From: Stephen Hemminger <stephen@networkplumber.org>
To: fengchengwen <fengchengwen@huawei.com>
Cc: Jie Hai <haijie1@huawei.com>, <dev@dpdk.org>,
Anatoly Burakov <anatoly.burakov@intel.com>,
<lihuisong@huawei.com>
Subject: Re: [PATCH 10/21] lib/eal: replace strtok with strtok_r
Date: Mon, 13 Nov 2023 17:08:17 -0800 [thread overview]
Message-ID: <20231113170817.5a1e8a9c@hermes.local> (raw)
In-Reply-To: <81b309a0-7c01-936c-bac6-da6f03414ace@huawei.com>
On Tue, 14 Nov 2023 09:05:10 +0800
fengchengwen <fengchengwen@huawei.com> wrote:
> Hi Stephen,
>
> On 2023/11/14 0:27, Stephen Hemminger wrote:
> > On Mon, 13 Nov 2023 18:45:39 +0800
> > Jie Hai <haijie1@huawei.com> wrote:
> >
> >> Multiple threads calling the same function may cause condition
> >> race issues, which often leads to abnormal behavior and can cause
> >> more serious vulnerabilities such as abnormal termination, denial
> >> of service, and compromised data integrity.
> >
> > This code is only called in startup and can not be called by
> > multiple threads.
>
> For the DPDK examples and apps, I think it's OK if it called in startup then may not need replace.
>
> But as for lib and drivers, I think we shouldn't make such an assumption.
>
> At last I also recommend fix the examples and apps, because people may refer it.
For startup of libs and driver initialization the code is always single threaded.
If not many, many other things would break.
next prev parent reply other threads:[~2023-11-14 1:08 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-13 10:45 [PATCH 00/21] " Jie Hai
2023-11-13 10:45 ` [PATCH 01/21] app/graph: " Jie Hai
2023-11-13 10:45 ` [PATCH 02/21] app/test-bbdev: " Jie Hai
2023-11-13 10:45 ` [PATCH 03/21] app/test-compress-perf: " Jie Hai
2023-11-13 10:45 ` [PATCH 04/21] app/test-crypto-perf: " Jie Hai
2023-11-13 10:45 ` [PATCH 05/21] app/test-dma-perf: " Jie Hai
2023-11-13 10:45 ` [PATCH 06/21] app/test-fib: " Jie Hai
2023-11-13 10:45 ` [PATCH 07/21] app/dpdk-test-flow-perf: " Jie Hai
2023-11-13 10:45 ` [PATCH 08/21] app/test-mldev: " Jie Hai
2023-11-13 10:45 ` [PATCH 09/21] lib/dmadev: " Jie Hai
2023-11-13 10:45 ` [PATCH 10/21] lib/eal: " Jie Hai
2023-11-13 16:27 ` Stephen Hemminger
2023-11-14 1:05 ` fengchengwen
2023-11-14 1:08 ` Stephen Hemminger [this message]
2023-11-13 10:45 ` [PATCH 11/21] lib/ethdev: " Jie Hai
2023-11-13 10:45 ` [PATCH 12/21] lib/eventdev: " Jie Hai
2023-11-13 10:45 ` [PATCH 13/21] lib/telemetry: " Jie Hai
2023-11-13 10:45 ` [PATCH 14/21] " Jie Hai
2023-11-13 10:45 ` [PATCH 15/21] bus/fslmc: " Jie Hai
2023-11-15 2:41 ` Sachin Saxena
2023-11-13 10:45 ` [PATCH 16/21] common/cnxk: " Jie Hai
2023-11-13 10:45 ` [PATCH 17/21] event/cnxk: " Jie Hai
2023-11-13 10:45 ` [PATCH 18/21] net/ark: " Jie Hai
2023-11-13 10:45 ` [PATCH 19/21] raw/cnxk_gpio: " Jie Hai
2023-11-13 10:45 ` [PATCH 20/21] examples/l2fwd-crypto: " Jie Hai
2023-11-13 10:45 ` [PATCH 21/21] examples/vhost: " Jie Hai
2023-11-13 16:26 ` Stephen Hemminger
2023-11-13 11:00 ` [PATCH 00/21] " Thomas Monjalon
2023-11-13 11:33 ` fengchengwen
2023-11-13 16:25 ` Stephen Hemminger
2023-11-13 17:09 ` Tyler Retzlaff
2023-11-14 12:50 ` Jie Hai
2023-11-14 17:32 ` Tyler Retzlaff
2023-11-14 17:34 ` Tyler Retzlaff
2023-11-14 17:49 ` Tyler Retzlaff
2023-11-15 3:02 ` fengchengwen
2023-11-15 11:27 ` Morten Brørup
2023-11-15 15:08 ` Stephen Hemminger
2023-11-21 3:32 ` Jie Hai
2024-02-01 11:13 ` David Marchand
