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From: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Olivier Matz <olivier.matz@6wind.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"lucp.at.work@gmail.com" <lucp.at.work@gmail.com>,
	"david.marchand@redhat.com" <david.marchand@redhat.com>,
	"thomas@monjalon.net" <thomas@monjalon.net>,
	Ruifeng Wang <Ruifeng.Wang@arm.com>, nd <nd@arm.com>,
	nd <nd@arm.com>
Subject: Re: [dpdk-dev] [RFC v2] eal: simplify the implementation of rte_ctrl_thread_create
Date: Mon, 30 Aug 2021 22:30:31 +0000
Message-ID: <DBAPR08MB5814ED35226F28F464CB76EF98CB9@DBAPR08MB5814.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20210824143058.45b31118@hermes.local>

<snip>
> 
> On Tue, 24 Aug 2021 20:03:03 +0000
> Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com> wrote:
> 
> > > One difference between this implementation and the previous one is
> > > this busy loop. rte_pause() relaxes the cpu, but will not make the
> > > calling thread to sleep and wait for the sync event. So here we can
> > > spin a quite long time until the other thread is scheduled by the OS.
> > Yes, this is a difference. We could add a microsleep to allow for the OS to un-
> schedule the current thread.
> 
> Why not use sched_yield() here?
This means, it is not portable to Windows. The function needs to be moved to OS specific files. Are there any guidelines on creating OS specific functions? Can I create in this case?

  parent reply	other threads:[~2021-08-30 22:31 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30 21:37 [dpdk-dev] [RFC] " Honnappa Nagarahalli
2021-08-02  5:16 ` [dpdk-dev] [RFC v2] " Honnappa Nagarahalli
2021-08-23 10:16   ` Olivier Matz
2021-08-24 20:03     ` Honnappa Nagarahalli
2021-08-24 21:30       ` Stephen Hemminger
2021-08-25  1:26         ` Honnappa Nagarahalli
2021-08-25 15:19         ` Mattias Rönnblom
2021-08-25 15:31           ` Honnappa Nagarahalli
2021-09-01 20:04             ` Mattias Rönnblom
2021-09-01 22:21               ` Honnappa Nagarahalli
2021-08-30 22:30         ` Honnappa Nagarahalli [this message]
2021-08-25 15:12   ` Mattias Rönnblom
2021-08-25 15:23     ` Honnappa Nagarahalli
2021-08-25 21:57       ` Stephen Hemminger
2021-08-25 18:48 ` [dpdk-dev] [RFC] " Luc Pelletier
2021-08-25 19:26   ` Honnappa Nagarahalli
2021-08-30 16:34 ` [dpdk-dev] [PATCH v3 1/2] " Honnappa Nagarahalli
2021-08-30 16:34   ` [dpdk-dev] [PATCH v3 2/2] test/eal: add a test for rte_ctrl_thread_create Honnappa Nagarahalli
2021-08-30 16:41     ` Stephen Hemminger
2021-08-30 16:42       ` Honnappa Nagarahalli
2021-08-30 16:44   ` [dpdk-dev] [PATCH v3 1/2] eal: simplify the implementation of rte_ctrl_thread_create Stephen Hemminger
2021-08-30 22:12     ` Honnappa Nagarahalli
2021-10-13 20:18 ` [dpdk-dev] [PATCH v4 " Honnappa Nagarahalli
2021-10-13 20:18   ` [dpdk-dev] [PATCH v4 2/2] test/eal: add a test for rte_ctrl_thread_create Honnappa Nagarahalli
2021-10-21 15:46   ` [dpdk-dev] [PATCH v4 1/2] eal: simplify the implementation of rte_ctrl_thread_create Olivier Matz
2021-10-21 20:49     ` Honnappa Nagarahalli
2021-10-21 21:32 ` [dpdk-dev] [PATCH v5 " Honnappa Nagarahalli
2021-10-21 21:32   ` [dpdk-dev] [PATCH v5 2/2] test/eal: add a test for rte_ctrl_thread_create Honnappa Nagarahalli
2021-10-22  8:35     ` Olivier Matz
2021-10-25 19:46       ` David Marchand

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