Re: [PATCH 0/4] s390: DYNAMIC_FTRACE_WITH_DIRECT_CALL support

Heiko Carstens
2021-10-13T08:49:08Z

On Tue, Oct 12, 2021 at 08:25:14PM +0200, Heiko Carstens wrote:
> On Tue, Oct 12, 2021 at 07:04:53PM +0200, Jiri Olsa wrote:
> > > > See here:
> > > >
> > > > https://lore.kernel.org/all/20211008091336.33616-1-jolsa@kernel.org/
> > >
> > > I applied Jiri's patch set and the newly added selftest passes.
> >
> > nice, could I have your Tested-by? ;-)
>
> Well, now I added also the missing pieces to ftrace-direct-multi
> sample module and when loading that and looking into
> /sys/kernel/debug/tracing/trace it looks like "my_direct_func" gets
> some random junk as parameter and nothing that could count as "ip".
>
> Will look into that, probably tomorrow.

Ok, if I load the correct module, it even works. I had a bug in the
first version, fixed it, but still loaded the broken module to test
my changes. Clever me ;)

So it all works for me.