Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751502AbeADABE (ORCPT + 1 other); Wed, 3 Jan 2018 19:01:04 -0500 Received: from www.llwyncelyn.cymru ([82.70.14.225]:41970 "EHLO fuzix.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751014AbeADABD (ORCPT ); Wed, 3 Jan 2018 19:01:03 -0500 Date: Thu, 4 Jan 2018 00:00:36 +0000 From: Alan Cox To: Linus Torvalds Cc: Andi Kleen , tglx@linuxtronix.de, Greg Kroah-Hartman , dwmw@amazon.co.uk, Tim Chen , Linux Kernel Mailing List , Dave Hansen Subject: Re: Avoid speculative indirect calls in kernel Message-ID: <20180104000036.4de9ae7e@alans-desktop> In-Reply-To: References: <20180103230934.15788-1-andi@firstfloor.org> Organization: Intel Corporation X-Mailer: Claws Mail 3.15.1-dirty (GTK+ 2.24.31; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: > - these workarounds should have a way to disable them. > > Which of the two is it? The latter clearly - because there are processors today that don't have those problems because they are sufficiently dumb. As for future products - you know perfectly well that none of the vendors can answer that here because of the US laws on public companies and forward looking statements. Alan