2023-11-14 8:41 ` [PATCH v2 00/22] replace strtok with reentrant version Jie Hai
2023-11-14 8:41 ` [PATCH v2 01/22] app/graph: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 02/22] app/bbdev: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 03/22] app/compress-perf: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 04/22] app/crypto-perf: " Jie Hai
2024-01-11 17:10 ` Power, Ciara
2023-11-14 8:41 ` [PATCH v2 05/22] app/dma-perf: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 06/22] app/test-fib: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 07/22] app/flow-perf: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 08/22] app/test-mldev: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 09/22] dmadev: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 10/22] eal: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 11/22] ethdev: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 12/22] eventdev: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 13/22] security: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 14/22] telemetry: " Jie Hai
2024-01-11 17:13 ` Power, Ciara
2023-11-14 8:41 ` [PATCH v2 15/22] bus/fslmc: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 16/22] common/cnxk: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 17/22] event/cnxk: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 18/22] net/ark: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 19/22] raw/cnxk_gpio: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 20/22] examples/l2fwd-crypto: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 21/22] examples/vhost: " Jie Hai
2023-11-14 8:41 ` [PATCH v2 22/22] devtools: check for some reentrant function Jie Hai
2023-11-14 10:59 ` [PATCH v3 00/22] replace strtok with reentrant version Jie Hai
2023-11-14 10:59 ` [PATCH v3 01/22] app/graph: " Jie Hai
2023-11-15 0:07 ` Stephen Hemminger
2023-11-14 10:59 ` [PATCH v3 02/22] app/bbdev: " Jie Hai
2023-11-15 0:09 ` Stephen Hemminger
2023-11-14 10:59 ` [PATCH v3 03/22] app/compress-perf: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 04/22] app/crypto-perf: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 05/22] app/dma-perf: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 06/22] app/test-fib: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 07/22] app/flow-perf: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 08/22] app/test-mldev: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 09/22] dmadev: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 10/22] eal: " Jie Hai
2023-11-15 7:17 ` [EXT] " Amit Prakash Shukla
2023-11-14 10:59 ` [PATCH v3 11/22] ethdev: " Jie Hai
2023-12-16 10:01 ` Andrew Rybchenko
2023-11-14 10:59 ` [PATCH v3 12/22] eventdev: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 13/22] security: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 14/22] telemetry: " Jie Hai
2023-11-14 10:59 ` [PATCH v3 15/22] bus/fslmc: " Jie Hai
2023-11-14 11:00 ` [PATCH v3 16/22] common/cnxk: " Jie Hai
2023-11-14 11:00 ` [PATCH v3 17/22] event/cnxk: " Jie Hai
2023-11-14 11:00 ` [PATCH v3 18/22] net/ark: " Jie Hai
2023-11-14 11:00 ` [PATCH v3 19/22] raw/cnxk_gpio: " Jie Hai
2023-11-14 11:00 ` [PATCH v3 20/22] examples/l2fwd-crypto: " Jie Hai
2023-11-14 11:00 ` [PATCH v3 21/22] examples/vhost: " Jie Hai
2023-11-14 11:00 ` [PATCH v3 22/22] devtools: check for some reentrant function Jie Hai
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