On Mon, 7 Feb 2022 11:07:06 -0800 Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@xxxxxxxxxx>
>
> Commit fb8696ab14ad ("can: gw: synchronize rcu operations
> before removing gw job entry") added three synchronize_rcu() calls
> to make sure one rcu grace period was observed before freeing
> a "struct cgw_job" (which are tiny objects).
>
> This should be converted to call_rcu() to avoid adding delays
> in device / network dismantles.
>
> Use the rcu_head that was already in struct cgw_job,
> not yet used.
>
> Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
> Cc: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Adding Marc and linux-can to CC.
