From: Florian Westphal <fw@strlen.de>
To: Andrey Konovalov <andreyknvl@google.com>
Cc: Florian Westphal <fw@strlen.de>,
Eric Dumazet <edumazet@google.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
netdev <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Dmitry Vyukov <dvyukov@google.com>,
Kostya Serebryany <kcc@google.com>,
syzkaller <syzkaller@googlegroups.com>
Subject: Re: net: cleanup_net is slow
Date: Mon, 24 Apr 2017 14:08:35 +0200 [thread overview]
Message-ID: <20170424120835.GA20444@breakpoint.cc> (raw)
In-Reply-To: <CAAeHK+zwsdzVrgwLccbXs7QUEsFkeTL13_AfNKMD1G2BkOr0eg@mail.gmail.com>
Andrey Konovalov <andreyknvl@google.com> wrote:
> On Fri, Apr 21, 2017 at 9:45 PM, Florian Westphal <fw@strlen.de> wrote:
> > Florian Westphal <fw@strlen.de> wrote:
> >> Indeed. Setting net.netfilter.nf_conntrack_default_on=0 cuts time
> >> cleanup time by 2/3 ...
> >>
> >> nf unregister is way too happy to issue synchronize_net(), I'll work on
> >> a fix.
> >
> > I'll test this patch as a start. Maybe we can also leverage exit_batch
> > more on netfilter side.
>
> Hi Florian,
>
> Your patch improves fuzzing speed at least twice, which is a great start!
Great. I'll try to push the patches i have to nf-next ASAP.
next prev parent reply other threads:[~2017-04-24 12:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-21 17:50 net: cleanup_net is slow Andrey Konovalov
2017-04-21 17:57 ` Eric Dumazet
2017-04-21 19:27 ` Florian Westphal
2017-04-21 19:45 ` Florian Westphal
2017-04-24 11:58 ` Andrey Konovalov
2017-04-24 12:08 ` Florian Westphal [this message]
2017-04-21 19:45 ` Dmitry Vyukov
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