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Date: Sat, 19 Feb 2011 18:59:46 -0800 (PST) From: David Miller <davem@...emloft.net> To: eric.dumazet@...il.com Cc: ebiederm@...ssion.com, acme@...hat.com, torvalds@...ux-foundation.org, mhocko@...e.cz, mingo@...e.hu, linux-mm@...ck.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, xemul@...nvz.org, daniel.lezcano@...e.fr Subject: Re: [PATCH] tcp: fix inet_twsk_deschedule() From: Eric Dumazet <eric.dumazet@...il.com> Date: Sat, 19 Feb 2011 09:35:56 +0100 > [PATCH] tcp: fix inet_twsk_deschedule() > > Eric W. Biederman reported a lockdep splat in inet_twsk_deschedule() > > This is caused by inet_twsk_purge(), run from process context, > and commit 575f4cd5a5b6394577 (net: Use rcu lookups in inet_twsk_purge.) > removed the BH disabling that was necessary. > > Add the BH disabling but fine grained, right before calling > inet_twsk_deschedule(), instead of whole function. > > With help from Linus Torvalds and Eric W. Biederman > > Reported-by: Eric W. Biederman <ebiederm@...ssion.com> > Signed-off-by: Eric Dumazet <eric.dumazet@...il.com> > CC: Daniel Lezcano <daniel.lezcano@...e.fr> > CC: Pavel Emelyanov <xemul@...nvz.org> > CC: Arnaldo Carvalho de Melo <acme@...hat.com> > CC: stable <stable@...nel.org> (# 2.6.33+) Applied, thanks Eric. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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