From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753273AbcHOPJq (ORCPT <rfc822;w@1wt.eu>);
	Mon, 15 Aug 2016 11:09:46 -0400
Received: from mx1.redhat.com ([209.132.183.28]:50550 "EHLO mx1.redhat.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1752812AbcHOPJo (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Mon, 15 Aug 2016 11:09:44 -0400
Date: Mon, 15 Aug 2016 10:09:41 -0500
From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org>,
        "H . Peter Anvin" <hpa@zytor.com>, X86 ML <x86@kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Steven Rostedt <rostedt@goodmis.org>, Brian Gerst <brgerst@gmail.com>,
        Kees Cook <keescook@chromium.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Byungchul Park <byungchul.park@lge.com>,
        Nilay Vaish <nilayvaish@gmail.com>
Subject: Re: [PATCH v3 16/51] x86/32: put real return address on stack in
 entry code
Message-ID: <20160815150941.nilwkrkszj5mm5ka@treble>
References: <cover.1471011425.git.jpoimboe@redhat.com>
 <34b62822bb153955ed4ec1ab2e19ea482361c16c.1471011425.git.jpoimboe@redhat.com>
 <CALCETrU8m-tAj52gidFjxZTeTHQoqXHNa0ERDnXDUn92tQ35xw@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <CALCETrU8m-tAj52gidFjxZTeTHQoqXHNa0ERDnXDUn92tQ35xw@mail.gmail.com>
User-Agent: Mutt/1.6.0.1 (2016-04-01)
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Mon, 15 Aug 2016 15:09:43 +0000 (UTC)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Sun, Aug 14, 2016 at 12:31:47AM -0700, Andy Lutomirski wrote:
> On Fri, Aug 12, 2016 at 7:28 AM, Josh Poimboeuf <jpoimboe@redhat.com> wrote:
> > This standardizes the stacks of idle tasks to be consistent with other
> > tasks on 32-bit.
> 
> It might be nice to stick a ud2 or 1: hlt; jmp 1b or similar
> afterwards to make it clear that initial_code can't return.

Yeah, I'll do something like that.

-- 
Josh