From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5C18C43441 for ; Wed, 21 Nov 2018 23:04:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5648B2080F for ; Wed, 21 Nov 2018 23:04:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5648B2080F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390444AbeKVJlX (ORCPT ); Thu, 22 Nov 2018 04:41:23 -0500 Received: from mx1.redhat.com ([209.132.183.28]:52590 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387744AbeKVJlX (ORCPT ); Thu, 22 Nov 2018 04:41:23 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C4EF7308FB93; Wed, 21 Nov 2018 23:04:54 +0000 (UTC) Received: from treble (ovpn-122-214.rdu2.redhat.com [10.10.122.214]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5041419C7C; Wed, 21 Nov 2018 23:04:52 +0000 (UTC) Date: Wed, 21 Nov 2018 17:04:50 -0600 From: Josh Poimboeuf To: Thomas Gleixner Cc: Linus Torvalds , Linux List Kernel Mailing , the arch/x86 maintainers , Peter Zijlstra , Andrew Lutomirski , Jiri Kosina , thomas.lendacky@amd.com, 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 Message-ID: <20181121230450.k75e4ipdag73dayz@treble> References: <20181121201430.559770965@linutronix.de> <20181121201722.337599561@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Wed, 21 Nov 2018 23:04:55 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 21, 2018 at 11:48:41PM +0100, Thomas Gleixner wrote: > 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. Why not just 'user'? Like SPECTRE_V2_USER_*. -- Josh