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Date: Thu, 21 Feb 2008 18:09:04 +0100 From: Jarek Poplawski <jarkao2@...il.com> To: James Chapman <jchapman@...alix.com> CC: David Miller <davem@...emloft.net>, Paul Mackerras <paulus@...ba.org>, netdev@...r.kernel.org Subject: Re: [PATCH][PPPOL2TP]: Fix SMP oops in pppol2tp driver 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. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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