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lvs-devel
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| To: | Julian Anastasov <ja@xxxxxx> |
|---|---|
| Subject: | Re: [PATCH ipvs-next] ipvs: Remove rcu_read_unlock();rcu_read_lock(); |
| Cc: | Eric Dumazet <eric.dumazet@xxxxxxxxx>, Hans Schillstrom <hans@xxxxxxxxxxxxxxx>, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>, lvs-devel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx, Wensong Zhang <wensong@xxxxxxxxxxxx> |
| From: | Simon Horman <horms@xxxxxxxxxxxx> |
| Date: | Fri, 26 Apr 2013 09:28:16 +0900 |
On Thu, Apr 25, 2013 at 10:46:55PM +0300, Julian Anastasov wrote:
>
> Hello,
>
> On Thu, 25 Apr 2013, Eric Dumazet wrote:
>
> > On Thu, 2013-04-25 at 22:36 +0900, Simon Horman wrote:
> >
> > > Ok, leaving it seems reasonable.
> > > Pablo, do you have any objections?
> >
> > I have objections.
> >
> > I would _add_ a cond_resched() there to explicitly do what we want
> >
> > Maybe a macro/inline doing this already exists.
> >
> > static void inline cond_resched_rcu_lock(void)
> > {
> > if (need_resched()) {
> > rcu_read_unlock();
> > cond_resched();
> > rcu_read_lock();
> > }
> > }
>
> Thanks, looks like a good idea to me, I guess
> its place is include/linux/sched.h. Simon, can you prepare
> 2 patches instead, one for cond_resched_rcu_lock and second
> for ipvs?
Sure, will do.
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