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Date: Fri, 18 Sep 2020 14:27:34 -0700
From: Kees Cook <>
To: Sami Tolvanen <>
Cc: Masahiro Yamada <>, Will Deacon <>,
	Peter Zijlstra <>,
	Steven Rostedt <>,
	Greg Kroah-Hartman <>,
	"Paul E. McKenney" <>,
	Nick Desaulniers <>,,,,,,,,
Subject: Re: [PATCH v3 13/30] kbuild: lto: postpone objtool

On Fri, Sep 18, 2020 at 01:14:19PM -0700, Sami Tolvanen wrote:
> With LTO, LLVM bitcode won't be compiled into native code until
> modpost_link, or modfinal for modules. This change postpones calls
> to objtool until after these steps, and moves objtool_args to
> Makefile.lib, so the arguments can be reused in Makefile.modfinal.
> Signed-off-by: Sami Tolvanen <>

Thanks for reorganizing this!

Reviewed-by: Kees Cook <>

Kees Cook

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