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From: Stephen Hemminger <stephen@networkplumber.org>
To: Tyler Retzlaff <roretzla@linux.microsoft.com>
Cc: dev@dpdk.org, thomas@monjalon.net, david.marchand@redhat.com,
	stable@dpdk.org
Subject: Re: [PATCH v4 2/2] eal: fix failure path race setting new thread affinity
Date: Tue, 14 Mar 2023 18:20:42 -0700	[thread overview]
Message-ID: <20230314182042.6001d7c3@hermes.local> (raw)
In-Reply-To: <1678834239-11569-3-git-send-email-roretzla@linux.microsoft.com>

On Tue, 14 Mar 2023 15:50:39 -0700
Tyler Retzlaff <roretzla@linux.microsoft.com> wrote:

> +	/* Wait for the thread wrapper to initialize thread successfully */
> +	while ((thread_wrapper_status =
> +		__atomic_load_n(&ctx->thread_wrapper_status,
> +		__ATOMIC_ACQUIRE)) == THREAD_WRAPPER_LAUNCHING)
> +		sched_yield();

Using pthread condition variable would be better, and avoid
using sched_yield() which is deprecated and not guaranteed to
work in cases where threads have different priority.

  reply	other threads:[~2023-03-15  1:20 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-02 18:44 [PATCH 1/2] eal: fix failure race and behavior of thread create Tyler Retzlaff
2023-03-02 18:44 ` [PATCH 2/2] eal/windows: fix create thread failure behavior Tyler Retzlaff
2023-03-07 14:33 ` [PATCH 1/2] eal: fix failure race and behavior of thread create David Marchand
2023-03-09  9:17   ` David Marchand
2023-03-09  9:58     ` Thomas Monjalon
2023-03-09 20:49       ` Tyler Retzlaff
2023-03-09 21:05         ` David Marchand
2023-03-13 23:31 ` [PATCH v2 0/2] fix race in rte_thread_create failure path Tyler Retzlaff
2023-03-13 23:31   ` [PATCH v2 1/2] eal: make cpusetp to rte thread set affinity const Tyler Retzlaff
2023-03-13 23:31   ` [PATCH v2 2/2] eal: fix failure path race setting new thread affinity Tyler Retzlaff
2023-03-14 11:47   ` [PATCH v2 0/2] fix race in rte_thread_create failure path David Marchand
2023-03-14 13:59     ` Tyler Retzlaff
2023-03-14 22:44 ` [PATCH v3 " Tyler Retzlaff
2023-03-14 22:44   ` [PATCH v3 1/2] eal: make cpusetp to rte thread set affinity const Tyler Retzlaff
2023-03-14 22:44   ` [PATCH v3 2/2] eal: fix failure path race setting new thread affinity Tyler Retzlaff
2023-03-14 22:50 ` [PATCH v4 0/2] fix race in rte_thread_create failure path Tyler Retzlaff
2023-03-14 22:50   ` [PATCH v4 1/2] eal: make cpusetp to rte thread set affinity const Tyler Retzlaff
2023-03-14 22:50   ` [PATCH v4 2/2] eal: fix failure path race setting new thread affinity Tyler Retzlaff
2023-03-15  1:20     ` Stephen Hemminger [this message]
2023-03-15  1:26       ` Tyler Retzlaff
2023-03-16  0:04 ` [PATCH v4 0/2] fix race in rte_thread_create failure path Tyler Retzlaff
2023-03-16  0:04   ` [PATCH v4 1/2] eal: make cpusetp to rte thread set affinity const Tyler Retzlaff
2023-03-16  0:04   ` [PATCH v4 2/2] eal: fix failure path race setting new thread affinity Tyler Retzlaff
2023-03-16  0:07 ` [PATCH v5 0/2] fix race in rte_thread_create failure path Tyler Retzlaff
2023-03-16  0:07   ` [PATCH v5 1/2] eal: make cpusetp to rte thread set affinity const Tyler Retzlaff
2023-03-16  0:07   ` [PATCH v5 2/2] eal: fix failure path race setting new thread affinity Tyler Retzlaff
2023-03-17 10:45     ` David Marchand
2023-03-17 14:49       ` Tyler Retzlaff
2023-03-17 18:51         ` David Marchand
2023-03-17 21:20           ` Tyler Retzlaff
2023-03-17 18:52 ` [PATCH v6] eal/unix: fix thread creation David Marchand
2023-03-17 21:24   ` Tyler Retzlaff
2023-03-18 18:26     ` David Marchand
2023-03-18 18:26   ` David Marchand

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