On 4/18/18 11:06 AM, Eric Dumazet wrote: > > > On 04/17/2018 05:33 PM, David Ahern wrote: >> Most FIB entries can be added using memory allocated with GFP_KERNEL. >> Add gfp_flags to ip6_route_add and addrconf_dst_alloc. Code paths that >> can be reached from the packet path (e.g., ndisc and autoconfig) or >> atomic notifiers use GFP_ATOMIC; paths from user context (adding >> addresses and routes) use GFP_KERNEL. >> >> Signed-off-by: David Ahern <dsah...@gmail.com> >> --- > > > Hmmm.... > > ipv6_ifa_notify() calls __ipv6_ifa_notify() under > rcu_read_lock_bh()/rcu_read_unlock_bh() > > So using GFP_KERNEL in __ipv6_ifa_notify() is certainly not allowed. > >
Thanks for catching that. Will add fix to my followup set.