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Date: Sun, 03 Feb 2019 11:40:05 -0800 (PST) From: David Miller <davem@...emloft.net> To: f.fainelli@...il.com Cc: netdev@...r.kernel.org, linus.luessing@...3.blue, andrew@...n.ch, roopa@...ulusnetworks.com, nikolay@...ulusnetworks.com, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org, sbrivio@...hat.com, liuhangbin@...il.com, linux-kernel@...r.kernel.org, bridge@...ts.linux-foundation.org Subject: Re: [PATCH net-next] net: Fix ip_mc_{dec,inc}_group allocation context From: Florian Fainelli <f.fainelli@...il.com> Date: Fri, 1 Feb 2019 20:20:52 -0800 > After 4effd28c1245 ("bridge: join all-snoopers multicast address"), I > started seeing the following sleep in atomic warnings: ... > while toggling the bridge's multicast_snooping attribute dynamically. > > Pass a gfp_t down to igmpv3_add_delrec(), introduce > __igmp_group_dropped() and introduce __ip_mc_dec_group() to take a gfp_t > argument. > > Similarly introduce ____ip_mc_inc_group() and __ip_mc_inc_group() to > allow caller to specify gfp_t. > > IPv6 part of the patch appears fine. > > Fixes: 4effd28c1245 ("bridge: join all-snoopers multicast address") > Signed-off-by: Florian Fainelli <f.fainelli@...il.com> Applied. Maybe you could submit a quick test case since you had a reproducer?
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