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Date: Thu, 15 Oct 2020 15:39:42 -0500
From: Josh Poimboeuf <>
To: Peter Zijlstra <>
Cc: Jann Horn <>, Sami Tolvanen <>,
	the arch/x86 maintainers <>,
	Masahiro Yamada <>,
	Steven Rostedt <>, Will Deacon <>,
	Greg Kroah-Hartman <>,
	"Paul E. McKenney" <>,
	Kees Cook <>,
	Nick Desaulniers <>,
	clang-built-linux <>,
	Kernel Hardening <>,
	linux-arch <>,
	Linux ARM <>,,
	kernel list <>,
Subject: Re: [PATCH v6 22/25] x86/asm: annotate indirect jumps

On Thu, Oct 15, 2020 at 12:22:16PM +0200, Peter Zijlstra wrote:
> On Thu, Oct 15, 2020 at 01:23:41AM +0200, Jann Horn wrote:
> > It would probably be good to keep LTO and non-LTO builds in sync about
> > which files are subjected to objtool checks. So either you should be
> > removing the OBJECT_FILES_NON_STANDARD annotations for anything that
> > is linked into the main kernel (which would be a nice cleanup, if that
> > is possible), 
> This, I've had to do that for a number of files already for the limited
> vmlinux.o passes we needed for noinstr validation.

Getting rid of OBJECT_FILES_NON_STANDARD is indeed the end goal, though
I'm not sure how practical that will be for some of the weirder edge

On a related note, I have some old crypto cleanups which need dusting


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