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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT 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 C9BE5C43441 for ; Wed, 21 Nov 2018 22:56:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8D8992080F for ; Wed, 21 Nov 2018 22:56:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="bRwMKMQg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8D8992080F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de 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 S2390207AbeKVJdP (ORCPT ); Thu, 22 Nov 2018 04:33:15 -0500 Received: from mail.skyhub.de ([5.9.137.197]:39404 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387769AbeKVJdP (ORCPT ); Thu, 22 Nov 2018 04:33:15 -0500 Received: from zn.tnic (p200300EC2BD0AB00883B4D3E2A7F8FA4.dip0.t-ipconnect.de [IPv6:2003:ec:2bd0:ab00:883b:4d3e:2a7f:8fa4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 8FC4F1EC09F7; Wed, 21 Nov 2018 23:56:47 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1542841007; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=6sgQQwkHQj9r7eepiXiLrIPgf3DQ1+6ETv0q8Pxgjmk=; b=bRwMKMQgwPhfuRgRtjq39AZ3RatqhrFSgK0zffO5uj7YpJ5nWhg4tEVOqvk12/ZBpWGxkO jFCP5yebJJGmz9KyFEfWIhaJrGuN9DjGHr5ySQXDkZPfmRE6xlO58tCaGaK76qYBsluqn/ o72sSCNmE7piIaTDaig0sYodY2aX220= Date: Wed, 21 Nov 2018 23:56:46 +0100 From: Borislav Petkov To: Arjan van de Ven Cc: Thomas Gleixner , Linus Torvalds , 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" , 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: <20181121225646.GF27559@zn.tnic> References: <20181121201430.559770965@linutronix.de> <20181121201722.337599561@linutronix.de> <20181121225336.GE27559@zn.tnic> <9cbce8e5-bc0d-a817-04f5-57b9f8ec0f70@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <9cbce8e5-bc0d-a817-04f5-57b9f8ec0f70@linux.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) 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 02:55:20PM -0800, Arjan van de Ven wrote: > part of the problem is that "sharing" has multiple dimensions: time > and space (e.g. hyperthreading) which makes it hard to find a nice > term for it other than describing who attacks whom Shared Hardware Isolation of Tasks ? :-))) -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.