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Date: Wed, 27 Nov 2019 10:01:25 -0800
From: Eric Biggers <>
To: Kees Cook <>
Cc: Herbert Xu <>,
	João Moreira <>,
	Ard Biesheuvel <>,
	Sami Tolvanen <>,
	Stephan Mueller <>,,,,
Subject: Re: [PATCH v7] crypto: x86: Regularize glue function prototypes

On Tue, Nov 26, 2019 at 10:08:02PM -0800, Kees Cook wrote:
> The crypto glue performed function prototype casting via macros to make
> indirect calls to assembly routines. Instead of performing casts at the
> call sites (which trips Control Flow Integrity prototype checking), switch
> each prototype to a common standard set of arguments which allows the
> removal of the existing macros. In order to keep pointer math unchanged,
> internal casting between u128 pointers and u8 pointers is added.
> Co-developed-by: João Moreira <>
> Signed-off-by: João Moreira <>
> Signed-off-by: Kees Cook <>

Reviewed-by: Eric Biggers <>

- Eric

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