linux-kernel - Re: [PATCH v2 2/2] x86/hyperv: fix invalid writes to MSRs during root partition kexec

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Message-ID: <Y1vMQo51EiaNbE1V@anrayabh-desk>
Date:   Fri, 28 Oct 2022 18:04:10 +0530
From:   Anirudh Rayabharam <anrayabh@...ux.microsoft.com>
To:     Wei Liu <wei.liu@...nel.org>
Cc:     "Michael Kelley (LINUX)" <mikelley@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Dexuan Cui <decui@...rosoft.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "x86@...nel.org" <x86@...nel.org>, "hpa@...or.com" <hpa@...or.com>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "stanislav.kinsburskiy@...il.com" <stanislav.kinsburskiy@...il.com>,
        "kumarpraveen@...ux.microsoft.com" <kumarpraveen@...ux.microsoft.com>,
        "mail@...rudhrb.com" <mail@...rudhrb.com>
Subject: Re: [PATCH v2 2/2] x86/hyperv: fix invalid writes to MSRs during
 root partition kexec

On Thu, Oct 27, 2022 at 07:16:49PM +0000, Wei Liu wrote:
> On Thu, Oct 27, 2022 at 01:44:40PM +0000, Michael Kelley (LINUX) wrote:
> > From: Anirudh Rayabharam <anrayabh@...ux.microsoft.com> Sent: Thursday, October 27, 2022 2:57 AM
> > > 
> > > hv_cleanup resets the hypercall page by setting the MSR to 0. However,
> > 
> > The function name is hyperv_cleanup(), not hv_cleanup().
> 
> I fixed this and applied both patches to hyperv-fixes. Thank you both.

Thank you!

Anirudh.