netdev - Re: [PATCH net-next] ipv6: avoid taking locks at socket dismantle

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] [day] [month] [year] [list]

Date:	Wed, 05 Dec 2012 16:26:20 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] ipv6: avoid taking locks at socket dismantle

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 05 Dec 2012 11:18:10 -0800

> From: Eric Dumazet <edumazet@...gle.com>
> 
> ipv6_sock_mc_close() is called for ipv6 sockets at close time, and most
> of them don't use multicast.
> 
> Add a test to avoid contention on a shared spinlock.
> 
> Same heuristic applies for ipv6_sock_ac_close(), to avoid contention
> on a shared rwlock.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied.
--
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