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From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 0/2] Mark shared pthread mutex
Date: Mon, 15 Mar 2021 12:45:56 -0700	[thread overview]
Message-ID: <20210315124556.3a071224@hermes.local> (raw)
In-Reply-To: <20210315192722.35490-1-stephen@networkplumber.org>

On Mon, 15 Mar 2021 12:27:20 -0700
Stephen Hemminger <stephen@networkplumber.org> wrote:

> This fixes two places where pthread_mutex was being unsafely
> used between primary secondary process.
> 
> These patches are necessary but not sufficient to address Bug 662
> 
> Stephen Hemminger (2):
>   ethdev: make flow API primary/secondary process safe
>   net/failsafe: fix primary/secondary mutex
> 
>  drivers/net/failsafe/failsafe.c | 5 +++++
>  lib/librte_ethdev/rte_ethdev.c  | 6 +++++-
>  2 files changed, 10 insertions(+), 1 deletion(-)

Side note:

While looking at the code, many places are checking for error
conditions that can never occur..

RETURN VALUE
       pthread_mutex_init always returns 0. The other mutex functions return 0
       on success and a non-zero error code on error.

  parent reply	other threads:[~2021-03-15 19:46 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-15 19:27 [dpdk-dev] [PATCH 0/2] Mark shared pthread mutex Stephen Hemminger
2021-03-15 19:27 ` [dpdk-dev] [PATCH 1/2] ethdev: make flow API primary/secondary process safe Stephen Hemminger
2021-03-16 23:48   ` Suanming Mou
2021-03-17  0:13     ` Stephen Hemminger
2021-03-17  0:32       ` Suanming Mou
2021-04-14 13:06     ` Ferruh Yigit
2021-04-15  2:55       ` Suanming Mou
2021-04-15  3:17         ` Stephen Hemminger
2021-04-15  7:42         ` Ferruh Yigit
2021-04-15 20:04           ` Stephen Hemminger
2021-04-16  0:57           ` Suanming Mou
2021-04-16  3:19           ` Ajit Khaparde
2021-04-16  1:41       ` fengchengwen
2021-04-16  8:12         ` Ferruh Yigit
2021-04-16  8:18   ` Ferruh Yigit
2021-04-19 17:14   ` Thomas Monjalon
2021-04-19 17:45     ` Stephen Hemminger
2021-04-19 18:09       ` Thomas Monjalon
2021-06-08  8:07   ` Andrew Rybchenko
2021-03-15 19:27 ` [dpdk-dev] [PATCH 2/2] net/failsafe: fix primary/secondary mutex Stephen Hemminger
2021-04-14 13:10   ` Ferruh Yigit
2021-04-16  8:19     ` Ferruh Yigit
2021-04-19 17:08   ` Thomas Monjalon
2021-06-08  8:00     ` Andrew Rybchenko
2021-06-08 15:42       ` Stephen Hemminger
2021-06-08 15:55         ` Andrew Rybchenko
2021-06-08 20:48           ` Stephen Hemminger
2021-06-09 10:04             ` Andrew Rybchenko
2021-06-14 14:43               ` Gaëtan Rivet
2022-10-17 10:40                 ` [External] : " Madhuker Mythri
2021-03-15 19:45 ` Stephen Hemminger [this message]
2021-03-16 16:28 ` [dpdk-dev] [PATCH 0/2] Mark shared pthread mutex Stephen Hemminger
2021-04-16  8:25   ` Ferruh Yigit

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