Re: [PATCH -tip v3 00/23] kprobes: introduce NOKPROBE_SYMBOL() andgeneral cleaning of kprobe blacklist

[Ingo Molnar]

* Frank Ch. Eigler <fche@xxxxxxxxxx> 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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