Re: [RFC] time: xtime_lock is held too long

From: Eric Dumazet
Date: Fri May 06 2011 - 15:26:53 EST


Le vendredi 06 mai 2011 Ã 19:50 +0200, Andi Kleen a Ãcrit :
> On Fri, May 06, 2011 at 07:42:47PM +0200, Eric Dumazet wrote:
> > Le vendredi 06 mai 2011 Ã 18:59 +0200, Andi Kleen a Ãcrit :
> >
> > > If you have a better way to make it faster please share it.
> >
> > Ideally we could use RCU :)
>
> Hmm, I didn't think my case had a lot of loops in the seqlock -- just
> expensive cache misses -- but I should double check.
>
> For the lots of loop case we probably need to understand first why you
> iterate that often.

Yep, I'll try to investigate on this

Thanks !


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