| Date | Fri, 17 Apr 2020 14:33:24 +0200 (CEST) | From | Miroslav Benes <> | Subject | Re: [PATCH v5 00/17] objtool: vmlinux.o and noinstr validation |
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On Thu, 16 Apr 2020, Peter Zijlstra wrote:
> As should be familiar by now; these patches implement the noinstr > (no-instrument) validation in objtool as requested by Thomas, to ensure > critical code (entry for now, idle later) run no unexpected code. > > Functions are marked with: noinstr, which implies notrace, noinline and sticks > things in the .noinstr.text section. Such functions can then use instr_begin() > and instr_end() to allow calls to code outside of this section in sanctioned > areas. > > On the way of getting there, it also fixes the x86/ftrace trampiline ORC > unwind.
I think I've already done that, but there are some changes, so
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
M
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