On 04/02/2019 11:28 PM, Florian Westphal wrote:
> syzbot reports:
> BUG: using __this_cpu_read() in preemptible code:
> caller is dev_recursion_level include/linux/netdevice.h:3052 [inline]
> __this_cpu_preempt_check+0x246/0x270 lib/smp_processor_id.c:47
> dev_recursion_level include/linux/netdevice.h:3052 [inline]
> ip6_skb_dst_mtu include/net/ip6_route.h:245 [inline]
>
> I erronously downgraded a this_cpu_read to __this_cpu_read when
> moving dev_recursion_level() around.
>
Reviewed-by: Eric Dumazet <eduma...@google.com>
