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Date: Tue, 28 Jul 2020 19:29:08 +0200
From: Jessica Yu <>
To: Kristen Carlson Accardi <>
Cc:,,,,, "H. Peter Anvin" <>,,,,,
	Ard Biesheuvel <>, Tony Luck <>
Subject: Re: [PATCH v4 10/10] module: Reorder functions

+++ Kristen Carlson Accardi [17/07/20 10:00 -0700]:
>Introduce a new config option to allow modules to be re-ordered
>by function. This option can be enabled independently of the
>kernel text KASLR or FG_KASLR settings so that it can be used
>by architectures that do not support either of these features.
>This option will be selected by default if CONFIG_FG_KASLR is
>If a module has functions split out into separate text sections
>(i.e. compiled with the -ffunction-sections flag), reorder the
>functions to provide some code diversification to modules.
>Signed-off-by: Kristen Carlson Accardi <>
>Reviewed-by: Kees Cook <>
>Acked-by: Ard Biesheuvel <>
>Tested-by: Ard Biesheuvel <>
>Reviewed-by: Tony Luck <>
>Tested-by: Tony Luck <>

Hi Kristen!

I've boot tested this on x86, (un)loaded some modules, and checked
their resulting section addresses as a quick sanity test. Feel free
to add my:

Acked-by: Jessica Yu <>
Tested-by: Jessica Yu <>

Thank you!


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