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

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Message-ID: <20191015102527.GA12412@andrea.guest.corp.microsoft.com>
Date:   Tue, 15 Oct 2019 12:25:27 +0200
From:   Andrea Parri <parri.andrea@...il.com>
To:     Wei Liu <wei.liu@...nel.org>
Cc:     Linux Kernel List <linux-kernel@...r.kernel.org>,
        Linux on Hyper-V List <linux-hyperv@...r.kernel.org>,
        x86@...nel.org, "K . Y . 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>,
        Michael Kelley <mikelley@...rosoft.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Dexuan Cui <decui@...rosoft.com>
Subject: Re: [PATCH] x86/hyperv: Set pv_info.name to "Hyper-V"

> > @@ -154,6 +154,8 @@ static uint32_t  __init ms_hyperv_platform(void)
> 
> This function is for platform detection only.
> 
> >         if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
> >                 return 0;
> >
> > +       pv_info.name = "Hyper-V";
> > +
> 
> At this point we're not sure if Linux is really running on Hyper-V yet.
> 
> Setting pv_info.name should be moved to the init_platform hook, i.e.
> ms_hyperv_init_platform.

Thank you for the review, Wei.  I'll move this to the init_platform hook
and re-submit shortly.

Thanks,
  Andrea