From: Jarek Poplawski <jarkao2@gmail.com>
To: James Chapman <jchapman@katalix.com>
Cc: David Miller <davem@davemloft.net>,
Paul Mackerras <paulus@samba.org>,
netdev@vger.kernel.org
Subject: Re: [PATCH][PPPOL2TP]: Fix SMP oops in pppol2tp driver
Date: Thu, 21 Feb 2008 18:09:04 +0100 [thread overview]
Message-ID: <47BDB030.1050105@gmail.com> (raw)
In-Reply-To: <20080221120829.GB12944@ff.dom.local>
Jarek Poplawski wrote, On 02/21/2008 01:08 PM:
...
> Another, probably simpler way would be to move almost all pppol2tp_xmit
...
Actually, the simplest off all seems to be now this old idea to maybe make
sk_dst_lock globally softirq immune. At least I think it's worth of testing,
to check for these other possible lockdep warnings. It should only need to
change all write_ and read_lock(&sk->sk_dst_lock) in very few places:
include/net/sock.h, include/net/ip6_route.h, and net/ipv6/ipv6_sockglue.c.
This could be tested together with you full _bh locking patch (maybe except
these other changes in pppol2tp_xmit).
Jarek P.
next prev parent reply other threads:[~2008-02-21 17:05 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-11 9:22 [PATCH][PPPOL2TP]: Fix SMP oops in pppol2tp driver James Chapman
2008-02-11 18:57 ` Jarek Poplawski
2008-02-11 22:19 ` James Chapman
2008-02-11 22:49 ` Jarek Poplawski
2008-02-11 22:55 ` Jarek Poplawski
2008-02-11 23:42 ` James Chapman
2008-02-12 10:42 ` Jarek Poplawski
2008-02-11 23:41 ` James Chapman
2008-02-12 5:30 ` David Miller
2008-02-12 10:58 ` James Chapman
2008-02-12 13:24 ` Jarek Poplawski
2008-02-13 6:00 ` David Miller
2008-02-13 7:29 ` Jarek Poplawski
2008-02-14 13:00 ` Jarek Poplawski
2008-02-18 22:09 ` James Chapman
2008-02-18 23:01 ` Jarek Poplawski
2008-02-19 9:09 ` James Chapman
2008-02-19 4:29 ` David Miller
2008-02-19 9:03 ` James Chapman
2008-02-19 10:30 ` Jarek Poplawski
2008-02-19 10:36 ` Jarek Poplawski
2008-02-19 14:37 ` James Chapman
2008-02-19 23:06 ` Jarek Poplawski
2008-02-19 23:28 ` Jarek Poplawski
2008-02-20 16:02 ` James Chapman
2008-02-20 18:38 ` Jarek Poplawski
2008-02-20 22:37 ` James Chapman
2008-02-21 8:59 ` Jarek Poplawski
2008-02-21 9:53 ` James Chapman
2008-02-21 12:08 ` Jarek Poplawski
2008-02-21 17:09 ` Jarek Poplawski [this message]
2008-02-25 12:19 ` James Chapman
2008-02-25 13:05 ` Jarek Poplawski
2008-02-25 13:39 ` Jarek Poplawski
2008-02-25 14:02 ` Jarek Poplawski
2008-02-25 21:58 ` Jarek Poplawski
2008-02-26 12:14 ` James Chapman
2008-02-26 13:03 ` Jarek Poplawski
2008-02-26 13:18 ` Jarek Poplawski
2008-02-26 20:00 ` Jarek Poplawski
2008-03-02 20:29 ` James Chapman
2008-03-03 8:22 ` Jarek Poplawski
2008-03-03 9:35 ` Jarek Poplawski
2008-02-27 10:54 ` [PATCH][PPPOL2TP] add missing sock_put() in pppol2tp_recv_dequeue() Jarek Poplawski
2008-03-02 20:31 ` James Chapman
2008-03-04 4:49 ` David Miller
2008-02-27 11:48 ` [PATCH][PPPOL2TP] add missing sock_put() in pppol2tp_tunnel_closeall() Jarek Poplawski
2008-03-02 20:32 ` James Chapman
2008-03-04 4:49 ` David Miller
2008-02-22 14:16 ` [PATCH][NET] sock.c: sk_dst_lock lockdep keys and names per af_family Jarek Poplawski
2008-02-12 7:19 ` [PATCH][PPPOL2TP]: Fix SMP oops in pppol2tp driver Jarek Poplawski
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