From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Subject: Re: [PATCH v2 0/6] fix process shared pthread mutexes
Date: Thu, 23 Apr 2026 08:05:54 -0700 [thread overview]
Message-ID: <20260423080554.055d6069@phoenix.local> (raw)
In-Reply-To: <20260414144246.110681-1-stephen@networkplumber.org>
On Tue, 14 Apr 2026 07:39:52 -0700
Stephen Hemminger <stephen@networkplumber.org> wrote:
> 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
I would like someone to review and ack some or all of these patches.
next prev parent reply other threads:[~2026-04-23 15:06 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-13 17:14 [PATCH 0/6] fix pthread mutexes for multi-process Stephen Hemminger
2026-04-13 17:14 ` [PATCH 1/6] ethdev: fix flow_ops_mutex " Stephen Hemminger
2026-04-13 17:14 ` [PATCH 2/6] net/failsafe: fix hotplug_mutex " Stephen Hemminger
2026-04-13 17:14 ` [PATCH 3/6] net/atlantic: fix mbox_mutex " Stephen Hemminger
2026-04-13 17:14 ` [PATCH 4/6] net/axgbe: fix mutexes " Stephen Hemminger
2026-04-13 17:14 ` [PATCH 5/6] net/bnxt: " Stephen Hemminger
2026-04-14 18:51 ` Kishore Padmanabha
2026-04-13 17:14 ` [PATCH 6/6] net/hinic: " Stephen Hemminger
2026-04-14 14:39 ` [PATCH v2 0/6] fix process shared pthread mutexes Stephen Hemminger
2026-04-14 14:39 ` [PATCH v2 1/6] ethdev: fix flow_ops_mutex for multi-process Stephen Hemminger
2026-04-14 14:39 ` [PATCH v2 2/6] net/failsafe: fix hotplug_mutex " Stephen Hemminger
2026-04-14 14:39 ` [PATCH v2 3/6] net/atlantic: fix mbox_mutex " Stephen Hemminger
2026-04-14 14:39 ` [PATCH v2 4/6] net/axgbe: fix mutexes " Stephen Hemminger
2026-04-14 14:39 ` [PATCH v2 5/6] net/bnxt: " Stephen Hemminger
2026-04-14 14:39 ` [PATCH v2 6/6] net/hinic: " Stephen Hemminger
2026-04-23 15:05 ` Stephen Hemminger [this message]
2026-04-23 17:29 ` [PATCH v2 0/6] fix process shared pthread mutexes Konstantin Ananyev
2026-05-08 16:39 ` Stephen Hemminger
2026-04-15 14:51 ` [PATCH v3 0/2] af_packet: cleanup and test Stephen Hemminger
2026-04-15 14:51 ` [PATCH v3 1/2] net/af_packet: fix indentation Stephen Hemminger
2026-04-15 14:51 ` [PATCH v3 2/2] test: add test for af_packet Stephen Hemminger
2026-04-16 17:57 ` [PATCH v4 0/2] af_packet: cleanup and test Stephen Hemminger
2026-04-16 17:57 ` [PATCH v4 1/2] net/af_packet: fix indentation Stephen Hemminger
2026-04-16 17:57 ` [PATCH v4 2/2] test: add test for af_packet Stephen Hemminger
2026-04-29 18:46 ` [PATCH v3 0/7] fix use of pthread mutex between processes Stephen Hemminger
2026-04-29 18:46 ` [PATCH v3 1/7] eal: add helper to initialize process-shared mutex Stephen Hemminger
2026-04-29 18:46 ` [PATCH v3 2/7] ethdev: fix flow_ops_mutex for multi-process Stephen Hemminger
2026-04-29 18:46 ` [PATCH v3 3/7] net/failsafe: fix hotplug_mutex " Stephen Hemminger
2026-04-29 18:46 ` [PATCH v3 4/7] net/atlantic: fix mbox_mutex " Stephen Hemminger
2026-04-29 18:46 ` [PATCH v3 5/7] net/axgbe: fix mutexes " Stephen Hemminger
2026-04-29 18:46 ` [PATCH v3 6/7] net/bnxt: " Stephen Hemminger
2026-04-29 18:46 ` [PATCH v3 7/7] net/hinic: " Stephen Hemminger
2026-04-30 17:36 ` [PATCH v3 0/7] fix use of pthread mutex between processes Stephen Hemminger
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