Re: [PATCH 2/2] sched/debug: add sched_update_nr_running tracepoint

From: Joel Fernandes
Date: Wed Sep 04 2019 - 11:33:34 EST


On Wed, Sep 04, 2019 at 08:26:52AM -0700, Alexei Starovoitov wrote:
> On Wed, Sep 4, 2019 at 6:14 AM Joel Fernandes <joel@xxxxxxxxxxxxxxxxx> wrote:
> >
> > True. However, for kprobes-based BPF program - it does check for kernel
> > version to ensure that the BPF program is built against the right kernel
> > version (in order to ensure the program is built against the right set of
> > kernel headers). If it is not, then BPF refuses to load the program.
>
> This is not true anymore. Users found few ways to workaround that check
> in practice. It became useless and it was deleted some time ago.

Wow, Ok! Interesting!

thanks,

- Joel