netdev - Re: [PATCH v3 bpf-next 0/6] bpf: tailcalls in BPF subprograms

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Message-ID: <20200723175537.GA62715@ranger.igk.intel.com>
Date:   Thu, 23 Jul 2020 19:55:37 +0200
From:   Maciej Fijalkowski <maciej.fijalkowski@...el.com>
To:     ast@...nel.org, daniel@...earbox.net
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org, bjorn.topel@...el.com,
        magnus.karlsson@...el.com
Subject: Re: [PATCH v3 bpf-next 0/6] bpf: tailcalls in BPF subprograms

On Thu, Jul 23, 2020 at 07:35:02PM +0200, Maciej Fijalkowski wrote:
> v2->v3:
> - call map_poke_untrack() on each previously registered subprog's aux
>   struct to prog array if adding poke descriptor or tracking the aux
>   struct failed (Daniel)
> 
I just realized that I don't handle it properly for later cases when for
example subprogram JITing fails :< aux structs will still be exposed,
so probably v4 is needed...