From patchwork Mon Aug 1 09:39:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 12933635 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 D3D22C19F29 for ; Mon, 1 Aug 2022 09:42:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230208AbiHAJmA (ORCPT ); Mon, 1 Aug 2022 05:42:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230143AbiHAJl6 (ORCPT ); Mon, 1 Aug 2022 05:41:58 -0400 Received: from conuserg-10.nifty.com (conuserg-10.nifty.com [210.131.2.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AF1637190; Mon, 1 Aug 2022 02:41:57 -0700 (PDT) Received: from grover.sesame ([133.106.54.139]) (authenticated) by conuserg-10.nifty.com with ESMTP id 2719ejxw028043; Mon, 1 Aug 2022 18:40:48 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-10.nifty.com 2719ejxw028043 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1659346848; bh=sokvB66jq6RlLMRXgxzMH4QnY0MotEdE/iLkg2kNMeo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hn+g+asXygjYkm9rmiczoNmzPNMu0vdT94Re/FMw5TNsTeJDHhRBJSfs7TX6QbLKE PIaqdZOo5R0rTRK3rGO64MslrBxXACsEI1WWAlTZc6SzymIYWaz1gbcZSkJHHIT7Wb B8VkUBPF9YuKRKv2a+AffY5HVFtrtuRw5Au9N2XP+6LrUddVVK6CnnPGp47owpZQuG lv5Tvm21D6vzgLBBFe0cm7fBq+byG3SV8TtRtNgHbcbEfpSnjSENPsKfl5RV8VyWhM kg7S7VxPW/ODLKB34yOThycf2V14R6E8+DXpo7Ngb85daC7390i+WW3XEnTI/7RK+J qLe2+LdWFapvQ== X-Nifty-SrcIP: [133.106.54.139] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Masahiro Yamada , Michal Marek , Nick Desaulniers , linux-kernel@vger.kernel.org Subject: [PATCH 3/4] modpost: remove unneeded .symbol_white_list initializers Date: Mon, 1 Aug 2022 18:39:01 +0900 Message-Id: <20220801093902.1506297-3-masahiroy@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220801093902.1506297-1-masahiroy@kernel.org> References: <20220801093902.1506297-1-masahiroy@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org The ->symbol_white_list field is referenced in secref_whitelist(), only when 'fromsec' is data_sections. /* Check for pattern 2 */ if (match(tosec, init_exit_sections) && match(fromsec, data_sections) && match(fromsym, mismatch->symbol_white_list)) return 0; If .fromsec is not data sections, the .symbol_white_list member is not used by anyone. Signed-off-by: Masahiro Yamada --- scripts/mod/modpost.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index c2949a1a0d5e..bcd1319f3097 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -930,7 +930,6 @@ static const struct sectioncheck sectioncheck[] = { .fromsec = { TEXT_SECTIONS, NULL }, .bad_tosec = { ALL_INIT_SECTIONS, NULL }, .mismatch = TEXT_TO_ANY_INIT, - .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, }, { .fromsec = { DATA_SECTIONS, NULL }, @@ -951,7 +950,6 @@ static const struct sectioncheck sectioncheck[] = { .fromsec = { TEXT_SECTIONS, NULL }, .bad_tosec = { ALL_EXIT_SECTIONS, NULL }, .mismatch = TEXT_TO_ANY_EXIT, - .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, }, { .fromsec = { DATA_SECTIONS, NULL }, @@ -964,41 +962,35 @@ static const struct sectioncheck sectioncheck[] = { .fromsec = { ALL_XXXINIT_SECTIONS, NULL }, .bad_tosec = { INIT_SECTIONS, NULL }, .mismatch = XXXINIT_TO_SOME_INIT, - .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, }, /* Do not reference exit code/data from memexit code/data */ { .fromsec = { ALL_XXXEXIT_SECTIONS, NULL }, .bad_tosec = { EXIT_SECTIONS, NULL }, .mismatch = XXXEXIT_TO_SOME_EXIT, - .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, }, /* Do not use exit code/data from init code */ { .fromsec = { ALL_INIT_SECTIONS, NULL }, .bad_tosec = { ALL_EXIT_SECTIONS, NULL }, .mismatch = ANY_INIT_TO_ANY_EXIT, - .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, }, /* Do not use init code/data from exit code */ { .fromsec = { ALL_EXIT_SECTIONS, NULL }, .bad_tosec = { ALL_INIT_SECTIONS, NULL }, .mismatch = ANY_EXIT_TO_ANY_INIT, - .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, }, { .fromsec = { ALL_PCI_INIT_SECTIONS, NULL }, .bad_tosec = { INIT_SECTIONS, NULL }, .mismatch = ANY_INIT_TO_ANY_EXIT, - .symbol_white_list = { NULL }, }, /* Do not export init/exit functions or data */ { .fromsec = { "___ksymtab*", NULL }, .bad_tosec = { INIT_SECTIONS, EXIT_SECTIONS, NULL }, .mismatch = EXPORT_TO_INIT_EXIT, - .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, }, { .fromsec = { "__ex_table", NULL },