Re: [PATCH v8 7/7] kprobes: Add arm64 case in kprobe example module

Steve Capper
2015-08-12T16:22:21Z

On 11 August 2015 at 01:52, David Long <dave.long@linaro.org> wrote:
> From: Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com>
>
> Add info prints in sample kprobe handlers for ARM64
>
> Signed-off-by: Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com>
> ---
> samples/kprobes/kprobe_example.c | 8 ++++++++
> 1 file changed, 8 insertions(+)

I'm not going through this series backwards, but I did run the kprobe
sample modules first, and nothing happened... (i.e. nothing fired).

The kernel usage of do_fork (which is used as an example by the sample
code) has been changed by:
3033f14a clone: support passing tls argument via C rather than pt_regs magic

Now everything appears to go through _do_fork rather than do_fork.

I'll send a fixup shortly, but if anyone else is running these modules
and worrying about a lack of events... worry less :-).

Cheers,
--
Steve