netdev - Re: [Bridge] [PATCH] bridge: per-cpu packet statistics

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]

Date:	Tue, 16 Mar 2010 10:48:12 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org,
	bridge@...ts.linux-foundation.org, davem@...emloft.net
Subject: Re: [Bridge] [PATCH]  bridge: per-cpu packet statistics

Stephen Hemminger <shemminger@...tta.com> wrote:
>
> Bridge is already using lockless transmit LLTX, so tx_lock is not touched.

LLTX doesn't actually buy you anything since you're still going
through a single qdisc.  To get the full benefits of the per-cpu
counters you need to implement multiqueue support in the bridge.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
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