Received: by 10.223.176.46 with SMTP id f43csp2067132wra; Thu, 25 Jan 2018 04:28:35 -0800 (PST) X-Google-Smtp-Source: AH8x226IIiPlUmxdznIDFKfmmLxZ80Y2jKmWwf06M0LiVYbycJDk6gp7J8PwaDsLVnLUrN86Bo+0 X-Received: by 10.99.138.75 with SMTP id y72mr13002283pgd.90.1516883315538; Thu, 25 Jan 2018 04:28:35 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1516883315; cv=none; d=google.com; s=arc-20160816; b=R5//cImKvaWRDfVHFbo+/BdFTMNmt6z9NaCKvp77iM47kmBbOOQ83DFjr4CO5+EKWo qR6qhmRSommEE/5P3kZ0l6jk7hIjyTtdzxGE9aq9RRoNNt0NnkqJwe260Cq3USYSbs+8 viSz/p31hoN/3PXZzcjPnd0V1HO/HECxlgYxQ8WEG1uDkyQgsi71kXnaYf+3IkPDrz+U NMRUoAByEEK2xcXCiXuYngy9QGRnqSDVmHA1rwMP2F1DGCLKr2ZZLhan+mJYx57hPU6E tN5W0TdblvoamBD7sjhz0gUMcu4ICOK6MqqCCSX8A4cXzq4q2nKsHUBjYtS6SYnAAt2b t4IA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=Zo2zlmarhzePwKm64TKs2CUNBOvuTszuktnbQOwqEzg=; b=pgCCPgNfVewObHwqoWjhVH65MoCS73FqxwNto7xmAhJqK6HSOcnGXR1m6FaINeKsoR dZCQ0LA8audjWd5HoTzYnVfSXXKcFnEFcJ1UUX1ywPasz+fAheAc77aUkp/pPPSVDDmM 10q94or7mAwNK+a6SEUN6jhV34dVpuHWvFRmnsHMim3pqFK5iTjI24pXw4FOx6BKWqeF Kj4HZ2ZpoCQOEkHG34E5y8RyE1NpzvtuOXhKQUTn60KdjZ2tWMPeXW+8q1GnUyK0JR5w TJxAMsr+D8znAbW+ylGjsBn6AnG34zim/Wnf3iVMQ0Fcoq40+LaAcyOTUeeRrRiHtkjq FECA== 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 g6si1499567pgq.186.2018.01.25.04.28.17; Thu, 25 Jan 2018 04:28:35 -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 S1751914AbeAYMD7 (ORCPT + 99 others); Thu, 25 Jan 2018 07:03:59 -0500 Received: from mail.skyhub.de ([5.9.137.197]:38228 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751796AbeAYMD6 (ORCPT ); Thu, 25 Jan 2018 07:03:58 -0500 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id k33D-zi7QMlB; Thu, 25 Jan 2018 13:03:57 +0100 (CET) Received: from pd.tnic (p200300EC2BD0EE0024194793E6CFFC7A.dip0.t-ipconnect.de [IPv6:2003:ec:2bd0:ee00:2419:4793:e6cf:fc7a]) (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 0CFED1EC02BE; Thu, 25 Jan 2018 13:03:57 +0100 (CET) Date: Thu, 25 Jan 2018 13:03:48 +0100 From: Borislav Petkov To: David Woodhouse Cc: arjan@linux.intel.com, tglx@linutronix.de, karahmed@amazon.de, x86@kernel.org, linux-kernel@vger.kernel.org, tim.c.chen@linux.intel.com, peterz@infradead.org, pbonzini@redhat.com, ak@linux.intel.com, torvalds@linux-foundation.org, gregkh@linux-foundation.org, dave.hansen@intel.com, gnomes@lxorguk.ukuu.org.uk, ashok.raj@intel.com, mingo@kernel.org Subject: Re: [PATCH v4 7/7] x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) support Message-ID: <20180125120348.ss62p5yaviemprxn@pd.tnic> References: <1516872189-16577-1-git-send-email-dwmw@amazon.co.uk> <1516872189-16577-8-git-send-email-dwmw@amazon.co.uk> <20180125114127.5iw4vy56bb2cs5mr@pd.tnic> <1516880855.30244.78.camel@infradead.org> <20180125115016.ov72ajqb6z7scdrc@pd.tnic> <1516881500.30244.83.camel@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1516881500.30244.83.camel@infradead.org> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 25, 2018 at 11:58:20AM +0000, David Woodhouse wrote: > They're immediates, not registers. So it's like the first example in... Oh, I know very well what they are - I simply find the macro more readable if there are less or no arguments. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.