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From: Phil Yang <Phil.Yang@arm.com>
To: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>,
	Harry van Haaren <harry.van.haaren@intel.com>,
	Jerin Jacob <jerin.jacob@caviumnetworks.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"stable@dpdk.org" <stable@dpdk.org>, nd <nd@arm.com>
Subject: Re: [dpdk-dev] [PATCH] eal: fix lcore state bug
Date: Wed, 29 Apr 2020 15:07:32 +0000	[thread overview]
Message-ID: <VE1PR08MB4640E98CDA50DF8427DA11D5E9AD0@VE1PR08MB4640.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20200428012139.32196-1-l.wojciechow@partner.samsung.com>

Hi Lukasz,

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Lukasz Wojciechowski
> Sent: Tuesday, April 28, 2020 9:22 AM
> To: Harry van Haaren <harry.van.haaren@intel.com>; Jerin Jacob
> <jerin.jacob@caviumnetworks.com>
> Cc: dev@dpdk.org; l.wojciechow@partner.samsung.com; stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] eal: fix lcore state bug
> 
> The rte_service_lcore_reset_all function stops execution of services
> on all lcores and switches them back from ROLE_SERVICE to ROLE_RTE.
> However the thread loop for slave lcores (eal_thread_loop) distincts these
> roles to set lcore state after processing delegated function.
> It sets WAIT state for ROLE_SERVICE, but FINISHED for ROLE_RTE.
> So changing the role to RTE before stopping work in slave lcores
> causes lcores to end in FINISHED state. That is why the rte_eal_lcore_wait
> must be run after rte_service_lcore_reset_all to bring back lcores to
> launchable (WAIT) state.

Is that make sense to call rte_eal_mp_wait_lcore() inside rte_serice_lcore_reset_all() ?

<snip>

Thanks,
Phil

  parent reply	other threads:[~2020-04-29 15:07 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20200428012204eucas1p120a84e501d0d64145c21476cd2562f36@eucas1p1.samsung.com>
2020-04-28  1:21 ` Lukasz Wojciechowski
2020-04-29  3:11   ` Ruifeng Wang
2020-04-29 15:07   ` Phil Yang [this message]
2020-04-29 21:32     ` Lukasz Wojciechowski
2020-04-30  2:54       ` Phil Yang
2020-04-30  9:06         ` Lukasz Wojciechowski
2020-05-08 16:12         ` Van Haaren, Harry
2020-05-08 17:04           ` Lukasz Wojciechowski
2020-05-18 18:25   ` Lukasz Wojciechowski
2020-05-18 18:39     ` David Marchand
2020-05-18 18:43       ` Lukasz Wojciechowski
2020-05-20 11:40         ` Van Haaren, Harry
2020-05-20 12:47           ` Lukasz Wojciechowski
     [not found]   ` <CGME20200708133748eucas1p2dbe34d8605d8f618559daee9cbeaa73d@eucas1p2.samsung.com>
2020-07-08 13:37     ` [dpdk-dev] [PATCH v2] " Lukasz Wojciechowski
2020-07-08 14:52       ` Van Haaren, Harry
2020-07-08 17:10         ` David Marchand
2020-07-08 19:37           ` Lukasz Wojciechowski

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