-09-29 10:35 ` Suzuki K Poulose
2021-09-30 10:29 ` Marc Zyngier
2021-10-01 9:27 ` Suzuki K Poulose
2021-10-01 14:54 ` Marc Zyngier
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