From patchwork Mon Jan 4 12:20:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Lobakin X-Patchwork-Id: 356788 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=unavailable 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 E6073C4332B for ; Mon, 4 Jan 2021 12:21:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B618520757 for ; Mon, 4 Jan 2021 12:21:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726628AbhADMVk (ORCPT ); Mon, 4 Jan 2021 07:21:40 -0500 Received: from mail-40131.protonmail.ch ([185.70.40.131]:56319 "EHLO mail-40131.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726380AbhADMVk (ORCPT ); Mon, 4 Jan 2021 07:21:40 -0500 Date: Mon, 04 Jan 2021 12:20:47 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pm.me; s=protonmail; t=1609762858; bh=qSKUMkjU5GlKT1yGdK7US3YKLfx4lwIL2x207qkS1m4=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=ZRS6F78XW6uvtedI4xk4g1iJ+rUb3117NOO/m3AJHy/9CxFxWNLx5gdwDKjyFWgI5 MFCi/uk6pbz7c2TcxFopT9A4g2JobpjzcC2aHktcVT7/lV8qrhCNB5XI4IGqNdWMck X7nrz2ykcuQVR9gS8Uu1aUkShicCzBrDuFX3v7Mv3FKPnkYMd9ns5pxJOI2kRzYpbx yaiwJj1m8b5yPTNVQAKiS8ZP13dBr5DHEqmrJFm6ypmI1rnHjsK/LrsGH+5v0EMaHz O9v36XKIZmmD50PRH6fW4L1Y6JSdTIupjuazO0kN8AQepMLj+97mbm703b1mVIODO5 kLVSIkBU9OQMQ== To: Thomas Bogendoerfer From: Alexander Lobakin Cc: Alexander Lobakin , Kees Cook , Ingo Molnar , Fangrui Song , Jiaxun Yang , Ralf Baechle , Alex Smith , Markos Chandras , linux-mips@vger.kernel.org, stable@vger.kernel.org, linux-kernel@vger.kernel.org Reply-To: Alexander Lobakin Subject: [PATCH mips-next 2/4] MIPS: vmlinux.lds.S: add ".rel.dyn" to DISCARDS Message-ID: <20210104122016.47308-2-alobakin@pm.me> In-Reply-To: <20210104122016.47308-1-alobakin@pm.me> References: <20210104121729.46981-1-alobakin@pm.me> <20210104122016.47308-1-alobakin@pm.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org GCC somehow manages to place some of the symbols from main.c into .rel.dyn section: mips-alpine-linux-musl-ld: warning: orphan section `.rel.dyn' from `init/main.o' being placed in section `.rel.dyn' I couldn't catch up the exact symbol, but seems like it's harmless to discard it from the final vmlinux as kernel doesn't use or support dynamic relocations. Misc: sort DISCARDS section entries alphabetically. Signed-off-by: Alexander Lobakin --- arch/mips/kernel/vmlinux.lds.S | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 83e27a181206..1c3c2e903062 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -221,9 +221,10 @@ SECTIONS /* ABI crap starts here */ *(.MIPS.abiflags) *(.MIPS.options) + *(.eh_frame) *(.options) *(.pdr) *(.reginfo) - *(.eh_frame) + *(.rel.dyn) } } From patchwork Mon Jan 4 12:20:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Lobakin X-Patchwork-Id: 356787 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=unavailable 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 32C52C433DB for ; Mon, 4 Jan 2021 12:22:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D34C92225E for ; Mon, 4 Jan 2021 12:22:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726029AbhADMWY (ORCPT ); Mon, 4 Jan 2021 07:22:24 -0500 Received: from mail-03.mail-europe.com ([91.134.188.129]:56026 "EHLO mail-03.mail-europe.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725840AbhADMWX (ORCPT ); Mon, 4 Jan 2021 07:22:23 -0500 Date: Mon, 04 Jan 2021 12:20:52 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pm.me; s=protonmail; t=1609762853; bh=SIcv4XaKrE3sjxZfC8U6t0751adTjmCuETpzD6NuSCs=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=bPMmaBiAOhYlDJK/WP/HejMz608GEwc4rUQd3zhL6wzuyuY7BGoviLNtY/TRG/QQj 1Lnm8VO6jaYUmvQ5BukLRA3Vgto2s225dVo/Fl/MiYpv5SLQCn0KFpJPOFuk2Pnk5K VHt/G6EpflXQo3uLKWn3FCgetsywnCUs43v4X7Nn/cbODlUwyFk/TAHUrTZxClz21S S9GzydYwIHrYfY79v/ECshGODjFcK034OAOPbp09euD4AEW09WryoI8RAecgCpNY6T 77E4PkMd3S41J9sz9k02re5tp/UwsYms57WlZOn0V11NIDhmlSiqfTTLMu61PBFs49 L+kNdYA80BOZA== To: Thomas Bogendoerfer From: Alexander Lobakin Cc: Alexander Lobakin , Kees Cook , Ingo Molnar , Fangrui Song , Jiaxun Yang , Ralf Baechle , Alex Smith , Markos Chandras , linux-mips@vger.kernel.org, stable@vger.kernel.org, linux-kernel@vger.kernel.org Reply-To: Alexander Lobakin Subject: [PATCH mips-next 3/4] MIPS: vmlinux.lds.S: add ".gnu.attributes" to DISCARDS Message-ID: <20210104122016.47308-3-alobakin@pm.me> In-Reply-To: <20210104122016.47308-1-alobakin@pm.me> References: <20210104121729.46981-1-alobakin@pm.me> <20210104122016.47308-1-alobakin@pm.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Discard GNU attributes at link time as kernel doesn't use it at all. Solves a dozen of the following ld warnings (one per every file): mips-alpine-linux-musl-ld: warning: orphan section `.gnu.attributes' from `arch/mips/kernel/head.o' being placed in section `.gnu.attributes' mips-alpine-linux-musl-ld: warning: orphan section `.gnu.attributes' from `init/main.o' being placed in section `.gnu.attributes' Signed-off-by: Alexander Lobakin --- arch/mips/kernel/vmlinux.lds.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 1c3c2e903062..8ac95269124a 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -222,6 +222,7 @@ SECTIONS *(.MIPS.abiflags) *(.MIPS.options) *(.eh_frame) + *(.gnu.attributes) *(.options) *(.pdr) *(.reginfo)