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Date: Wed, 18 Apr 2018 20:07:42 +0200
From: Borislav Petkov <bp@suse.de>
Subject: [MODERATED] Re: [patch 3/8] [PATCH v1.3.1 3/7] Linux Patch 3
Message-ID: <20180418180741.GK4290@pd.tnic>
References: <20180418141551.07CBB6111A@crypto-ml.lab.linutronix.de>
 <20180418153712.GD4290@pd.tnic>
 <20180418160029.GE4290@pd.tnic>
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To: speck@linutronix.de
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On Wed, Apr 18, 2018 at 06:00:29PM +0200, Borislav Petkov wrote:
> 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.
>=20
> ... and while you're at it, do the respective thing in:
>=20
> init_amd_bd() and there set MSR C001_0120, bit 54.

Correction: F15h should use the same MSR C001_1020, bit 54.

Basically it is the same MSR but different bits for the different
families.

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