From: David Miller <davem@davemloft.net>
To: danborkmann@iogearbox.net
Cc: iulius.curt@gmail.com, edumazet@google.com, xemul@parallels.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
dbaluta@ixiacom.com, icurt@ixiacom.com, sdumitru@ixiacom.com
Subject: Re: [RFC] packet: change call of synchronize_net to call_rcu
Date: Tue, 04 Sep 2012 12:38:33 -0400 (EDT) [thread overview]
Message-ID: <20120904.123833.1657238734473790349.davem@davemloft.net> (raw)
In-Reply-To: <CAD6jFUSa7gD45m7WdtDymJq-WkGq+kbofkws5n3dGMtuDE6d3A@mail.gmail.com>
From: Daniel Borkmann <danborkmann@iogearbox.net>
Date: Tue, 4 Sep 2012 16:53:06 +0200
> On Tue, Sep 4, 2012 at 4:16 PM, Iulius Curt <iulius.curt@gmail.com> wrote:
>> synchronize_net is called every time we close a PF_PACKET socket which is
>> causing performance loss when doing this on many sockets.
>
> Do you have any particular use case in mind?
I'm curious about this too, it seems rediculous to optimize for this
and that only seriously mis-designed userspace would do something like
this.
prev parent reply other threads:[~2012-09-04 16:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-04 14:16 [RFC] packet: change call of synchronize_net to call_rcu Iulius Curt
2012-09-04 14:53 ` Daniel Borkmann
2012-09-04 16:38 ` David Miller [this message]
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