Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1752058AbeAJVLL (ORCPT <rfc822;ralf@linux-mips.org> + 1 other);
        Wed, 10 Jan 2018 16:11:11 -0500
Received: from mail.skyhub.de ([5.9.137.197]:55006 "EHLO mail.skyhub.de"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1750718AbeAJVLK (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 10 Jan 2018 16:11:10 -0500
Date: Wed, 10 Jan 2018 22:10:58 +0100
From: Borislav Petkov <bp@alien8.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        David Woodhouse <dwmw2@infradead.org>,
        Andi Kleen <andi@firstfloor.org>,
        the arch/x86 maintainers <x86@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Paul Turner <pjt@google.com>,
        Andrew Lutomirski <luto@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        Tim Chen <tim.c.chen@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linux-foundation.org>,
        Dave Hansen <dave.hansen@intel.com>,
        Jiri Kosina <jikos@kernel.org>, Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH] x86/alternatives: Fix optimize_nops() checking
Message-ID: <20180110211058.bp4ymu4quwqgw2mk@pd.tnic>
References: <CA+55aFzyVFEUKaLpqxfwh5E9QFgMjzr+wVoYGxqTHVDkGcFkOw@mail.gmail.com>
 <1515568506.22302.72.camel@infradead.org>
 <1515578735.22302.91.camel@infradead.org>
 <20180110112815.mgciyf5acwacphkq@pd.tnic>
 <CA+55aFz=yU7Q87ooyokssaFEGBx8BL+Vzs=4z+OOzvg-K5tfbA@mail.gmail.com>
 <alpine.DEB.2.20.1801102053120.1919@nanos>
 <20180110201532.5jnji6ypfl6slzvb@treble>
 <CA+55aFzMzBwtfO1e=eC6oCx9mMMXPoRko0FvKKJrriUGqyQtEg@mail.gmail.com>
 <20180110205544.k2e534nkk27lkpjc@pd.tnic>
 <CA+55aFykL6+9kJjP2J-y3D7h7s3KhASVJ_cULa12zk5o37=OsA@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <CA+55aFykL6+9kJjP2J-y3D7h7s3KhASVJ_cULa12zk5o37=OsA@mail.gmail.com>
User-Agent: NeoMutt/20170609 (1.8.3)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Return-Path: <linux-kernel-owner@vger.kernel.org>

On Wed, Jan 10, 2018 at 01:05:08PM -0800, Linus Torvalds wrote:
> Any jumps *within* the alternatives should have been handled by the
> assembler already.
> 
> And jumps between the alternatives and other places? Why do they exist?

Yap, I say so too, the alternatives handle everything just fine but then
Woodhouse appeared... :-)

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.