From mboxrd@z Thu Jan  1 00:00:00 1970
Return-path: <bp@suse.de>
Received: from mx2.suse.de ([195.135.220.15])	by Galois.linutronix.de with
 esmtps (TLS1.0:DHE_RSA_CAMELLIA_256_CBC_SHA1:256)	(Exim 4.80)	(envelope-from
 <bp@suse.de>)	id 1f8pVj-0006o9-5q	for speck@linutronix.de; Wed, 18 Apr 2018
 18:00:43 +0200
Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254])
	by mx2.suse.de (Postfix) with ESMTP id 0474DAF06
	for <speck@linutronix.de>; Wed, 18 Apr 2018 16:00:35 +0000 (UTC)
Date: Wed, 18 Apr 2018 18:00:29 +0200
From: Borislav Petkov <bp@suse.de>
Subject: [MODERATED] Re: ***UNCHECKED*** Re: [patch 3/8] [PATCH v1.3.1 3/7]
 Linux Patch 3
Message-ID: <20180418160029.GE4290@pd.tnic>
References: <20180418141551.07CBB6111A@crypto-ml.lab.linutronix.de>
 <20180418153712.GD4290@pd.tnic>
MIME-Version: 1.0
In-Reply-To: <20180418153712.GD4290@pd.tnic>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
To: speck@linutronix.de
List-ID: <speck.linutronix.de>

On Wed, Apr 18, 2018 at 05:37:13PM +0200, speck for Borislav Petkov wrote:
> And add to init_amd_zn() code reading MSR 0xc0011020, setting bit 10 to
> 1b and then writing it back in the mdd_at_boot() case. We have a define
> for that MSR already - MSR_AMD64_LS_CFG.

... and while you're at it, do the respective thing in:

init_amd_bd() and there set MSR C001_0120, bit 54.

and for F16h, add

	case 0x16: init_amd_jg(c); break;

in the switch statement in init_amd() and in that new function

set MSR C001_1020, bit 33.

All for the mdd_at_boot() case.

Thx.

--=20
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imend=C3=B6rffer, Jane Smithard, Graham Norton, HR=
B 21284 (AG N=C3=BCrnberg)
--=20