Re: [RFC PATCH 1/5] ebpf: Added eBPF initialization by fds and map update.

[Daniel P . Berrangé]

On Thu, Mar 30, 2023 at 02:53:16PM +0800, Jason Wang wrote:
> On Thu, Mar 30, 2023 at 8:33 AM Andrew Melnychenko <andrew@daynix.com> wrote:
> >
> > Changed eBPF map updates through mmaped array.
> > Mmaped arrays provide direct access to map data.
> > It should omit using bpf_map_update_elem() call,
> > which may require capabilities that are not present.
> 
> This requires kernel support, so after this change, eBPF based RSS
> doesn't work on old kernels that only support syscall based map
> updating.

What kernel version is the cut off ?


With regards,
Daniel
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