linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jiri Pirko <jiri@resnulli.us>
To: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Vlad Buslov <vladbu@mellanox.com>,
	netdev@vger.kernel.org, davem@davemloft.net,
	xiyou.wangcong@gmail.com, pablo@netfilter.org,
	kadlec@blackhole.kfki.hu, fw@strlen.de, ast@kernel.org,
	daniel@iogearbox.net, edumazet@google.com, keescook@chromium.org,
	linux-kernel@vger.kernel.org, netfilter-devel@vger.kernel.org,
	coreteam@netfilter.org, kliteyn@mellanox.com
Subject: Re: [PATCH 00/14] Modify action API for implementing lockless actions
Date: Tue, 15 May 2018 10:20:43 +0200	[thread overview]
Message-ID: <20180515082043.GH2134@nanopsycho.orion> (raw)
In-Reply-To: <23f37e5a-dd30-0ad3-a5ab-df22bf0ad7f9@mojatatu.com>

Mon, May 14, 2018 at 08:03:20PM CEST, jhs@mojatatu.com wrote:
>On 14/05/18 10:27 AM, Vlad Buslov wrote:
>> Currently, all netlink protocol handlers for updating rules, actions and
>> qdiscs are protected with single global rtnl lock which removes any
>> possibility for parallelism. This patch set is a first step to remove
>> rtnl lock dependency from TC rules update path. It updates act API to
>> use atomic operations, rcu and spinlocks for fine-grained locking. It
>> also extend API with functions that are needed to update existing
>> actions for parallel execution.
>> 
>> Outline of changes:
>> - Change tc action to use atomic reference and bind counters, rcu
>>    mechanism for cookie update.
>> - Extend action ops API with 'delete' function and 'unlocked' flag.
>> - Change action API to work with actions in lockless manner based on
>>    primitives implemented in previous patches.
>> - Extend action API with new functions necessary to implement unlocked
>>    actions.
>
>Please run all the tdc tests with these changes. This area has almost
>good test coverage at this point. If you need help just ping me.

Oh, that reminds me. Vlad, please run also:
tools/testing/selftests/net/forwarding/tc_*

Thanks!

  parent reply	other threads:[~2018-05-15  8:20 UTC|newest]

