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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 55A7AC7EE22 for ; Mon, 8 May 2023 10:10:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234173AbjEHKKp (ORCPT ); Mon, 8 May 2023 06:10:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233987AbjEHKKo (ORCPT ); Mon, 8 May 2023 06:10:44 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DB0337E72 for ; Mon, 8 May 2023 03:10:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D940D623CB for ; Mon, 8 May 2023 10:10:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6C57C433EF; Mon, 8 May 2023 10:10:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1683540642; bh=hXxckBAJIecgGOPc95NahdX2/DBauq8LCEMKqoGO1Eg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HEHuPGFQpRQ5veLQjQvDJyBE70bQDmDdNYj1nDf3oh6lEelUr16MOiSDjiwXXMLGZ QSR+cRBI8U0NJc1eg+EmA6zzLwaCE1iR0XoUvKSse1M9FhZlMvciQGvTiO9yDKIErg JHW69iP2FaG08bEdx+5mr4am3IQE19VjMR3nztxI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Florian Fainelli , Antonio Borneo , Jan Kiszka , John Ogness , Kieran Bingham , Petr Mladek , Andrew Morton , Sasha Levin Subject: [PATCH 6.1 442/611] scripts/gdb: raise error with reduced debugging information Date: Mon, 8 May 2023 11:44:44 +0200 Message-Id: <20230508094436.522734850@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230508094421.513073170@linuxfoundation.org> References: <20230508094421.513073170@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Florian Fainelli [ Upstream commit 8af055ae25bff48f57227f5e3d48a4306f3dd1c4 ] If CONFIG_DEBUG_INFO_REDUCED is enabled in the kernel configuration, we will typically not be able to load vmlinux-gdb.py and will fail with: Traceback (most recent call last): File "/home/fainelli/work/buildroot/output/arm64/build/linux-custom/vmlinux-gdb.py", line 25, in import linux.utils File "/home/fainelli/work/buildroot/output/arm64/build/linux-custom/scripts/gdb/linux/utils.py", line 131, in atomic_long_counter_offset = atomic_long_type.get_type()['counter'].bitpos KeyError: 'counter' Rather be left wondering what is happening only to find out that reduced debug information is the cause, raise an eror. This was not typically a problem until e3c8d33e0d62 ("scripts/gdb: fix 'lx-dmesg' on 32 bits arch") but it has since then. Link: https://lkml.kernel.org/r/20230406215252.1580538-1-f.fainelli@gmail.com Fixes: e3c8d33e0d62 ("scripts/gdb: fix 'lx-dmesg' on 32 bits arch") Signed-off-by: Florian Fainelli Cc: Antonio Borneo Cc: Jan Kiszka Cc: John Ogness Cc: Kieran Bingham Cc: Petr Mladek Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- scripts/gdb/linux/constants.py.in | 2 ++ scripts/gdb/vmlinux-gdb.py | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/scripts/gdb/linux/constants.py.in b/scripts/gdb/linux/constants.py.in index 2efbec6b6b8db..08f0587d15ea1 100644 --- a/scripts/gdb/linux/constants.py.in +++ b/scripts/gdb/linux/constants.py.in @@ -39,6 +39,8 @@ import gdb +LX_CONFIG(CONFIG_DEBUG_INFO_REDUCED) + /* linux/clk-provider.h */ if IS_BUILTIN(CONFIG_COMMON_CLK): LX_GDBPARSED(CLK_GET_RATE_NOCACHE) diff --git a/scripts/gdb/vmlinux-gdb.py b/scripts/gdb/vmlinux-gdb.py index 3e8d3669f0ce0..5564ffe8ae327 100644 --- a/scripts/gdb/vmlinux-gdb.py +++ b/scripts/gdb/vmlinux-gdb.py @@ -22,6 +22,10 @@ except: gdb.write("NOTE: gdb 7.2 or later required for Linux helper scripts to " "work.\n") else: + import linux.constants + if linux.constants.LX_CONFIG_DEBUG_INFO_REDUCED: + raise gdb.GdbError("Reduced debug information will prevent GDB " + "from having complete types.\n") import linux.utils import linux.symbols import linux.modules @@ -32,7 +36,6 @@ else: import linux.lists import linux.rbtree import linux.proc - import linux.constants import linux.timerlist import linux.clk import linux.genpd -- 2.39.2