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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Artemy Kovalyov <artemyko@nvidia.com>, <dev@dpdk.org>
Cc: Thomas Monjalon <thomas@monjalon.net>, <stable@dpdk.org>,
	Qi Zhang <qi.z.zhang@intel.com>
Subject: Re: [PATCH v2 2/5] eal: fix multiprocess hotplug race
Date: Wed, 13 Mar 2024 17:05:45 +0100	[thread overview]
Message-ID: <204210cb-e9b3-4569-8c8c-cdf0679c824d@intel.com> (raw)
In-Reply-To: <20240307070113.29580-3-artemyko@nvidia.com>

On 3/7/2024 8:01 AM, Artemy Kovalyov wrote:
> There exists a time gap between the creation of the multiprocess channel
> and the registration of request action handlers. Within this window, a
> secondary process that receives an eal_dev_mp_request broadcast
> notification might respond with ENOTSUP. This, in turn, causes the
> rte_dev_probe() operation to fail in another secondary process.
> To avoid this, disregarding ENOTSUP responses to attach notifications.
> 
> Fixes: 244d5130719c ("eal: enable hotplug on multi-process")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Artemy Kovalyov <artemyko@nvidia.com>
> ---
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

-- 
Thanks,
Anatoly


  reply	other threads:[~2024-03-13 16:06 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-12  4:25 [PATCH 0/5] addressing races in concurrent process startup Artemy Kovalyov
2023-12-12  4:25 ` [PATCH 1/5] app/test-pm: add multiprocess test Artemy Kovalyov
2023-12-12 17:09   ` Stephen Hemminger
2023-12-17  3:53   ` [PATCH v2 1/5] app/test-mp: " Artemy Kovalyov
2024-03-06 20:20     ` David Marchand
2024-03-07  6:59   ` [PATCH 0/5] addressing races in concurrent process startup Artemy Kovalyov
2024-03-07  7:01   ` Artemy Kovalyov
2024-03-07  7:01     ` [PATCH v2 1/5] app/test-mp: add multiprocess test Artemy Kovalyov
2024-03-13 16:05       ` Burakov, Anatoly
2024-03-07  7:01     ` [PATCH v2 2/5] eal: fix multiprocess hotplug race Artemy Kovalyov
2024-03-13 16:05       ` Burakov, Anatoly [this message]
2024-03-07  7:01     ` [PATCH v2 3/5] ipc: fix mp channel closure to prevent message loss Artemy Kovalyov
2024-03-13 16:06       ` Burakov, Anatoly
2024-03-07  7:01     ` [PATCH v2 4/5] eal: fix first time primary autodetect Artemy Kovalyov
2024-03-13 16:06       ` Burakov, Anatoly
2024-03-07  7:01     ` [PATCH v2 5/5] eal: fix memzone fbarray cleanup Artemy Kovalyov
2024-03-13 16:17       ` Burakov, Anatoly
2023-12-12  4:25 ` [PATCH 2/5] eal: fix multiprocess hotplug race Artemy Kovalyov
2023-12-12  4:25 ` [PATCH 3/5] ipc: fix mp channel closure to prevent message loss Artemy Kovalyov
2023-12-12  4:25 ` [PATCH 4/5] eal: fix first time primary autodetect Artemy Kovalyov
2023-12-12  4:25 ` [PATCH 5/5] eal: fix memzone fbarray cleanup Artemy Kovalyov

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