Messages in this thread | | | Date | Mon, 28 Jun 2021 21:07:58 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH v2 03/24] objtool: Handle __sanitize_cov*() tail calls |
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On Sat, 26 Jun 2021 10:18:12 +0200 Peter Zijlstra <peterz@infradead.org> wrote:
> > > + if (mcount && !strcmp(insn->call_dest->name, "__fentry__")) { > > > + if (sibling) > > > + WARN_FUNC("Tail call to __fentry__ !?!?", insn->sec, insn->offset); > > > > Have you ever triggered the above? > > No, that would be really daft. But since this function is to be called > for both regular and tail calls, I figured I'd at least pretend to > handle the case.
OK. I thought this was like one of those weird laws that were made because you know that someone did something really stupid once.
-- Steve
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