Tariq Toukan <tar...@mellanox.com> wrote: > On 5/31/2019 7:27 PM, Florian Westphal wrote: > > ifa_list is protected by rcu, yet code doesn't reflect this. > > > > Add the __rcu annotations and fix up all places that are now reported by > > sparse. > > > > I've done this in the same commit to not add intermediate patches that > > result in new warnings. > > > > Reported-by: Eric Dumazet <eduma...@google.com> > > Signed-off-by: Florian Westphal <f...@strlen.de> > > Hi Florian, > > Our verification team bisected a degradation [1], seems to be in this patch. > I see you already posted one fix for it [2], but it does not solve. > Any idea?
Thanks for the report, is there are reproducer? > [2019-06-11 22:38:19] 8021q: adding VLAN 0 to HW filter on device ens8f1 > [2019-06-11 22:38:47] watchdog: BUG: soft lockup - CPU#4 stuck for 22s! > [ifconfig:32042] > [2019-06-11 22:38:47] RIP: 0010:__inet_del_ifa+0xa5/0x300 I will have look later today.