From: Or Gerlitz <[email protected]>
Date: Sun, 12 Feb 2017 11:21:31 +0200
> When called by HW offloading drivers, the TC action (e.g
> net/sched/act_mirred.c) code uses this_cpu logic, e.g
>
> _bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), bytes, packets)
>
> per the kernel documention, preemption should be disabled, add that.
>
> Before the fix, when running with CONFIG_PREEMPT set, we get a
>
> BUG: using smp_processor_id() in preemptible [00000000] code: tc/3793
>
> asserion from the TC action (mirred) stats_update callback.
>
> Fixes: aad7e08d39bd ('net/mlx5e: Hardware offloaded flower filter statistics
> support')
> Signed-off-by: Or Gerlitz <[email protected]>
Applied and queued up for -stable, thanks Or.
