Return-path: Received: from userp2130.oracle.com ([156.151.31.86]) by Galois.linutronix.de with esmtps (TLS1.2:RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1fJ7Ut-0006qi-QL for speck@linutronix.de; Thu, 17 May 2018 03:14:27 +0200 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w4H1BKKZ047520 for ; Thu, 17 May 2018 01:14:16 GMT Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp2130.oracle.com with ESMTP id 2hx29wf6sw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 17 May 2018 01:14:16 +0000 Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w4H1EFVl004719 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 17 May 2018 01:14:15 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w4H1EFKj026649 for ; Thu, 17 May 2018 01:14:15 GMT Date: Wed, 16 May 2018 21:14:14 -0400 From: Konrad Rzeszutek Wilk Subject: [MODERATED] Re: [patch 04/15] SSB updates V17 4 Message-ID: <20180517011414.GC10272@char.us.oracle.com> References: <20180516135132.687640705@linutronix.de> <20180516135209.632632299@linutronix.de> MIME-Version: 1.0 In-Reply-To: <20180516135209.632632299@linutronix.de> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: speck@linutronix.de List-ID: On Wed, May 16, 2018 at 03:51:36PM +0200, speck for Thomas Gleixner wrote: > Subject: [patch 04/15] x86/cpufeatures: Disentangle SSBD enumeration > From: Thomas Gleixner > > The SSBD enumeration is similarly to the other bits magically shared > between Intel and AMD though the mechanisms are different. > > Make X86_FEATURE_SSBD synthetic and set it depending on the vendor specific > features or family dependent setup. > > Change the Intel bit to X86_FEATURE_SPEC_CTRL_SSBD to denote that SSBD is > controlled via MSR_SPEC_CTRL and fix up the usage sites. > > Signed-off-by: Thomas Gleixner > Reviewed-by: Borislav Petkov Reviewed-by: Konrad Rzeszutek Wilk Thank you!