From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752680AbeA3Dnc (ORCPT ); Mon, 29 Jan 2018 22:43:32 -0500 Received: from mx1.redhat.com ([209.132.183.28]:43136 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752186AbeA3Dnb (ORCPT ); Mon, 29 Jan 2018 22:43:31 -0500 Date: Mon, 29 Jan 2018 21:43:29 -0600 From: Josh Poimboeuf To: David Woodhouse Cc: Martin Steigerwald , Linus Torvalds , Linux Kernel Mailing List Subject: Re: Requirements for retpoline in Linux 4.15 (was: Re: Linux 4.15) Message-ID: <20180130034329.xulxk44ex2bxw7ob@treble> References: <1517219630.6624.120.camel@infradead.org> <5326624.8I3Ve3uUFt@merkaba> <5520835.tArHHOCcxE@merkaba> <1517225725.6624.136.camel@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1517225725.6624.136.camel@infradead.org> User-Agent: Mutt/1.6.0.1 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 29, 2018 at 11:35:25AM +0000, David Woodhouse wrote: > If they have explicit asm which has indirect jumps, that would still be > a problem. We just need to port objtool into the kernel and do it at > module load time, to check for that... :) Darnit, you sniffed out my April Fool's plan. -- Josh