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 mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92C63F34C74 for ; Mon, 13 Apr 2026 17:18:42 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B8A1D402EF; Mon, 13 Apr 2026 19:18:41 +0200 (CEST) Received: from mail-dy1-f181.google.com (mail-dy1-f181.google.com [74.125.82.181]) by mails.dpdk.org (Postfix) with ESMTP id 78BA3402CA for ; Mon, 13 Apr 2026 19:18:40 +0200 (CEST) Received: by mail-dy1-f181.google.com with SMTP id 5a478bee46e88-2d3eb307324so2315009eec.0 for ; Mon, 13 Apr 2026 10:18:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20251104.gappssmtp.com; s=20251104; t=1776100719; x=1776705519; darn=dpdk.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=rTdMvycu925cmnco0sqrYd43rH2qm3/QMBZf24wjKsc=; b=Pc04lrGebWNsxmGskutJP0vAN04DSPpGaHq0Or1ayOo4g8/VzcnfO8K7JpAqt2n1uR XyvynilMh7VNx0KGh98Xg6t0iTTeCz9ydRVI26FaCGgH+Rh8h8pRi6Cua/JiYAD/kusZ u6bsSUItjRGds74oSNx+HJ2F9RYKh+bWs8MKRLaV84WZxF9Xp7j02Wf1c+f90YqblDKc C4pbb/LOMqSmDSjmzpSkB6Bz36m3sMe8NLJ3HCQ5uyMHD+nQpT6b9A0B0MPtDHoWs3XF czCqnQdkm3xIoiyFQcKn31uRbSiTsYpxv7j98DKaDxE4qmInBe7Khkejf5deHNc3BC32 35KQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776100719; x=1776705519; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=rTdMvycu925cmnco0sqrYd43rH2qm3/QMBZf24wjKsc=; b=pXi/Okfb/K6ITuKO6IIDX2M//7ubuf2LWmN0DZCM+BRRbHr7uefnu6yQzRcwksVyl3 eE9odPphRKM3t8Tojr4qA8X9urz1gt1oeu0ErvUOP6H6aAw0OfTYFV9cZBTRm0AUnii0 uUdeiYxeNCVNRS0KY0MK3hyKE8wCwTWow7FOvApVVAo0khFR8/b9y3HzhalHDc5VCnU+ LinCmlQlfcUDQfOfSth/cBmQ66n8voTSAEAgiBLJYsVIS4beSahRJLSbTNeGvNB3I6cc KahvdOct2oy+xhetExPCsaycBbCYWDl5S9VBTZhaWUxJmjnGqehlZpA+HfnWXf7wnKAT U29A== X-Gm-Message-State: AOJu0YzmRxlOxX8BG8iSOSDIfX35/QGTZCQRGK9mdtUspMGY5sfjmJZ5 +VxENl3YGTfYDo+osJ8p1G2UTRu0hYlqYEwdR536Wc/W8h3b+1f8NEJ20W45OpE58HnwlCCaP5q G6vq1 X-Gm-Gg: AeBDiev0cjLy4ccCFF2I6mGN8VW0DK5CepuUoQq9lTO888ablCMgQlunf4tkFVD7Fr+ odIKcWcPZ196urhLH6Cf4MonQozYFpc4MutKuE/jkxyGasCR4ybKQmy2BBwVXO4NejMQtVl2WnI Qoyj92G5pqHcz5O7v9Cd0oCPXq0WUSiowcfPlFoLwLxBHW2L5kyD7CaFYiC8aXjYGku/yGTvxVa c0uuyUlQY9DrBHZHUfCwypRq1xFmI9ESNkO6D1ToHvjW4EMoHjsWsF0lUXyRXB/AyqocCDP6ux3 8+9E04ndvNi7ObkbEHQcyY3KxkkszQKwUwC5MbqHoFBOCOXxnYQdQxUhFjo47ZeyADFsY1qi1+2 L+9ttr7fYMa7/8sX9I6GAmPZ6lnCcQN0eg0xScvTJx0dbtM8P8qlenm+vjLl5jD5dAsMr3susIC vDrc533IyjePaK1K27PA62SM+HIswC8fH09TWdy2pnDvg= X-Received: by 2002:a05:7300:7313:b0:2d8:b2e1:20da with SMTP id 5a478bee46e88-2d8b2e12375mr2697359eec.2.1776100719245; Mon, 13 Apr 2026 10:18:39 -0700 (PDT) Received: from phoenix.lan ([104.202.41.210]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2d55f5c69d5sm20258602eec.3.2026.04.13.10.18.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2026 10:18:38 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger Subject: [PATCH 0/6] fix pthread mutexes for multi-process Date: Mon, 13 Apr 2026 10:14:44 -0700 Message-ID: <20260413171836.123467-1-stephen@networkplumber.org> X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Several drivers and the ethdev layer initialize pthread mutexes in shared memory with default (process-private) attributes. This is undefined behavior when secondary processes use them. This series adds PTHREAD_PROCESS_SHARED to all affected mutexes. All are on control paths (firmware mailbox, hotplug, flow ops, PHY negotiation) where sleeping is acceptable. See POSIX spec: https://pubs.opengroup.org/onlinepubs/009696899/functions/pthread_mutexattr_getpshared.html Bugzilla ID: 662 Stephen Hemminger (6): ethdev: fix flow_ops_mutex for multi-process net/failsafe: fix hotplug_mutex for multi-process net/atlantic: fix mbox_mutex for multi-process net/axgbe: fix mutexes for multi-process net/bnxt: fix mutexes for multi-process net/hinic: fix mutexes for multi-process drivers/net/atlantic/atl_ethdev.c | 14 +++++++++++++- drivers/net/axgbe/axgbe_ethdev.c | 19 +++++++++++++++---- drivers/net/bnxt/bnxt_ethdev.c | 11 ++++++----- drivers/net/bnxt/bnxt_txq.c | 3 ++- drivers/net/bnxt/bnxt_util.c | 13 +++++++++++++ drivers/net/bnxt/bnxt_util.h | 2 ++ drivers/net/bnxt/tf_ulp/bnxt_ulp.c | 2 +- drivers/net/bnxt/tf_ulp/bnxt_ulp_tf.c | 2 +- drivers/net/bnxt/tf_ulp/bnxt_ulp_tfc.c | 2 +- drivers/net/failsafe/failsafe.c | 15 ++++++++++++--- drivers/net/hinic/base/hinic_compat.h | 13 ++++++++++++- lib/ethdev/ethdev_driver.c | 18 +++++++++++++++++- 12 files changed, 95 insertions(+), 19 deletions(-) -- 2.53.0