From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D5EDC433E0 for ; Sat, 20 Mar 2021 11:14:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2544961946 for ; Sat, 20 Mar 2021 11:14:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231228AbhCTLOF (ORCPT ); Sat, 20 Mar 2021 07:14:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:54042 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231308AbhCTLNy (ORCPT ); Sat, 20 Mar 2021 07:13:54 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 510A061A5E; Sat, 20 Mar 2021 11:04:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1616238276; bh=X9SdFkAclfqwkAS8jJ3bUUF/yF3kvCkknoYL/W6KzkE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NamoRo/+zUVafWqH1CyZzs+rlBOoZXhofkb582TD8RWq+vqN27Hh6MmhOomXMzYzO uQh38DucBlf3JOtwj00oJNQXY4GA6RmJTg/CoR5fWnSgH341bL57rb5hK+7fndVace wZgr8bt7uB31odhWocZlFWkKQsOFIt4y1Hkihyu8= Date: Sat, 20 Mar 2021 12:04:34 +0100 From: Greg KH To: Nick Desaulniers Cc: Sasha Levin , Ard Biesheuvel , clang-built-linux , Jian Cai , Russell King , "# 3.4.x" , Linus Walleij , Dmitry Osipenko , Kees Cook Subject: Re: [PATCH 5.4 2/2] ARM: 9044/1: vfp: use undef hook for VFP support detection Message-ID: References: <20210316165918.1794549-1-ndesaulniers@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Mar 19, 2021 at 01:14:12PM -0700, Nick Desaulniers wrote: > On Fri, Mar 19, 2021 at 3:06 AM Greg KH wrote: > > > > On Tue, Mar 16, 2021 at 09:59:18AM -0700, Nick Desaulniers wrote: > > > If it's preferrable to send an .mbox file or a series with cover letter, > > > I'm happy to resend it as such, just let me know. > > > > Please resend it that way, makes it easier to figure out what is going > > on here... > > Dear stable kernel maintainers, > Please consider applying the following mbox file to linux-5.4.y. It > contains 2 cherry-picks of `Fixes:` for a patch in 5.4. > > Ard reported linux-5.4.y with CONFIG_THUMB2_KERNEL=y was broken without these in > https://lore.kernel.org/stable/CAMj1kXGLrVXZPAoxTtMueB9toeoktuKza-mRpd4vZ0SLN6bSSQ@mail.gmail.com/. > > The mbox contains: > commit f77ac2e378be ("ARM: 9030/1: entry: omit FP emulation for UND > exceptions taken in kernel mode") > commit 3cce9d44321e ("ARM: 9044/1: vfp: use undef hook for VFP support > detection") > > They first landed in v5.11-rc1. The first is a fixup for: > commit eff8728fe698 ("vmlinux.lds.h: Add PGO and AutoFDO input sections") > > which exists in 5.4.90 as 87ea51c90280. > > The first has a conflict in arch/arm/vfp/vfphw.S due to missing > commit 2cbd1cc3dcd3 ("ARM: 8991/1: use VFP assembler mnemonics if available")] > in 5.4. 2cbd1cc3dcd3 causes breakage in ARCH=axm55xx_defconfig > previously reported: > https://lore.kernel.org/stable/be846d89-ab5a-f02a-c05e-1cd40acc5baa@roeck-us.net/ > and will need to be reworked if we ever do backport it. Now queued up, thanks. greg k-h