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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 40DD5C433E0 for ; Thu, 25 Feb 2021 14:36:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0FB2964EB7 for ; Thu, 25 Feb 2021 14:36:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232495AbhBYOfy (ORCPT ); Thu, 25 Feb 2021 09:35:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:56822 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231974AbhBYOfm (ORCPT ); Thu, 25 Feb 2021 09:35:42 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id E6E8564F16; Thu, 25 Feb 2021 14:34:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614263701; bh=8T6cWgIA4YyFKiNd9Yq9e/r3lAf6Xfx2G/lG7LEhHQ8=; h=From:To:Cc:Subject:Date:From; b=NclfhjdxXtVuc6EEyuQ5aqrGgPnQ0KFTT9qH2P8GlKceFZFU4VZ209mCEVFhE/ivB bBu69LiB6JywavncY0A7J9p4zH/anabPeU2HGUmCerRCDTjxbhvH60p8u0eLHRSely 6oRgL8m900uCaOQp45PjbaP9HnzRDX4j/WcKQXL3AWtNF7Ma4tLHdU5HuwazOJEAyO KON0q0IPabGe21w9ZbdWfto8d6bbKLsrkmGcOITLGwOzENB6RZu5MHgK3WDudfDokf EyJpjX3qfIdVzsVxW5qeOnkCpR6yxbA8aL0LowYb3DuO6fXaPvaeb0x9NRx6pVpMZj 2cgRUxc9ATjNg== From: Arnd Bergmann To: Kees Cook , Sami Tolvanen Cc: Arnd Bergmann , linux-kernel@vger.kernel.org Subject: [PATCH] kbuild: lto: add _mcount to list of used symbols Date: Thu, 25 Feb 2021 15:34:49 +0100 Message-Id: <20210225143456.3829513-1-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnd Bergmann Some randconfig builds fail with undefined references to _mcount when CONFIG_TRIM_UNUSED_KSYMS is set: ERROR: modpost: "_mcount" [drivers/tee/optee/optee.ko] undefined! ERROR: modpost: "_mcount" [drivers/fsi/fsi-occ.ko] undefined! ERROR: modpost: "_mcount" [drivers/fpga/dfl-pci.ko] undefined! Since there is already a list of symbols that get generated at link time, add this one as well. Fixes: fbe078d397b4 ("kbuild: lto: add a default list of used symbols") Signed-off-by: Arnd Bergmann --- scripts/lto-used-symbollist.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/scripts/lto-used-symbollist.txt b/scripts/lto-used-symbollist.txt index 38e7bb9ebaae..406ada65e926 100644 --- a/scripts/lto-used-symbollist.txt +++ b/scripts/lto-used-symbollist.txt @@ -1,5 +1,6 @@ memcpy memmove memset +_mcount __stack_chk_fail __stack_chk_guard -- 2.29.2