Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964963AbeAJNK0 (ORCPT + 1 other); Wed, 10 Jan 2018 08:10:26 -0500 Received: from mx2.suse.de ([195.135.220.15]:36904 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751284AbeAJNKO (ORCPT ); Wed, 10 Jan 2018 08:10:14 -0500 Date: Wed, 10 Jan 2018 14:10:10 +0100 (CET) From: Jiri Kosina To: Andrea Arcangeli cc: David Woodhouse , Peter Zijlstra , Dave Hansen , Thomas Gleixner , LKML , Linus Torvalds , x86@kernel.org, Borislav Petkov , Tim Chen , Andi Kleen , Greg KH , Andy Lutomirski , Arjan Van De Ven Subject: Re: [patch RFC 5/5] x86/speculation: Add basic speculation control code In-Reply-To: <20180110125710.GH9706@redhat.com> Message-ID: References: <20180110092234.GY29822@worktop.programming.kicks-ass.net> <1515576479.22302.81.camel@infradead.org> <20180110115419.GA9706@redhat.com> <1515585534.22302.122.camel@infradead.org> <20180110120158.GB9706@redhat.com> <1515586174.22302.126.camel@infradead.org> <20180110121755.GD9706@redhat.com> <1515587384.22302.132.camel@infradead.org> <20180110124119.GG9706@redhat.com> <20180110125710.GH9706@redhat.com> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On Wed, 10 Jan 2018, Andrea Arcangeli wrote: > Which in current silicon IBP speculation is turned off always, So this is clearly the source of confusion. If that's the case, what you are saying makes sense. Where is this information coming from? It definitely is not in the Intel documentation I've seen. Thanks, -- Jiri Kosina SUSE Labs