linux-kernel - Re: [PATCH 1/1] x86/hyperv: Clarify comment on x2apic mode

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Message-ID: <20201026162921.4kj47twy2wl43jji@liuwe-devbox-debian-v2>
Date:   Mon, 26 Oct 2020 16:29:21 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Michael Kelley <mikelley@...rosoft.com>
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de,
        peterz@...radead.org, kys@...rosoft.com, sthemmin@...rosoft.com,
        wei.liu@...nel.org, mingo@...hat.com, bp@...en8.de, x86@...nel.org,
        hpa@...or.com, linux-hyperv@...r.kernel.org
Subject: Re: [PATCH 1/1] x86/hyperv: Clarify comment on x2apic mode

On Mon, Oct 26, 2020 at 07:52:52AM -0700, Michael Kelley wrote:
> The comment about Hyper-V accessors is unclear regarding their
> potential use in x2apic mode, as is the associated commit message
> in e211288b72f1.  Clarify that while the architectural and
> synthetic MSRs are equivalent in x2apic mode, the full set of xapic
> accessors cannot be used because of register layout differences.
> 
> Fixes: e211288b72f1 ("x86/hyperv: Make vapic support x2apic mode")
> Signed-off-by: Michael Kelley <mikelley@...rosoft.com>

Applied to hyperv-fixes. Thanks.