netdev - Re: [Patch net-next v2] ipv4: get rid of ip_ra

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:   Fri, 28 Apr 2017 23:15:16 +0200
From:   Hannes Frederic Sowa <hannes@...essinduktion.org>
To:     Cong Wang <xiyou.wangcong@...il.com>, netdev@...r.kernel.org
Subject: Re: [Patch net-next v2] ipv4: get rid of ip_ra_lock

On 28.04.2017 19:04, Cong Wang wrote:
> After commit 1215e51edad1 ("ipv4: fix a deadlock in ip_ra_control")
> we always take RTNL lock for ip_ra_control() which is the only place
> we update the list ip_ra_chain, so the ip_ra_lock is no longer needed.
> 
> As Eric points out, BH does not need to disable either, RCU readers
> don't care.
> 
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org>