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Date: Thu, 3 Sep 2020 15:23:37 -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 v2 13/28] kbuild: lto: merge module sections

On Thu, Sep 03, 2020 at 01:30:38PM -0700, Sami Tolvanen wrote:
> LLD always splits sections with LTO, which increases module sizes. This
> change adds a linker script that merges the split sections in the final
> module.
> Suggested-by: Nick Desaulniers <>
> Signed-off-by: Sami Tolvanen <>

We'll likely need to come back around to this for FGKASLR (to keep the
.text.* sections separated), but that's no different than the existing
concerns for FGKASLR on the main kernel.

Reviewed-by: Kees Cook <>

Kees Cook

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