Re: [PATCH bpf] bpf: sockmap, fix preempt_rt splat when using raw_spin_lock_t

[Daniel Borkmann <daniel@xxxxxxxxxxxxx>]

On 8/30/23 7:35 AM, John Fastabend wrote:
[...]
>   net/core/sock_map.c | 36 ++++++++++++++++++------------------
>   1 file changed, 18 insertions(+), 18 deletions(-)
>
> diff --git a/net/core/sock_map.c b/net/core/sock_map.c
> index 8f07fea39d9e..cb11750b1df5 100644
> --- a/net/core/sock_map.c
> +++ b/net/core/sock_map.c
> @@ -18,7 +18,7 @@ struct bpf_stab {
>   	struct bpf_map map;
>   	struct sock **sks;
>   	struct sk_psock_progs progs;
> -	raw_spinlock_t lock;
> +	spinlock_t lock;
>   };

Looks good to me, and I agree that it's better to take this direction rather
than converting both to raw_spinlock_t if there is no good reason for it.
Thanks for looking into it, applied!