On Wed, Sep 02, 2020 at 10:35:08AM +0900, Masami Hiramatsu wrote: > On Tue, 18 Aug 2020 15:57:43 +0200 > Peter Zijlstra <pet...@infradead.org> wrote: > > > Similar to how we disallow kprobes on any other dynamic text > > (ftrace/jump_label) also disallow kprobes on inline static_call()s. > > Looks good to me. > > Acked-by: Masami Hiramatsu <mhira...@kernel.org> > > BTW, here we already have 5 subsystems which reserves texts > (ftrace, alternatives, jump_label, static_call and kprobes.) > > Except for the kprobes and ftrace, we can generalize the reserved-text > code because those are section-based static address-areas (or lists).
Doesn't ftrace also have a section where it lists all the mcount locations? On top of that ftrace probably registers its trampolines. Do we support adding kprobes to BPF-JIT'ed code or should we blacklist them too?
