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From: Stephen Hemminger <stephen@networkplumber.org>
To: Dengdui Huang <huangdengdui@huawei.com>
Cc: <dev@dpdk.org>, <mb@smartsharesystems.com>,
	<david.marchand@redhat.com>, <roretzla@linux.microsoft.com>,
	<lihuisong@huawei.com>, <fengchengwen@huawei.com>,
	<liuyonglong@huawei.com>
Subject: Re: [PATCH v5] eal: fix uncheck lcore role
Date: Wed, 6 Aug 2025 20:15:45 -0700	[thread overview]
Message-ID: <20250806201545.514def16@hermes.local> (raw)
In-Reply-To: <20250807024936.2039379-1-huangdengdui@huawei.com>

On Thu, 7 Aug 2025 10:49:36 +0800
Dengdui Huang <huangdengdui@huawei.com> wrote:

> diff --git a/lib/eal/common/eal_common_launch.c b/lib/eal/common/eal_common_launch.c
> index a7deac6ecd..be7226e4b6 100644
> --- a/lib/eal/common/eal_common_launch.c
> +++ b/lib/eal/common/eal_common_launch.c
> @@ -36,8 +36,15 @@ RTE_EXPORT_SYMBOL(rte_eal_remote_launch)
>  int
>  rte_eal_remote_launch(lcore_function_t *f, void *arg, unsigned int worker_id)
>  {
> +	enum rte_lcore_role_t role;
>  	int rc = -EBUSY;
>  
> +	role = lcore_config[worker_id].core_role;
> +	if (role != ROLE_RTE && role != ROLE_SERVICE) {
> +		rc = -EINVAL;
> +		goto finish;
> +	}

worker_id could be any value, if it was out of the range of the array
you would end up reading junk.

  reply	other threads:[~2025-08-07  3:15 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-21  4:03 [PATCH 0/2] fix the problem of dma-perf infinite loop Dengdui Huang
2025-03-21  4:03 ` [PATCH 1/2] eal: fix wake a incorrect lcore Dengdui Huang
2025-03-21  4:03 ` [PATCH 2/2] app/dma-perf: fix infinite loop Dengdui Huang
2025-03-21 15:58   ` Stephen Hemminger
2025-03-24  3:42     ` huangdengdui
2025-03-21  7:49 ` [PATCH 0/2] fix the problem of dma-perf " David Marchand
2025-03-24  3:42   ` huangdengdui
2025-03-27  8:58 ` [PATCH] app/dma-perf: fix " Dengdui Huang
2025-03-27  8:58   ` [PATCH 1/2] eal: fix uncheck worker ID Dengdui Huang
2025-03-27  8:58   ` [PATCH 2/2] app/dma-perf: fix infinite loop Dengdui Huang
2025-03-27  9:01 ` [PATCH v2 0/2] fix the problem of dma-perf " Dengdui Huang
2025-03-27  9:01   ` [PATCH v2 1/2] eal: fix uncheck worker ID Dengdui Huang
2025-03-27  9:32     ` Morten Brørup
2025-04-02  8:28       ` huangdengdui
2025-03-27  9:01   ` [PATCH v2 2/2] app/dma-perf: fix infinite loop Dengdui Huang
2025-04-02 12:24 ` [PATCH v3 0/3] fix the problem of dma-perf " Dengdui Huang
2025-04-02 12:24   ` [PATCH v3 1/3] eal: fix uncheck lcore ID Dengdui Huang
2025-04-02 12:24   ` [PATCH v3 2/3] eal: fix unckeck pipe Dengdui Huang
2025-04-02 14:45     ` Morten Brørup
2025-04-03  8:12       ` huangdengdui
2025-04-02 12:24   ` [PATCH v3 3/3] app/dma-perf: fix infinite loop Dengdui Huang
2025-07-24 11:25 ` [PATCH v4] eal: fix uncheck lcore ID and lcore role Dengdui Huang
2025-07-24 14:44   ` Morten Brørup
2025-08-07  2:43     ` huangdengdui
2025-08-07  2:49   ` [PATCH v5] eal: fix uncheck " Dengdui Huang
2025-08-07  3:15     ` Stephen Hemminger [this message]
2025-08-07  3:57       ` huangdengdui

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