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From: ebiederm@xmission.com (Eric W. Biederman)
To: Christian Brauner <christian.brauner@ubuntu.com>
Cc: davem@davemloft.net,  netdev@vger.kernel.org,
	 linux-kernel@vger.kernel.org,  avagin@virtuozzo.com,
	 ktkhai@virtuozzo.com,  serge@hallyn.com,
	 gregkh@linuxfoundation.org
Subject: Re: [PATCH net-next 2/2] netns: isolate seqnums to use per-netns locks
Date: Wed, 18 Apr 2018 11:55:52 -0500	[thread overview]
Message-ID: <874lk8wj1j.fsf@xmission.com> (raw)
In-Reply-To: <20180418152106.18519-3-christian.brauner@ubuntu.com> (Christian Brauner's message of "Wed, 18 Apr 2018 17:21:06 +0200")

Christian Brauner <christian.brauner@ubuntu.com> writes:

> Now that it's possible to have a different set of uevents in different
> network namespaces, per-network namespace uevent sequence numbers are
> introduced. This increases performance as locking is now restricted to the
> network namespace affected by the uevent rather than locking
> everything.

Numbers please.  I personally expect that the netlink mc_list issues
will swamp any benefit you get from this.

Eric

  reply	other threads:[~2018-04-18 16:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-18 15:21 [PATCH net-next 0/2] netns: uevent performance tweaks Christian Brauner
2018-04-18 15:21 ` [PATCH net-next 1/2] netns: restrict uevents Christian Brauner
2018-04-18 15:21 ` [PATCH net-next 2/2] netns: isolate seqnums to use per-netns locks Christian Brauner
2018-04-18 16:55   ` Eric W. Biederman [this message]
2018-04-18 21:52     ` Christian Brauner
2018-04-20 13:56       ` Christian Brauner
2018-04-20 16:16         ` Christian Brauner
2018-04-21 15:49           ` Christian Brauner
2018-04-23  2:39   ` kbuild test robot
2018-04-23 10:12     ` Christian Brauner

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