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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 C1836C433C1 for ; Fri, 19 Mar 2021 20:15:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8791161976 for ; Fri, 19 Mar 2021 20:15:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229956AbhCSUOx (ORCPT ); Fri, 19 Mar 2021 16:14:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229990AbhCSUO0 (ORCPT ); Fri, 19 Mar 2021 16:14:26 -0400 Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0AC71C06175F for ; Fri, 19 Mar 2021 13:14:26 -0700 (PDT) Received: by mail-lf1-x12c.google.com with SMTP id f3so3514352lfu.5 for ; Fri, 19 Mar 2021 13:14:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=RvOjgqwWW3clzClIdavb3LBjtoVdf90BUwhd8/w3So8=; b=bLwwMsWK7Oy34/ZuUpNl27nb8Vba7nonifWoyaX2eLo3+tDA3IdYIHWdPwTEfxtTsh 2hyBcvTdKnzj6rKuzUAcweOEuJjkhH95W1wH3jynjTzS1ga+Cyoang575bfxLj0qiyY0 Zza+fZTSM1EoqMBBC45S+TOrqJU+XMncq5CIuS+o9SPqeunr2BNtVBWtIN83eBNOFkhv pZFMUyDxc4FuvnTYZC8tvtXrRgbXRmuaByHBnhsmAHF1iUVz8NH44869pQuFZLUi42t7 lr3RrBPOq3gVVbweoVHYKxhzMU7Cc0X8OyiOHRy9qLiHEOwhN72hvqxc1v6tax0l/wZZ L0iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=RvOjgqwWW3clzClIdavb3LBjtoVdf90BUwhd8/w3So8=; b=NMbHovALavUSSvdC+AxT+j0HuNkVQV/KX3mTSWaMMPD4di+uE4Qh7dYM3iedcFODbi UOpiLqiyjelK7xq+S4HkUGo0C0007WkvjXOJIT/n8flWYeu9VuohUdn6atwohvzDbq+Q DKwfsYT/2a/GNo1wbEoBpieuJVouMwzfqX6bSX1+Ocq9p8N04Rq1L/9GUH0h8xDDhKBf naNAjORJYEQAoP7mpBrM8d7DVylOLx6Ncooni5aAqs/EhhZ0PmBEN1KEwRhi7wO74iab AnGw/j0S+wVSul9o4oumSPn67XcthaE/ZryirDBu4PGFYOapyHTd5vQXq3lekvpIeDFT AxRw== X-Gm-Message-State: AOAM530xIDbmMQ52j79I+EVO1Qbn9CthgMxM/LFPd8hXw7OoYEmDcET8 5ok11mCk7MI5dauaW3QdCzYM5dmgV5lyiFaVacIjgQ== X-Google-Smtp-Source: ABdhPJy1z9Hqv/LpxXtCvOUObnG7pluftTLYrXrb6O1cb4j9+HD5lvazitV4Fc80R/7isTt5kf9I+Ye/rkc0tyCIIwg= X-Received: by 2002:a05:6512:985:: with SMTP id w5mr1740133lft.122.1616184864202; Fri, 19 Mar 2021 13:14:24 -0700 (PDT) MIME-Version: 1.0 References: <20210316165918.1794549-1-ndesaulniers@google.com> In-Reply-To: From: Nick Desaulniers Date: Fri, 19 Mar 2021 13:14:12 -0700 Message-ID: Subject: Re: [PATCH 5.4 2/2] ARM: 9044/1: vfp: use undef hook for VFP support detection To: Greg KH , Sasha Levin Cc: Ard Biesheuvel , clang-built-linux , Jian Cai , Russell King , "# 3.4.x" , Linus Walleij , Dmitry Osipenko , Kees Cook Content-Type: multipart/mixed; boundary="000000000000b9bace05bde95c8a" Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org --000000000000b9bace05bde95c8a Content-Type: text/plain; charset="UTF-8" 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. -- Thanks, ~Nick Desaulniers --000000000000b9bace05bde95c8a Content-Type: application/octet-stream; name="5.4.f77ac2e378be.3cce9d44321e.mbox" Content-Disposition: attachment; filename="5.4.f77ac2e378be.3cce9d44321e.mbox" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_kmgqo4gl0 RnJvbSA1N2UwMGQ3YjU3NjQ2MDkwMGI4N2U5OWMxMTc1MjFhMTUwY2VjMzM4IE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBBcmQgQmllc2hldXZlbCA8YXJkYkBrZXJuZWwub3JnPgpEYXRl OiBNb24sIDE1IE1hciAyMDIxIDE2OjE5OjUyIC0wNzAwClN1YmplY3Q6IFtQQVRDSCAxLzJdIEFS TTogOTAzMC8xOiBlbnRyeTogb21pdCBGUCBlbXVsYXRpb24gZm9yIFVORCBleGNlcHRpb25zCiB0 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