From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linutronix.de (146.0.238.70:993) by crypto-ml.lab.linutronix.de with IMAP4-SSL for ; 06 Mar 2019 20:32:48 -0000 Received: from p5492e2fc.dip0.t-ipconnect.de ([84.146.226.252] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1h1dDb-0004JA-Jc for speck@linutronix.de; Wed, 06 Mar 2019 21:32:47 +0100 Date: Wed, 6 Mar 2019 21:32:47 +0100 (CET) From: Thomas Gleixner Subject: Re: [patch V6 04/14] MDS basics 4 In-Reply-To: Message-ID: References: <20190301214738.281554861@linutronix.de> <20190301214847.524432729@linutronix.de> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="8323329-1410515207-1551904367=:1646" To: speck@linutronix.de List-ID: --8323329-1410515207-1551904367=:1646 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE On Wed, 6 Mar 2019, speck for Andrew Cooper wrote: > On 01/03/2019 21:47, speck for Thomas Gleixner wrote: > > #define VULNWL(_vendor, _family, _model, _whitelist)=09\ > > =09{ X86_VENDOR_##_vendor, _family, _model, X86_FEATURE_ANY, _whitelis= t } > > @@ -983,8 +984,8 @@ static const __initconst struct x86_cpu_ > > =09VULNWL_INTEL(ATOM_SILVERMONT_X,=09=09NO_SSB | NO_L1TF), > > =09VULNWL_INTEL(ATOM_SILVERMONT_MID,=09NO_SSB | NO_L1TF), > > =09VULNWL_INTEL(ATOM_AIRMONT,=09=09NO_SSB | NO_L1TF), > > -=09VULNWL_INTEL(XEON_PHI_KNL,=09=09NO_SSB | NO_L1TF), > > -=09VULNWL_INTEL(XEON_PHI_KNM,=09=09NO_SSB | NO_L1TF), > > +=09VULNWL_INTEL(XEON_PHI_KNL,=09=09NO_SSB | NO_L1TF | MSBDS_ONLY), > > +=09VULNWL_INTEL(XEON_PHI_KNM,=09=09NO_SSB | NO_L1TF | MSBDS_ONLY), >=20 > Looking at the table in the magic PDF, Silvermont/Airmont are MDBDS_ONLY > as well. >=20 > The model numbers listed in the Silvermont/Airmont category are 37, 4a, > 4c, 4d, 5a, 5d, 6e, 65, 75. >=20 > The first 5 of those models match up with Linux's Silvermont/Airmont > names, while the last 4 are unknown.=C2=A0 I can't locate them anywhere a= nd > have requested clarification. Yeah, forgot about the Silvermonts. Though the SMT problem does not exist there as these beasts do not have HT AFAICT. Thanks, =09tglx --8323329-1410515207-1551904367=:1646--