DPDK patches and discussions
 help / color / mirror / Atom feed
From: David Marchand <david.marchand@redhat.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>,
	dev <dev@dpdk.org>,
	 "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	Feifei Wang <feifei.wang2@arm.com>,
	 "Ruifeng Wang (Arm Technology China)" <ruifeng.wang@arm.com>,
	nd <nd@arm.com>, Feifei Wang <feifei.wang@arm.com>
Subject: Re: [dpdk-dev] [PATCH v2 1/6] eal: reset lcore function pointer and argument
Date: Fri, 10 Sep 2021 10:12:10 +0200	[thread overview]
Message-ID: <CAJFAV8wW581LHzhh67-xYwXkr9quJxdVKWSzOpH21ZebMhH+YA@mail.gmail.com> (raw)
In-Reply-To: <YTsOD+Ht7ajMXIHv@bricha3-MOBL.ger.corp.intel.com>

On Fri, Sep 10, 2021 at 9:49 AM Bruce Richardson
<bruce.richardson@intel.com> wrote:
>
> On Thu, Sep 09, 2021 at 06:13:07PM -0500, Honnappa Nagarahalli wrote:
> > In the rte_eal_remote_launch function, the lcore function pointer is
> > checked for NULL. However, the pointer is never reset to NULL. Reset the
> > lcore function pointer and argument after the worker has completed
> > executing the lcore function.
> >
> No problems with this patch, but just in general observation.  It would be
> good if we had test cases to cover these sorts of problems. If a test were
> added to the autotests for this issue we could observe the issue reproduced
> and easily verify it were fixed by this patch, giving us a high degree of
> confidence in the fix.

+1


-- 
David Marchand


  reply	other threads:[~2021-09-10  8:12 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-24 21:20 [dpdk-dev] [RFC 0/5] Use correct memory ordering in eal functions Honnappa Nagarahalli
2021-02-24 21:20 ` [dpdk-dev] [RFC 1/5] eal: reset lcore function pointer and argument Honnappa Nagarahalli
2021-02-24 21:20 ` [dpdk-dev] [RFC 2/5] eal: ensure memory operations are visible to worker Honnappa Nagarahalli
2021-02-24 21:20 ` [dpdk-dev] [RFC 3/5] eal: lcore state FINISHED is not required Honnappa Nagarahalli
     [not found]   ` <AM5PR0802MB2465B62994239817E0AC46C59E9E9@AM5PR0802MB2465.eurprd08.prod.outlook.com>
2021-02-25  8:44     ` [dpdk-dev] 回复: " Feifei Wang
2021-02-25 23:33       ` [dpdk-dev] " Honnappa Nagarahalli
2021-02-26  8:26         ` Thomas Monjalon
2021-03-02  3:13           ` Honnappa Nagarahalli
2021-03-19 13:42             ` Ananyev, Konstantin
2021-03-30  2:54               ` Honnappa Nagarahalli
2021-03-01  5:55         ` [dpdk-dev] 回复: " Feifei Wang
2021-02-24 21:20 ` [dpdk-dev] [RFC 4/5] eal: ensure memory operations are visible to main Honnappa Nagarahalli
2021-02-24 21:20 ` [dpdk-dev] [RFC 5/5] test/ring: use relaxed barriers for ring stress test Honnappa Nagarahalli
2021-03-01 16:41 ` [dpdk-dev] [RFC 0/5] Use correct memory ordering in eal functions Stephen Hemminger
2021-03-02 16:06   ` Honnappa Nagarahalli
2021-09-09 23:13 ` [dpdk-dev] [PATCH v2 0/6] " Honnappa Nagarahalli
2021-09-09 23:13   ` [dpdk-dev] [PATCH v2 1/6] eal: reset lcore function pointer and argument Honnappa Nagarahalli
2021-09-10  7:49     ` Bruce Richardson
2021-09-10  8:12       ` David Marchand [this message]
2021-09-11 22:19         ` Honnappa Nagarahalli
2021-09-09 23:13   ` [dpdk-dev] [PATCH v2 2/6] eal: ensure memory operations are visible to worker Honnappa Nagarahalli
2021-09-09 23:13   ` [dpdk-dev] [PATCH v2 3/6] eal: lcore state FINISHED is not required Honnappa Nagarahalli
2021-09-09 23:13   ` [dpdk-dev] [PATCH v2 4/6] eal: update rte_eal_wait_lcore definition Honnappa Nagarahalli
2021-09-09 23:37     ` Honnappa Nagarahalli
2021-09-09 23:13   ` [dpdk-dev] [PATCH v2 5/6] eal: ensure memory operations are visible to main Honnappa Nagarahalli
2021-09-09 23:13   ` [dpdk-dev] [PATCH v2 6/6] test/ring: use relaxed barriers for ring stress test Honnappa Nagarahalli
2021-10-07 11:55     ` Ananyev, Konstantin
2021-10-07 23:40       ` Honnappa Nagarahalli
2021-10-25  4:52 ` [dpdk-dev] [PATCH v3 0/4] Use correct memory ordering in eal functions Honnappa Nagarahalli
2021-10-25  4:52   ` [dpdk-dev] [PATCH v3 1/4] eal: reset lcore function pointer and argument Honnappa Nagarahalli
2021-10-25  4:52   ` [dpdk-dev] [PATCH v3 2/4] eal: lcore state FINISHED is not required Honnappa Nagarahalli
2021-10-25  4:52   ` [dpdk-dev] [PATCH v3 3/4] eal: use correct memory ordering Honnappa Nagarahalli
2021-10-25  4:52   ` [dpdk-dev] [PATCH v3 4/4] test/ring: use relaxed barriers for ring stress test Honnappa Nagarahalli
2021-10-25 16:23   ` [dpdk-dev] [PATCH v3 0/4] Use correct memory ordering in eal functions David Marchand

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAJFAV8wW581LHzhh67-xYwXkr9quJxdVKWSzOpH21ZebMhH+YA@mail.gmail.com \
    --to=david.marchand@redhat.com \
    --cc=bruce.richardson@intel.com \
    --cc=dev@dpdk.org \
    --cc=feifei.wang2@arm.com \
    --cc=feifei.wang@arm.com \
    --cc=honnappa.nagarahalli@arm.com \
    --cc=konstantin.ananyev@intel.com \
    --cc=nd@arm.com \
    --cc=ruifeng.wang@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).