Received: by 10.223.185.116 with SMTP id b49csp3749581wrg; Tue, 13 Feb 2018 07:12:37 -0800 (PST) X-Google-Smtp-Source: AH8x224bHj5V6iP0zAIi/ShJwq74kbx6uel3mhgXrGgPS45fUReWEGuGTQCiYFd6hjWLEeq6Si7U X-Received: by 10.99.115.67 with SMTP id d3mr1267261pgn.223.1518534757885; Tue, 13 Feb 2018 07:12:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1518534757; cv=none; d=google.com; s=arc-20160816; b=S06RjfkM2czoaTw3N3CAoJYWaNoyrlGwqcsz8PV8m2CjLz6p7MnoOidd3QIgqd5Woh v/DYEMwB0EmO8wSPe5IMB+p9eGZS/Rzle2RYyR5G3tFRQT3BFdtEnAftj65H6hYmOaoc v+psKpSc+j6qi7+6KeA4QJOxc1K0JgkeL3NOdemQtBQbAg3u7gwCgxTPGe8tlA4lgpy/ jYvpJvmJ80p/TyzYT22KCuumJTCk63S2Uxvc9T3p0Gf6kZtEbs4qWiulRqE6NMSRZwSs CwDOqqrnMajSGUONkOleEZ0cf0qRMTnnObQoWPl+Z6yXAV9CtD6EwRh2gQ1rWW2eKx+b ED+w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:arc-authentication-results; bh=kkMhPtbiSGoy/eUKNBoOph73w3Pli+N5pNUAXNfMztM=; b=cW0QwSe7Nprh3DZjycmjlu6cFJy1t5iDmrK+J6UjNCQyRWb8q9Bh8PQcUS3iAGAD/A bQq+Na0MHleKehSSIy5DX2eud9IBVoTCS2H0k+VX5WyM2UdOI7UkSvIjSqxOQKOXgRmA yl8D/C5gZTzA4m1kbvC5uBPRPLqNuh1BiZhuOEU4bY4UmWRVmPGudR1FlM6MwVeBUyXc gAdQkqJfV3YillYlEr2NZLOhiH4kUUyNECY/cfMn7n2kHa/95pnkG4bm/H9KsOJsdctU 1ZKhqpVW5bvb9Zj5o96hvyKsCkodLB5Nyp80Rof5qeeY5i3MCVFKpS0DZUFrtj/7WB+E R6tA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u85si19691pfi.5.2018.02.13.07.12.21; Tue, 13 Feb 2018 07:12:37 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965201AbeBMPJu (ORCPT + 99 others); Tue, 13 Feb 2018 10:09:50 -0500 Received: from mga12.intel.com ([192.55.52.136]:53396 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965056AbeBMPJs (ORCPT ); Tue, 13 Feb 2018 10:09:48 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Feb 2018 07:09:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,507,1511856000"; d="scan'208";a="17391696" Received: from dbohling-mobl1.amr.corp.intel.com (HELO [10.254.111.233]) ([10.254.111.233]) by fmsmga007.fm.intel.com with ESMTP; 13 Feb 2018 07:09:45 -0800 Subject: Re: [PATCH 4.9 43/92] x86/pti: Do not enable PTI on CPUs which are not vulnerable to Meltdown To: Greg Kroah-Hartman , Nick Lowe Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, David Woodhouse , Thomas Gleixner , Borislav Petkov , Dave Hansen , gnomes@lxorguk.ukuu.org.uk, ak@linux.intel.com, ashok.raj@intel.com, karahmed@amazon.de, torvalds@linux-foundation.org, peterz@infradead.org, Borislav Petkov , pbonzini@redhat.com, tim.c.chen@linux.intel.com References: <20180209133931.211869118@linuxfoundation.org> <20180209133934.259299920@linuxfoundation.org> <20180213150007.GJ26982@kroah.com> From: Arjan van de Ven Message-ID: Date: Tue, 13 Feb 2018 07:09:44 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <20180213150007.GJ26982@kroah.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > So, any hints on what you think should be the correct fix here? the patch sure looks correct to me, it now has a nice table for CPU IDs including all of AMD (and soon hopefully the existing Intel ones that are not exposed to meltdown)