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SubjectRe: [PATCH -tip v3 00/23] kprobes: introduce NOKPROBE_SYMBOL() and general cleaning of kprobe blacklist

* Frank Ch. Eigler <fche@redhat.com> wrote:

> masami.hiramatsu.pt wrote:
>
> > [...] This series also includes a change which prohibits probing
> > on the address in .entry.text because the code is used for very
> > low-level sensitive interrupt/syscall entries. Probing such code
> > may cause unexpected result (actually most of that area is already
> > in the kprobe blacklist). So I've decide to prohibit probing all
> > of them. [...]
>
> Does this new blacklist cover enough that the kernel now survives a
> broadly wildcarded perf-probe, e.g. over e.g. all of its kallsyms?

That's generally the purpose of the annotations - if it doesn't then
that's a bug.

Thanks,

Ingo


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