From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linutronix.de (193.142.43.55:993) by crypto-ml.lab.linutronix.de with IMAP4-SSL for ; 25 Oct 2019 07:36:44 -0000 Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by Galois.linutronix.de with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1iNu9K-0001MG-NL for speck@linutronix.de; Fri, 25 Oct 2019 09:36:43 +0200 Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 768ECAE99 for ; Fri, 25 Oct 2019 07:36:37 +0000 (UTC) Date: Fri, 25 Oct 2019 09:36:23 +0200 From: Borislav Petkov Subject: [MODERATED] Re: [PATCH 4/9] TAA 4 Message-ID: <20191025073623.GC22381@zn.tnic> References: <04f1ef8158e54eca18fc3951d75a00c5d398c429.1571905227.git.bp@suse.de> <20191025004942.GC20569@guptapadev.amr> MIME-Version: 1.0 In-Reply-To: <20191025004942.GC20569@guptapadev.amr> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable To: speck@linutronix.de List-ID: On Thu, Oct 24, 2019 at 05:49:42PM -0700, speck for Pawan Gupta wrote: > On Wed, Oct 23, 2019 at 11:30:45AM +0200, speck for Pawan Gupta wrote: > > void cpu_bugs_smt_update(void) > > { > > @@ -819,6 +916,19 @@ void cpu_bugs_smt_update(void) > > break; > > } > > =20 > > + switch (taa_mitigation) { > > + case TAA_MITIGATION_VERW: > > + case TAA_MITIGATION_UCODE_NEEDED: > > + if (sched_smt_active()) > > + pr_warn_once(TAA_MSG_SMT); > > + /* TSX is enabled, apply MDS idle buffer clearing. */ > > + update_mds_branch_idle(); >=20 > With partial clearing removed, this call can go away. It is gone now, thx. --=20 Regards/Gruss, Boris. SUSE Software Solutions Germany GmbH, GF: Felix Imend=C3=B6rffer, HRB 36809, = AG N=C3=BCrnberg --=20