linux-kernel - Re: [PATCH v5] KVM: arm64: Ignore kvm-arm.mode if !is_hyp_mode

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Message-Id: <166418635574.3586576.7130049081458859826.b4-ty@kernel.org>
Date:   Mon, 26 Sep 2022 10:59:39 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Elliot Berman <quic_eberman@...cinc.com>
Cc:     kvmarm@...ts.cs.columbia.edu, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5] KVM: arm64: Ignore kvm-arm.mode if !is_hyp_mode_available()

On Tue, 20 Sep 2022 12:06:58 -0700, Elliot Berman wrote:
> Ignore kvm-arm.mode if !is_hyp_mode_available(). Specifically, we want
> to avoid switching kvm_mode to KVM_MODE_PROTECTED if hypervisor mode is
> not available. This prevents "Protected KVM" cpu capability being
> reported when Linux is booting in EL1 and would not have KVM enabled.
> Reasonably though, we should warn if the command line is requesting a
> KVM mode at all if KVM isn't actually available. Allow
> "kvm-arm.mode=none" to skip the warning since this would disable KVM
> anyway.

Applied to next, thanks!

[1/1] KVM: arm64: Ignore kvm-arm.mode if !is_hyp_mode_available()
      commit: b2a4d007c347b4cb4c60f7512733c3f8300a129c

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.