Hello Eric, Tom, > > this_cpu_ptr() in preemptible context is generally bad > > > > Sep 22 05:05:55 br kernel: [ 94.608310] BUG: using smp_processor_id() > > in > > preemptible [00000000] code: ip/2261 > > Sep 22 05:05:55 br kernel: [ 94.608316] caller is > > tunnel_dst_set.isra.28+0x20/0x60 [ip_tunnel] > > Sep 22 05:05:55 br kernel: [ 94.608319] CPU: 3 PID: 2261 Comm: ip Not > > tainted > > 3.17.0-rc5 #82 > > > > We can simply use raw_cpu_ptr(), as preemption is safe in these > > contexts. > > > > Should fix https://bugzilla.kernel.org/show_bug.cgi?id=84991 > > Thanks, the fix worked. I do not see the BUG message anymore. Joe