Re: [PATCH v3 net-next 14/15] net: Reference bpf_redirect_info via task_struct on PREEMPT_RT.

[Jesper Dangaard Brouer]

On 31/05/2024 12.38, Sebastian Andrzej Siewior wrote:
> On 2024-05-30 00:09:21 [+0200], Toke Høiland-Jørgensen wrote:
> > [...]
> > > @@ -240,12 +240,14 @@ static int cpu_map_bpf_prog_run(struct bpf_cpu_map_entry *rcpu, void **frames,
> > >   				int xdp_n, struct xdp_cpumap_stats *stats,
> > >   				struct list_head *list)
> > >   {
> > > +	struct bpf_net_context __bpf_net_ctx, *bpf_net_ctx;
> > >   	int nframes;
>>
> > I think we need to zero-initialise all the context objects we allocate
> > on the stack.
> Okay, I can do that.

Hmm, but how will this affect performance?

--Jesper