Re: [PATCH bpf-next] samples/bpf: fix broken bpf programs due to function inlining

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On Tue, Mar 8, 2022 at 2:43 AM Muhammad Falak R Wani
<falakreyaz@xxxxxxxxx> wrote:
>
> On Mon, Mar 07, 2022 at 10:11:36PM -0800, Andrii Nakryiko wrote:
> > On Sun, Mar 6, 2022 at 4:15 AM Muhammad Falak R Wani
> > <falakreyaz@xxxxxxxxx> wrote:
> > >
> > > commit: "be6bfe36db17 block: inline hot paths of blk_account_io_*()"
> > > inlines the function `blk_account_io_done`. As a result we can't attach a
> > > kprobe to the function anymore. Use `__blk_account_io_done` instead.
> > >
> > > Signed-off-by: Muhammad Falak R Wani <falakreyaz@xxxxxxxxx>
> > > ---
> > >  samples/bpf/task_fd_query_kern.c | 2 +-
> > >  samples/bpf/tracex3_kern.c       | 2 +-
> > >  2 files changed, 2 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/samples/bpf/task_fd_query_kern.c b/samples/bpf/task_fd_query_kern.c
> > > index c821294e1774..186ac0a79c0a 100644
> > > --- a/samples/bpf/task_fd_query_kern.c
> > > +++ b/samples/bpf/task_fd_query_kern.c
> >
> > samples/bpf/task_fd_query_user.c also needs adjusting, no? Have you
> > tried running those samples?
> Aplologies, I ran the `tracex3` program, but missed to verify `task_fd_query`. Should I send a V2
> where I modify only the `tracex3` ?

No, send a patch fixing everything in one patch



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