| Date | Wed, 20 Nov 2013 16:38:01 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH -tip v3 00/23] kprobes: introduce NOKPROBE_SYMBOL() and general cleaning of kprobe blacklist |
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* 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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