lkml.org 
[lkml]   [2015]   [Sep]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] ipvs:Fix locking requirements in the function ip_vs_unlink_service

Hello,

On Sat, 12 Sep 2015, Nicholas Krause wrote:

> This fixes locking requirements in the function ip_vs_unlink_service
> to properly use bottom half spinlocking around the call to the function
> __ip_vs_del_service in order to meet the locking that this paricular
> function requires as stated in it's comments related to locking.

> + spin_lock_bh(&svc->sched_lock);
> __ip_vs_del_service(svc, cleanup);
> + spin_unlock_bh(&svc->sched_lock);

BH locking is not needed anymore. Also, sched_lock is
used by schedulers to protect only access to svc->sched_data
fields.

It seems the comment is outdated after
commit ceec4c381681 ("ipvs: convert services to rcu").

Regards

--
Julian Anastasov <ja@ssi.bg>


\
 
 \ /
  Last update: 2015-09-12 08:41    [W:0.026 / U:0.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site