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 96A1AF9D0D5 for ; Tue, 14 Apr 2026 14:42:52 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id AB24F402F2; Tue, 14 Apr 2026 16:42:51 +0200 (CEST) Received: from mail-dy1-f179.google.com (mail-dy1-f179.google.com [74.125.82.179]) by mails.dpdk.org (Postfix) with ESMTP id 6D883402E1 for ; Tue, 14 Apr 2026 16:42:50 +0200 (CEST) Received: by mail-dy1-f179.google.com with SMTP id 5a478bee46e88-2d868d014a5so2453804eec.1 for ; Tue, 14 Apr 2026 07:42:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20251104.gappssmtp.com; s=20251104; t=1776177769; x=1776782569; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=lJr8+s25juBJ79cyfNbuKRZPuwld9S2FLL41aIcUpJE=; b=J11vHu3xQQ0Mi4C/z6Q9cAFhMQT9EWLKvKgblJgOd7iHN9ojkfkkUNlaFcKQgVEqdy FhS6pkE4QHgVnNTmbJoVlyuJvQMMLskIT2RNKsPWvnZ4YA72KeenLRZdXU6m17BtGoWj jQ5OgbUMdA/S89D2P5/i3ynoLODx/HU1eldFMy8yXQFWPsRQwvijM0lYjuwn8Spz2y9A XgS4yYPzyevvCall+QFLbGjjw1rpLVvaK7gOzP2JMdtCeTy1RJwxWBCjZRlCqPZbAyGG rjYUVWNZIyOOvWm4I9uU5270P+mXHscAHT1SQRr7dH+2FDBdEnGYxhiQAnZR5XcPrgXx nLqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776177769; x=1776782569; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=lJr8+s25juBJ79cyfNbuKRZPuwld9S2FLL41aIcUpJE=; b=Jy6BDaS4Uc/bpkyQMh/tVWc1H2MxM4XtX4L1U3DSr1oRkjOyANa4uveeKwFQcF8Yzi XamapVIivQKeB4AHeTfbOWXqYofFBoQJeC+NDvzvSSwr8iIJNwoRe7fyn+58Na4VzolP Fu6IMSZq+UvwY8sraGM0ZtwZEmU8DmzY4yoPex9WBxb/MQmVYxBCg5HDq4DtLn/odPA3 W29tA6yTTAGm9vCOdyZfyulKAogc6/siIk0/tszyejrImOpceRNw0OQ3LaR3KiZV79Al 1E17HXWjq0qwjuFOWU6IQIPgL6MdzDgS2EoW41zHMV79pGXWqbqnx+lZc+2G5CtNRyjk D94g== X-Gm-Message-State: AOJu0Yzno0NNbZVjRl+mCXZ7VfaBO50XmFuCglj72b8jfEcR9oeR4TSr TNaoFqHVYQXpG8BGFagKTInQwQ+JbPf/zzYm6Selnc8iACB5JFDwWHbCGXwzFToaqOdAxnx6Hn7 dvCpG X-Gm-Gg: AeBDieuX6Bzf3gyKH/hhAaVk1NwDAQhh9UbgDuwIabmCOGimuymDg6Q9Oxa239g3Mcv k36OQ+7GVEHKGzfiFIzE9xpeH74TUMKS51aAp/2thKYXrF9alAkp4elyCtiMhM2+LLUpR4rZsJP ctjKdvKN5egdqakOwOcolUy8239zxfAqt+nT7lEyVyFaav/z/o8ivR28JhFCF3+UiG/Syl/odUx gr83B/kcxOr8X9RLPktO1CKrlQ3W4DT83BeAo2vNbpeRX44DafP70eDg4MYFpurQabF8poYpeLL g/oHR3GZ3joKC2cKKqU1T065z8R+bm1URwfQe/VpQFlZGk4HBtgEr3ZpCrGHM8sIQpwIn6XSlrJ 84ZRvKQRHJpHCahBswnt9Bi23msTtHOL7FqPCZCPD5TTSrCBHz/8m/MT6ic5aWItC288VVVEJpH RYsLERdjemIZe+8ya2ePXihbR/Tsq4B1ODlFhDXX/CxK4= X-Received: by 2002:a05:7301:4083:b0:2d3:2983:c890 with SMTP id 5a478bee46e88-2d588e838b5mr9845077eec.15.1776177769143; Tue, 14 Apr 2026 07:42:49 -0700 (PDT) Received: from phoenix.lan ([104.202.41.210]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2d55f5c69d5sm24985835eec.3.2026.04.14.07.42.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Apr 2026 07:42:48 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger Subject: [PATCH v2 0/6] fix process shared pthread mutexes Date: Tue, 14 Apr 2026 07:39:52 -0700 Message-ID: <20260414144246.110681-1-stephen@networkplumber.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260413171836.123467-1-stephen@networkplumber.org> References: <20260413171836.123467-1-stephen@networkplumber.org> 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 v2 - fix build on Windows which does not need this. 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 | 22 +++++++++++++++++++++- 12 files changed, 99 insertions(+), 19 deletions(-) -- 2.53.0