From: Robert Olsson <Robert.Olsson@data.slu.se>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Robert Olsson <Robert.Olsson@data.slu.se>,
"David S. Miller" <davem@davemloft.net>,
dada1@cosmosbay.com, netdev@oss.sgi.com
Subject: Re: [BUG] overflow in net/ipv4/route.c rt_check_expire()
Date: Mon, 4 Apr 2005 12:27:43 +0200 [thread overview]
Message-ID: <16977.5791.367581.655483@robur.slu.se> (raw)
In-Reply-To: <20050403214521.GB15901@gondor.apana.org.au>
Herbert Xu writes:
> The reason I'm suggesting the move to a kernel thread is because
> softirq context is not preemptible.
>
> So doing a large amount of work in it when your table is big means
> that a UP machine will freeze for a while.
The flush transient will happen also on UP... as I understand this
When we have changed the rt_hash_rnd and therefore invalidated all current
entries it would be best to blackhole *all* traffic until all old entries
are deleted this to avoid transients.
--ro
next prev parent reply other threads:[~2005-04-04 10:27 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-15 16:13 [PATCH] no more rwlock_t inside tcp_ehash_bucket Eric Dumazet
2005-03-15 18:32 ` David S. Miller
2005-03-16 10:47 ` [BUG] overflow in net/ipv4/route.c rt_check_expire() Eric Dumazet
2005-03-16 18:05 ` [PATCH] reduce sizeof(struct inet_peer) from 128 to 64 bytes on 64bits architectures Eric Dumazet
2005-03-16 22:10 ` David S. Miller
2005-03-16 22:09 ` [BUG] overflow in net/ipv4/route.c rt_check_expire() David S. Miller
2005-03-17 19:52 ` Eric Dumazet
2005-04-01 6:13 ` David S. Miller
2005-04-01 14:39 ` Eric Dumazet
2005-04-01 15:53 ` Robert Olsson
2005-04-01 16:34 ` Eric Dumazet
2005-04-01 17:26 ` Robert Olsson
2005-04-01 20:28 ` David S. Miller
2005-04-01 21:05 ` Eric Dumazet
2005-04-01 21:08 ` David S. Miller
2005-04-01 21:43 ` Eric Dumazet
2005-04-01 22:34 ` David S. Miller
2005-04-01 23:21 ` Eric Dumazet
2005-04-01 23:54 ` David S. Miller
2005-04-02 8:21 ` Herbert Xu
2005-04-02 9:21 ` Eric Dumazet
2005-04-02 11:23 ` Get rid of rt_check_expire and rt_garbage_collect Herbert Xu
2005-04-02 13:58 ` Eric Dumazet
2005-04-02 14:03 ` Robert Olsson
2005-04-02 21:05 ` jamal
2005-04-03 7:38 ` Herbert Xu
2005-04-03 7:41 ` Herbert Xu
2005-04-02 13:48 ` [BUG] overflow in net/ipv4/route.c rt_check_expire() Robert Olsson
2005-04-02 14:10 ` Eric Dumazet
2005-04-02 14:46 ` Robert Olsson
2005-04-02 20:47 ` jamal
2005-04-02 19:32 ` Herbert Xu
2005-04-02 19:55 ` David S. Miller
2005-04-03 7:43 ` Herbert Xu
2005-04-03 19:57 ` Robert Olsson
2005-04-03 21:45 ` Herbert Xu
2005-04-04 10:27 ` Robert Olsson [this message]
2005-04-04 10:38 ` Herbert Xu
2005-04-04 12:29 ` Robert Olsson
2005-04-03 19:36 ` Robert Olsson
2005-04-03 21:43 ` Herbert Xu
2005-04-04 10:38 ` Robert Olsson
2005-04-04 10:48 ` Herbert Xu
2005-04-04 13:17 ` Robert Olsson
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