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=-11.6 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 EB112C433E0 for ; Tue, 11 Aug 2020 23:04:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB21020774 for ; Tue, 11 Aug 2020 23:04:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="rLTy+RRO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726469AbgHKXEy (ORCPT ); Tue, 11 Aug 2020 19:04:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726422AbgHKXEx (ORCPT ); Tue, 11 Aug 2020 19:04:53 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58968C061787 for ; Tue, 11 Aug 2020 16:04:53 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id m8so41726pfh.3 for ; Tue, 11 Aug 2020 16:04:53 -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=/jIVnC/ThBVmdAOVNCKzkgYvpkZs/3SaWOETF+/bDBw=; b=rLTy+RROVIXKYHzRZBfjIkWOti+ozBxFxi1Y8dQbExBZaxXRu+MHpQylvMEgpB9YZk 8/Dxr4NCf7tnPzgiQd1HgYSPD4gTj+Wsm4gWGJzWRwEYiaMZuUyekuXE/Tx6gX7ctGC2 +bbLBDKDcwiruY43RjcxqxAj+jnjQJQtgCY6jLXyngqEQ1JphgIj+MRK/9U/GC1B4TIX WpxLutHmu+HJcryDgWQzTr4ScFIpWrv7SilLHJm/NGRBsm3+QgZeAzr0o0T9suc/Zuwh WQdc3YsohEnPfTVoVyGG7EsWSptfc1Vi+f9xbYbg2B1IGZFeoBkAMUtWIJaz0p/MwI+9 JX5A== 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=/jIVnC/ThBVmdAOVNCKzkgYvpkZs/3SaWOETF+/bDBw=; b=L+PWotYuwWI7MgRZSgBoowk4z9K+aa24TEGmd25hvQujyEshhjQR+UXBKg612sqZ5J 7AlNABlWwp0QsYqrUdajE823w2Drb+5i5tg7cfJ7x1To+ZXziSF8AyJDTKTyhzDDMAIL l4ybuVCGVkmhpGqPQnBdEbvSWoiyBDj8mcw9Af3hNfXMgw2W7op7d8w9lMfIJ6ixdz1E djyiWjW32cNF3f3wPe6QFPjtIopHaT7Ou/uPgnopXCAdVk0NpwuV2sz36f+GNiBITkSP 3CGTrTAYm6DWZhLeHorrip1U/FZGFhxxOO/x3yYrmUD5Uie7SyNYYVd6pC0T3ajPRXr4 SiCA== X-Gm-Message-State: AOAM532aQD3VRT1zkzkV6OnTX4rsvs5u5kBDU2bO4ei0w+6JzNl+51yA ep/MUWqUBDsqyLVe+xB4iKYyJmOicB+TwEmjmsbZAw== X-Google-Smtp-Source: ABdhPJygigo4EqPc+yqir+aRi30bS1mpvV1cF5plaBFBJoaeqBve89TpMGWKhtsUTAscu1yjyEjJDFo7iN0qttT88XU= X-Received: by 2002:a62:8081:: with SMTP id j123mr8666722pfd.80.1597187092283; Tue, 11 Aug 2020 16:04:52 -0700 (PDT) MIME-Version: 1.0 References: <20200811173655.1162093-1-nivedita@alum.mit.edu> <20200811224436.GA1302731@rani.riverdale.lan> In-Reply-To: <20200811224436.GA1302731@rani.riverdale.lan> From: Nick Desaulniers Date: Tue, 11 Aug 2020 16:04:40 -0700 Message-ID: Subject: Re: [PATCH] x86/boot/compressed: Disable relocation relaxation for non-pie link To: Arvind Sankar , Thomas Gleixner , Ingo Molnar , Borislav Petkov Cc: Fangrui Song , clang-built-linux , e5ten.arch@gmail.com, "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "H. Peter Anvin" , Masahiro Yamada , Ard Biesheuvel , Kees Cook , LKML , "# 3.4.x" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 11, 2020 at 3:44 PM Arvind Sankar wrote: > > On Tue, Aug 11, 2020 at 10:58:40AM -0700, Nick Desaulniers wrote: > > > Cc: stable@vger.kernel.org # 4.19.x > > > > Thanks Arvind, good write up. Just curious about this stable tag, how > > come you picked 4.19? I can see boot failures in our CI for x86+LLD > > back to 4.9. Can we amend that tag to use `# 4.9`? I'd be happy to > > help submit backports should they fail to apply cleanly. > > https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/builds/179237488 > > > > 4.19 renamed LDFLAGS to KBUILD_LDFLAGS. For 4.4, 4.9 and 4.14 the patch > needs to be modified, KBUILD_LDFLAGS -> LDFLAGS, so I figured we should > submit backports separately. For 4.19 onwards, it should apply without > changes I think. Cool, sounds good. I'll keep an eye out for when stable goes to pick this up. tglx, Ingo, BP, can we pretty please get this in tip/urgent for inclusion into 5.9? -- Thanks, ~Nick Desaulniers