From: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org
Subject: Re: [PATCH 4/6] net neighbour: convert to RCU
Date: Wed, 30 Aug 2006 03:36:07 +0400 [thread overview]
Message-ID: <20060829233607.GA20359@ms2.inr.ac.ru> (raw)
In-Reply-To: <20060829160022.552d46e0@dxpl.pdx.osdl.net>
Hello!
Yes, I forgot to say I take back my suggestion about atomic_inc_test_zero().
It would not work.
Seems, it is possible to add some barriers around setting n->dead
and testing it in neigh_lookup_rcu(), but it would be scary and ugly.
To be honest, I just do not know how to do this. :-)
next prev parent reply other threads:[~2006-08-29 23:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-28 23:07 [PATCH 0/6] Lockless neighbour table Stephen Hemminger
2006-08-28 23:07 ` [PATCH 1/6] net neighbor: convert top level list to RCU Stephen Hemminger
2006-08-28 23:07 ` [PATCH 2/6] neighbour: convert neighbour hash table to hlist Stephen Hemminger
2006-08-28 23:07 ` [PATCH 3/6] neighbour: convert pneigh " Stephen Hemminger
2006-08-28 23:07 ` [PATCH 4/6] net neighbour: convert to RCU Stephen Hemminger
2006-08-29 15:28 ` Alexey Kuznetsov
2006-08-29 18:22 ` Stephen Hemminger
2006-08-29 18:34 ` Martin Josefsson
2006-08-29 20:17 ` Stephen Hemminger
2006-08-29 21:17 ` Alexey Kuznetsov
2006-08-29 21:46 ` Stephen Hemminger
2006-08-29 22:16 ` Alexey Kuznetsov
2006-08-29 23:00 ` Stephen Hemminger
2006-08-29 23:21 ` Alexey Kuznetsov
2006-08-29 23:49 ` Stephen Hemminger
2006-08-30 0:06 ` Alexey Kuznetsov
2006-08-29 23:36 ` Alexey Kuznetsov [this message]
2006-08-28 23:07 ` [PATCH 5/6] neighbour: convert lookup to sequence lock Stephen Hemminger
2006-08-28 23:07 ` [PATCH 6/6] neighbour: convert hard header cache to sequence number Stephen Hemminger
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