Thread overview: 86+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-14 14:27 [PATCH 00/14] Modify action API for implementing lockless actions Vlad Buslov
2018-05-14 14:27 ` [PATCH 01/14] net: sched: use rcu for action cookie update Vlad Buslov
2018-05-14 15:10   ` Jiri Pirko
2018-05-14 23:39   ` kbuild test robot
2018-05-14 14:27 ` [PATCH 02/14] net: sched: change type of reference and bind counters Vlad Buslov
2018-05-14 15:11   ` Jiri Pirko
2018-05-19 21:04   ` Marcelo Ricardo Leitner
2018-05-20 10:55     ` Vlad Buslov
2018-05-14 14:27 ` [PATCH 03/14] net: sched: add 'delete' function to action ops Vlad Buslov
2018-05-14 15:12   ` Jiri Pirko
2018-05-14 16:30     ` Jiri Pirko
2018-05-14 14:27 ` [PATCH 04/14] net: sched: implement unlocked action init API Vlad Buslov
2018-05-14 15:16   ` Jiri Pirko
2018-05-19 21:11     ` Marcelo Ricardo Leitner
2018-05-14 14:27 ` [PATCH 05/14] net: sched: always take reference to action Vlad Buslov
2018-05-14 16:23   ` Jiri Pirko
2018-05-14 18:49     ` Vlad Buslov
2018-05-15  8:58       ` Jiri Pirko
2018-05-15 11:52         ` Vlad Buslov
2018-05-15  1:38   ` kbuild test robot
2018-05-15  1:38   ` [RFC PATCH] net: sched: __tcf_idr_check() can be static kbuild test robot
2018-05-14 14:27 ` [PATCH 06/14] net: sched: implement reference counted action release Vlad Buslov
2018-05-14 16:28   ` Jiri Pirko
2018-05-14 16:47   ` Jiri Pirko
2018-05-14 19:07     ` Vlad Buslov
2018-05-15  9:03       ` Jiri Pirko
2018-05-15  9:16         ` Vlad Buslov
2018-05-19 21:43   ` Marcelo Ricardo Leitner
2018-05-20  6:22     ` Jiri Pirko
2018-05-20 10:59       ` Vlad Buslov
2018-05-14 14:27 ` [PATCH 07/14] net: sched: use reference counting action init Vlad Buslov
2018-05-15 11:24   ` Jiri Pirko
2018-05-15 11:32     ` Vlad Buslov
2018-05-15 11:39       ` Jiri Pirko
2018-05-15 11:41         ` Vlad Buslov
2018-05-15 11:57           ` Jiri Pirko
2018-05-15 12:00             ` Vlad Buslov
2018-05-14 14:27 ` [PATCH 08/14] net: sched: account for temporary action reference Vlad Buslov
2018-05-16  7:12   ` Jiri Pirko
2018-05-14 14:27 ` [PATCH 09/14] net: sched: don't release reference on action overwrite Vlad Buslov
2018-05-16  7:43   ` Jiri Pirko
2018-05-16  7:47     ` Vlad Buslov
2018-05-16  7:50       ` Jiri Pirko
2018-05-19 21:52   ` Marcelo Ricardo Leitner
2018-05-20 18:42     ` Vlad Buslov
2018-05-14 14:27 ` [PATCH 10/14] net: sched: extend act API for lockless actions Vlad Buslov
2018-05-16  7:50   ` Jiri Pirko
2018-05-16  8:16     ` Vlad Buslov
2018-05-16  8:56       ` Jiri Pirko
2018-05-16  9:39         ` Vlad Buslov
2018-05-19 22:17   ` Marcelo Ricardo Leitner
2018-05-14 14:27 ` [PATCH 11/14] net: core: add new/replace rate estimator lock parameter Vlad Buslov
2018-05-16  9:54   ` Jiri Pirko
2018-05-16 10:00     ` Vlad Buslov
2018-05-16 10:11       ` Jiri Pirko
2018-05-14 14:27 ` [PATCH 12/14] net: sched: retry action check-insert on concurrent modification Vlad Buslov
2018-05-16  9:59   ` Jiri Pirko
2018-05-16 11:55     ` Vlad Buslov
2018-05-16 12:26       ` Jiri Pirko
2018-05-16 12:43         ` Vlad Buslov
2018-05-16 13:21           ` Jiri Pirko
2018-05-16 13:52             ` Vlad Buslov
2018-05-16 14:13               ` Jiri Pirko
2018-05-16 14:26                 ` Vlad Buslov
2018-05-16 14:55                   ` Jiri Pirko
2018-05-19 22:35             ` Marcelo Ricardo Leitner
2018-05-14 14:27 ` [PATCH 13/14] net: sched: use unique idr insert function in unlocked actions Vlad Buslov
2018-05-16  9:50   ` Jiri Pirko
2018-05-16  9:54     ` Vlad Buslov
2018-05-19 22:20   ` Marcelo Ricardo Leitner
2018-05-20 21:13     ` Or Gerlitz
2018-05-20 21:33       ` Marcelo Ricardo Leitner
2018-05-20 21:40         ` Or Gerlitz
2018-05-20 22:43           ` Marcelo Ricardo Leitner
2018-05-14 14:27 ` [PATCH 14/14] net: sched: implement delete for all actions Vlad Buslov
2018-05-16  9:48   ` Jiri Pirko
2018-05-16  9:58     ` Vlad Buslov
2018-05-19 22:45       ` Marcelo Ricardo Leitner
2018-05-14 18:03 ` [PATCH 00/14] Modify action API for implementing lockless actions Jamal Hadi Salim
2018-05-14 20:46   ` Vlad Buslov
2018-05-15 18:25     ` Jamal Hadi Salim
2018-05-15 21:21       ` Vlad Buslov
2018-05-15  8:20   ` Jiri Pirko [this message]
2018-05-24 23:34 ` Cong Wang
2018-05-25 20:39   ` Vlad Buslov
2018-05-25 21:40     ` Cong Wang

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=20180515082043.GH2134@nanopsycho.orion \
    --to=jiri@resnulli.us \
    --cc=ast@kernel.org \
    --cc=coreteam@netfilter.org \
    --cc=daniel@iogearbox.net \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=fw@strlen.de \
    --cc=jhs@mojatatu.com \
    --cc=kadlec@blackhole.kfki.hu \
    --cc=keescook@chromium.org \
    --cc=kliteyn@mellanox.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=netfilter-devel@vger.kernel.org \
    --cc=pablo@netfilter.org \
    --cc=vladbu@mellanox.com \
    --cc=xiyou.wangcong@gmail.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).