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

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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




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