linux-kernel - RE: [PATCH v2] x86/hyperv: Set pv

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Message-ID: <DM5PR21MB01377F713A553FCF721EF99DD7930@DM5PR21MB0137.namprd21.prod.outlook.com>
Date:   Tue, 15 Oct 2019 13:06:33 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     Andrea Parri <parri.andrea@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>
CC:     KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Sasha Levin <sashal@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>, vkuznets <vkuznets@...hat.com>,
        Dexuan Cui <decui@...rosoft.com>, Wei Liu <wei.liu@...nel.org>
Subject: RE: [PATCH v2] x86/hyperv: Set pv_info.name to "Hyper-V"

From: Andrea Parri <parri.andrea@...il.com> Sent: Tuesday, October 15, 2019 3:35 AM
> 
> Michael reported that the x86/hyperv initialization code printed the
> following dmesg when running in a VM on Hyper-V:
> 
>   [    0.000738] Booting paravirtualized kernel on bare hardware
> 
> Let the x86/hyperv initialization code set pv_info.name to "Hyper-V";
> with this addition, the dmesg read:
> 
>   [    0.000172] Booting paravirtualized kernel on Hyper-V
> 
> Reported-by: Michael Kelley <mikelley@...rosoft.com>
> Signed-off-by: Andrea Parri <parri.andrea@...il.com>

Reviewed-by: Michael Kelley <mikelley@...rosoft.com>