From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756220AbcJNS10 (ORCPT ); Fri, 14 Oct 2016 14:27:26 -0400 Received: from mail-vk0-f51.google.com ([209.85.213.51]:33386 "EHLO mail-vk0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752483AbcJNS1T (ORCPT ); Fri, 14 Oct 2016 14:27:19 -0400 MIME-Version: 1.0 In-Reply-To: References: From: Andy Lutomirski Date: Fri, 14 Oct 2016 11:26:52 -0700 Message-ID: Subject: Re: [PATCH 0/3] ABI CHANGE!!! Remove questionable remote SP reads To: Linus Torvalds Cc: Andy Lutomirski , X86 ML , "linux-kernel@vger.kernel.org" , Brian Gerst , Borislav Petkov , Jann Horn , Linux API , Kees Cook , Tycho Andersen Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 3, 2016 at 4:17 PM, Linus Torvalds wrote: > On Mon, Oct 3, 2016 at 4:08 PM, Andy Lutomirski wrote: >> >> Ping! >> >> We need to decide fairly soon whether to apply these (or perhaps just >> patch 1 or just patches 2 and 3) for 4.9. For any parts that aren't >> applied, I'll send quick fixups to pin the stack in the offending >> code. > > I think we should apply it. Hopefully nothing uses it, and nobody will > notice. And if somebody *does* notice, the sooner we find out, the > better. > Ingo? If we're going to make this change, I think it would be nice to do it before -rc1. If not, I want to get the alternate fix in ASAP. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Lutomirski Subject: Re: [PATCH 0/3] ABI CHANGE!!! Remove questionable remote SP reads Date: Fri, 14 Oct 2016 11:26:52 -0700 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Linus Torvalds Cc: Andy Lutomirski , X86 ML , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Brian Gerst , Borislav Petkov , Jann Horn , Linux API , Kees Cook , Tycho Andersen List-Id: linux-api@vger.kernel.org On Mon, Oct 3, 2016 at 4:17 PM, Linus Torvalds wrote: > On Mon, Oct 3, 2016 at 4:08 PM, Andy Lutomirski wrote: >> >> Ping! >> >> We need to decide fairly soon whether to apply these (or perhaps just >> patch 1 or just patches 2 and 3) for 4.9. For any parts that aren't >> applied, I'll send quick fixups to pin the stack in the offending >> code. > > I think we should apply it. Hopefully nothing uses it, and nobody will > notice. And if somebody *does* notice, the sooner we find out, the > better. > Ingo? If we're going to make this change, I think it would be nice to do it before -rc1. If not, I want to get the alternate fix in ASAP.