Date: Tue, 25 Nov 2014 20:08:49 +0100
From: Borislav Petkov <bp@suse.de>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        Richard Hendershot <rshendershot@mchsi.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        David Vrabel <david.vrabel@citrix.com>
Subject: Re: [PATCH 3.17 100/141] x86, microcode: Fix accessing dis_ucode_ldr
 on 32-bit
Message-ID: <20141125190849.GF4128@pd.tnic>
References: <20141119205150.700188369@linuxfoundation.org>
 <20141119205153.916605840@linuxfoundation.org>
 <5474C67A.7040200@oracle.com>
 <20141125182410.GB4128@pd.tnic>
 <5474CDCE.6040000@oracle.com>
 <20141125184351.GC4128@pd.tnic>
 <5474D0A1.2020600@oracle.com>
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Sender: linux-kernel-owner@vger.kernel.org

On Tue, Nov 25, 2014 at 01:55:29PM -0500, Boris Ostrovsky wrote:
> On 11/25/2014 01:43 PM, Borislav Petkov wrote:
> >On Tue, Nov 25, 2014 at 01:43:26PM -0500, Boris Ostrovsky wrote:
> >>I don't think this routine is called on PV.
> >They're either both called or none is. At least on baremetal, that is.
> >
> 
> PV guests don't start with startup_32.
> 
> We are coming from a resume into load_ucode_ap as:

Btw, why is this thing even running on xen? I'd like to make
CONFIG_MICROCODE depend on !PARAVIRT and be done with it.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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