From nobody Sun Apr 12 02:49:33 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7934C00144 for ; Mon, 1 Aug 2022 19:17:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232582AbiHATRc (ORCPT ); Mon, 1 Aug 2022 15:17:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231368AbiHATRa (ORCPT ); Mon, 1 Aug 2022 15:17:30 -0400 Received: from mail-qt1-x829.google.com (mail-qt1-x829.google.com [IPv6:2607:f8b0:4864:20::829]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DAE4F26A for ; Mon, 1 Aug 2022 12:17:29 -0700 (PDT) Received: by mail-qt1-x829.google.com with SMTP id b21so8792474qte.12 for ; Mon, 01 Aug 2022 12:17:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hefring-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=vQbImrOTohSjwdlYWLYCRrxFO8BX6edWmfF8b90Jrqo=; b=nbl59JoF+5LUqsMbv4v1ow5n4j8+noIEjvryDuQMib6rlyePea1pQa+TD3gE7WBUrq iFgvrfx4M9H7fmiwPoY9lTEOrlwnMVjpCDB9Jnbo1Kr6DN/pIf7SY42LPKtbRqcQmvjf t3AMypZ94M2b8mDj3iaoUxu15W61eZNT9ZbTX9RqnBACH6ROew9sF/CCvS7BtfdohbsS i7rhg0wWdxzn5ct9JnpGV+RCOFhz7Cqzdr5AM7FG2M3v13RXyjLFv1Hg5JwZB23OfqsG ax0/u1fCOHpyOI6b/ELIDF5edp5ocz1yuFRLCvrz43wofFZ6e6vTtnKNa6D8Db/XU7Ov mAOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=vQbImrOTohSjwdlYWLYCRrxFO8BX6edWmfF8b90Jrqo=; b=uSGcmL72An90IpX4WgmFbVnJL2KA4i3euoO+Sp5u61XVzjJD+/JzalPZJ2B85lUKKC KAUfHg2LH8ZxXXG8rbGimySO+BWKdxjF6MWOYSMF1gsc3Jp0zNoa9eRlJKycnGEm5wIL M0JTDrlcvR457uVwQTvLuqDOMgIo53sHbWlL+JLXbZAZicZJfU+tykJFc+HKMdeuki/t 64plp9Z50RmVBGJxOWrrfndu6NfSPTiLIo8CGl/ss5vuS4upDc4285QlcJRaGV0Z537S fntP30r4q7ggao/rduX4y0VqhwVWtmgb9/Z62MIjL+MppiZgbpdIJVLoqIdjSYcxWcrM coBQ== X-Gm-Message-State: AJIora+VhEhTrrLb3sAsNBg2AE/1RvdMJa78lxnd6xZqVYOMapcxKL7n T9Ewib3LYoxs9UGgFito8YA8GRfvYfT6Ag== X-Google-Smtp-Source: AGRyM1u3p8zFpfzDLya5qV6Ek1G8RW5f8/EVk1av/NZP/wrjKgVMMgBCaOZd0ayQOQ7JAAmNMsP5mw== X-Received: by 2002:a05:622a:409:b0:31e:e679:bb0a with SMTP id n9-20020a05622a040900b0031ee679bb0amr15151545qtx.45.1659381448664; Mon, 01 Aug 2022 12:17:28 -0700 (PDT) Received: from hefring.. ([50.212.55.89]) by smtp.gmail.com with ESMTPSA id h13-20020a05620a284d00b006af59e9ddeasm8895472qkp.18.2022.08.01.12.17.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Aug 2022 12:17:28 -0700 (PDT) From: Ben Wolsieffer X-Google-Original-From: Ben Wolsieffer Cc: Ben Wolsieffer , Russell King , Arnd Bergmann , Ard Biesheuvel , Masahiro Yamada , "Russell King (Oracle)" , Linus Walleij , Nick Hawkins , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] ARM: disable FDPIC ABI Date: Mon, 1 Aug 2022 15:17:20 -0400 Message-Id: <20220801191721.1253291-1-Ben.Wolsieffer@hefring.com> X-Mailer: git-send-email 2.37.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" When building with an arm-*-uclinuxfdpiceabi toolchain, the FDPIC ABI is enabled by default but should not be used to build the kernel. Therefore, pass -mno-fdpic if supported by the compiler. Signed-off-by: Ben Wolsieffer Reviewed-by: Vladimir Murzin Tested-by: Vladimir Murzin --- arch/arm/Makefile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index c8e3633f5434..88be49b71d40 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -22,6 +22,9 @@ GZFLAGS :=3D-9 # Never generate .eh_frame KBUILD_CFLAGS +=3D $(call cc-option,-fno-dwarf2-cfi-asm) =20 +# Disable FDPIC ABI +KBUILD_CFLAGS +=3D $(call cc-option,-mno-fdpic) + # This should work on most of the modern platforms KBUILD_DEFCONFIG :=3D multi_v7_defconfig =20 --=20 2.37.0