From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id 6e7OJ5ldk2kSzT0AWB0awg (envelope-from ) for ; Mon, 16 Feb 2026 13:10:33 -0500 Authentication-Results: simark.ca; dkim=pass (1024-bit key; unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=Cp60kkT/; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=7tkW1fa3; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=Cp60kkT/; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=7tkW1fa3; dkim-atps=neutral Received: by simark.ca (Postfix, from userid 112) id 9CADB1E0BA; Mon, 16 Feb 2026 13:10:33 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=ARC_SIGNED,ARC_VALID,BAYES_00, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,RCVD_IN_VALIDITY_CERTIFIED_BLOCKED, RCVD_IN_VALIDITY_RPBL_BLOCKED,RCVD_IN_VALIDITY_SAFE_BLOCKED autolearn=ham autolearn_force=no version=4.0.1 Received: from vm01.sourceware.org (vm01.sourceware.org [38.145.34.32]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id EE94F1E08D for ; Mon, 16 Feb 2026 13:10:32 -0500 (EST) Received: from vm01.sourceware.org (localhost [127.0.0.1]) by sourceware.org (Postfix) with ESMTP id 00B154BAD178 for ; Mon, 16 Feb 2026 18:10:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 00B154BAD178 Authentication-Results: sourceware.org; dkim=pass (1024-bit key, unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=Cp60kkT/; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=7tkW1fa3; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=Cp60kkT/; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=7tkW1fa3 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2a07:de40:b251:101:10:150:64:1]) by sourceware.org (Postfix) with ESMTPS id C84714BAD169 for ; Mon, 16 Feb 2026 18:09:31 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org C84714BAD169 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de ARC-Filter: OpenARC Filter v1.0.0 sourceware.org C84714BAD169 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2a07:de40:b251:101:10:150:64:1 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1771265372; cv=none; b=GXghKUcNHkaCQBzme+LmMP3R1nU3cLCwYrK3bKF63sSuJzhljRwoCqkxgvpncDnmgU+lKFtAQ6Pdm1WfSv0FcUnuVmdewa8brdyVIPYtYCDmpI97sg9dpXAwquLctFf2VTlpcs7QypunZ2oExQBKT89Xf6laoeODyKxaJKaFIhA= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1771265372; c=relaxed/simple; bh=GMMnm3JIxhYHyDcECdqnFCrMMnLTE5scoglnY5GwXBs=; h=DKIM-Signature:DKIM-Signature:DKIM-Signature:DKIM-Signature:From: To:Subject:Date:Message-ID:MIME-Version; b=I+BabImFed7DNCGX9IIK5OJvj3QsTvlsngX19/vZJcCrG1YPEI3odIts2EwdF2BwjHc7k80tQzNNEHG0fBUjfKr0KHX4vbFavwzQroxagF760AAe0WK3gJWggN0chEMGsnx8citpmXLrQPe0Bl5GatZWLts0n7rh41LNXC7+J54= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C84714BAD169 Received: from imap1.dmz-prg2.suse.org (unknown [10.150.64.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id B6B403E890 for ; Mon, 16 Feb 2026 18:09:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1771265370; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ef7uX7os9JVlj9rmf0Dr1IPKU4Tsz+/iN9e9v7cXN4A=; b=Cp60kkT/i/NRbZfKE6pm+xcTS7F93/KOMXzeVpwMtypBVGk7y5MeZLhUxDvlk7poKsxm6d 9RwJ3fdogDUz2WDKI7f2VvOjh3UA/I6YD9QxkXC1UflXsMV2neK/UrOALz7PesEE2sfPm0 rz8z41gTLw7xEhZBKDOoPWTadGyyBXE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1771265370; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ef7uX7os9JVlj9rmf0Dr1IPKU4Tsz+/iN9e9v7cXN4A=; b=7tkW1fa3Wwht/8i0aId02oKChcmXbpKw8gH+h4d0t1z+CZskwxwSyCVQZPEipV+nL/rY6t CLB4zeFK/FMnxXCg== Authentication-Results: smtp-out1.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1771265370; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ef7uX7os9JVlj9rmf0Dr1IPKU4Tsz+/iN9e9v7cXN4A=; b=Cp60kkT/i/NRbZfKE6pm+xcTS7F93/KOMXzeVpwMtypBVGk7y5MeZLhUxDvlk7poKsxm6d 9RwJ3fdogDUz2WDKI7f2VvOjh3UA/I6YD9QxkXC1UflXsMV2neK/UrOALz7PesEE2sfPm0 rz8z41gTLw7xEhZBKDOoPWTadGyyBXE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1771265370; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ef7uX7os9JVlj9rmf0Dr1IPKU4Tsz+/iN9e9v7cXN4A=; b=7tkW1fa3Wwht/8i0aId02oKChcmXbpKw8gH+h4d0t1z+CZskwxwSyCVQZPEipV+nL/rY6t CLB4zeFK/FMnxXCg== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 391D33EA62 for ; Mon, 16 Feb 2026 18:09:28 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id ArpmKFhdk2moCwAAD6G6ig (envelope-from ) for ; Mon, 16 Feb 2026 18:09:28 +0000 From: Tom de Vries To: gdb-patches@sourceware.org Subject: [PATCH v2 0/2] [gdb] TSAN fixes Date: Mon, 16 Feb 2026 19:09:23 +0100 Message-ID: <20260216180925.3174052-1-tdevries@suse.de> X-Mailer: git-send-email 2.51.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.991]; MIME_GOOD(-0.10)[text/plain]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,imap1.dmz-prg2.suse.org:helo]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[gdb-patches@sourceware.org]; RCVD_TLS_ALL(0.00)[] X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org I build gdb with TSAN at -O0, ran the testsuite and found a few problems. This series fixes those. The first patch changes the locking scheme. The second patch removes a local lock in try_open_dwop_file. Changes since v1: - commited an approved patch [1] - combined two patches related to the local lock in try_open_dwop_file - replaced last patch by new patch changing the locking scheme [1] https://sourceware.org/pipermail/gdb-patches/2026-January/224422.html Tom de Vries (2): [gdb/symtab] Replace per-BFD lock with global BFD lock [gdb/symtab] Fix data race in try_open_dwop_file gdb/dwarf2/read.c | 15 ++++----------- gdb/gdb_bfd.c | 37 ++++++++++++++++--------------------- gdb/gdb_bfd.h | 4 ++++ 3 files changed, 24 insertions(+), 32 deletions(-) base-commit: 2d306bf8a70e4ef9d6cd6eeecf17a8e6f4f04151 -- 2.51.0