On Tue, Oct 26, 2021 at 1:43 PM Alexei Starovoitov
<alexei.starovoitov@xxxxxxxxx> wrote:
>
> On Tue, Oct 26, 2021 at 1:38 PM Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote:
> >
> > From: Eric Dumazet <edumazet@xxxxxxxxxx>
> >
> > __bpf_prog_run() can run from non IRQ contexts, meaning
> > it could be re entered if interrupted.
> >
> > This calls for the irq safe variant of u64_stats_update_{begin|end},
> > or risk a deadlock.
> >
> > This patch is a nop on 64bit arches, fortunately.
>
> u64_stats_update_begin_irqsave is a nop. Good!
> We just sent the last bpf tree PR for this cycle.
> We'll probably take it into bpf-next after CI has a chance to run it.
Great, this means I can add the followup patch to the series.
