linux-kernel - RE: [PATCH] x86/hyperv: suppress "PCI: Fatal: No config space access function found"

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Message-ID: <CY4PR21MB0773AC52038EB086745D8368DC1C0@CY4PR21MB0773.namprd21.prod.outlook.com>
Date:   Wed, 19 Sep 2018 15:44:54 +0000
From:   "Michael Kelley (EOSG)" <Michael.H.Kelley@...rosoft.com>
To:     Dexuan Cui <decui@...rosoft.com>, "H. Peter Anvin" <hpa@...or.com>,
        Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "x86@...nel.org" <x86@...nel.org>
CC:     "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        "'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>,
        "'olaf@...fle.de'" <olaf@...fle.de>,
        "'apw@...onical.com'" <apw@...onical.com>,
        "'jasowang@...hat.com'" <jasowang@...hat.com>,
        vkuznets <vkuznets@...hat.com>,
        "'marcelo.cerri@...onical.com'" <marcelo.cerri@...onical.com>,
        Josh Poulson <jopoulso@...rosoft.com>
Subject: RE: [PATCH] x86/hyperv: suppress "PCI: Fatal: No config space access
 function found"

From: Dexuan Cui   Sent: Tuesday, September 18, 2018 3:30 PM
> 
> A Generatin-2 Linux VM on Hyper-V doesn't have the legacy PCI bus, and
> users always see the scary warning, which is actually harmless. The patch
> is made to suppress the warning.
> 
> Signed-off-by: Dexuan Cui <decui@...rosoft.com>
> Cc: K. Y. Srinivasan <kys@...rosoft.com>
> Cc: Haiyang Zhang <haiyangz@...rosoft.com>
> Cc: Stephen Hemminger <sthemmin@...rosoft.com>
> ---
>  arch/x86/hyperv/hv_init.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 

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