Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp589527imu; Thu, 22 Nov 2018 02:19:17 -0800 (PST) X-Google-Smtp-Source: AJdET5d1kxnsKZvnqsN8RjR2psl+4BjFAhgciPjcDv6FAdEFPyw7LIi0DT8Ip/FRuB0+LJpq+gxh X-Received: by 2002:a62:2901:: with SMTP id p1-v6mr10660769pfp.109.1542881956945; Thu, 22 Nov 2018 02:19:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1542881956; cv=none; d=google.com; s=arc-20160816; b=Ht7BbXQkXcqwZCPTrOiUJevgZir6g4zNu3+aYD+Fd+TwRLnDge+3koRC8h2thL2Omq Rv8mqndbNgI0WaZruxi+xyPPEJuPJce0b65ohwbcAU0lkpC41sZv3Anu7dp4ma0hSqRY YJqQctnY+MR54PZriP/aMue+pWkKd+L8dRb0BKOpkoSti3ibDxTjPWFjDf16aa531AC/ vJ5l9Jisj/M2PTnyi0flGe2ce683DQbw71GYYY1MejsTCp3Lwhov3JGxFLec738LqArq VqQeTY63zF1hEbz5irn+7kU82q4PKYr6a3GLKyA0c+58FpM/l9V7YOANleiCzq9YLsBH t9dw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=FHseyvF1AM9eaUAK3ibdNCFr9xhy9K87n3Gn4OUDFAo=; b=qsbYo1oAbsh25OP36SBUQypyBXsxL0zN3ygC4k/c8AUAswRnATO4TSxSNMDSF3/JnU 10bQnhnZoLVuKW0jyhH++8D0DCCj+vjdic3hiHxI8gmR+pl5XihpILA5D+fsoARQo9co 7vrfPYjlUSd+1HXe3E62rmgEPhO5x3aYtmWkmqbeyRvgBD96N55mizcOFq4wtA5LYqY3 h/dyHaRvG9OvEmfcxeaVjlqRJ9G5S2HJDo/aBQ7hRdOAjf9CDFw/3r/UV5RlIVxM5CS+ eOXs9cd3izx4Eq8rDB8ddJTk2m5fozmt90tMM+PEnAopyxRb3fNF8ASHbmeUB1sTzEu2 YO9g== 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 n18si26436763pfj.30.2018.11.22.02.18.59; Thu, 22 Nov 2018 02:19:16 -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 S2390267AbeKVJZL (ORCPT + 99 others); Thu, 22 Nov 2018 04:25:11 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:45866 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387409AbeKVJZL (ORCPT ); Thu, 22 Nov 2018 04:25:11 -0500 Received: from p4fea46ac.dip0.t-ipconnect.de ([79.234.70.172] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1gPbIX-00025E-QI; Wed, 21 Nov 2018 23:48:41 +0100 Date: Wed, 21 Nov 2018 23:48:41 +0100 (CET) From: Thomas Gleixner To: Linus Torvalds cc: Linux List Kernel Mailing , the arch/x86 maintainers , Peter Zijlstra , Andrew Lutomirski , Jiri Kosina , thomas.lendacky@amd.com, Josh Poimboeuf , Andrea Arcangeli , David Woodhouse , Andi Kleen , dave.hansen@intel.com, Casey Schaufler , "Mallick, Asit K" , "Van De Ven, Arjan" , jcm@redhat.com, longman9394@gmail.com, Greg KH , david.c.stewart@intel.com, Kees Cook , Tim Chen Subject: Re: [patch 01/24] x86/speculation: Update the TIF_SSBD comment In-Reply-To: Message-ID: References: <20181121201430.559770965@linutronix.de> <20181121201722.337599561@linutronix.de> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 21 Nov 2018, Linus Torvalds wrote: > On Wed, Nov 21, 2018 at 12:28 PM Linus Torvalds > wrote: > > > > Ugh. Now you're using the broken quilt thing that makes a mush of emails for me. > > Reading the series in alpine makes it look fine. No testing, but each > patch seems sensible. > > And yes, triggering on seccomp makes more sense than dumpable to me. That's what we ended up with SSBD as well. We had the same discussion before. Btw, I really do not like the app2app wording. I'd rather go for usr2usr, but that's kinda horrible as well. But then, all of this is horrible. Any better ideas? Thanks, tglx