netdev - Re: [RFT 3/4] Use mod_timer_noact to remove nf_conntrack

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <499C19BE.7090407@cosmosbay.com>
Date:	Wed, 18 Feb 2009 15:22:54 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Patrick McHardy <kaber@...sh.net>
CC:	Stephen Hemminger <shemminger@...tta.com>,
	David Miller <davem@...emloft.net>,
	Rick Jones <rick.jones2@...com>, netdev@...r.kernel.org,
	tglx@...utronix.de, netfilter-devel@...r.kernel.org,
	Martin Josefsson <gandalf@...g.westbo.se>
Subject: Re: [RFT 3/4] Use mod_timer_noact to remove nf_conntrack_lock

Patrick McHardy a écrit :
> Eric Dumazet wrote:
>> Unfortunatly, this patch changes nothing, as most of the time, do_acct
>> is true.
>>
>> We also need to fine lock the accounting part as well.
>>
>>     spin_lock_bh(&ct->some_lock);
>>     acct = nf_conn_acct_find(ct);
>>     if (acct) {
>>         acct[CTINFO2DIR(ctinfo)].packets++;
>>         acct[CTINFO2DIR(ctinfo)].bytes +=
>>             skb->len - skb_network_offset(skb);
>>     }
>>     spin_unlock_bh(&ct->some_lock);
>>
> 
> Its currently still enabled by default, but we intend to change that.
> After that I guess almost nobody will have it enabled.
> 
> 

Really ? I find this accounting stuff really useful and always enable it :)


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html