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Date:   Thu, 9 May 2019 09:39:06 +0800
From:   Herbert Xu <>
To:     Kees Cook <>
Cc:     Eric Biggers <>,
        Joao Moreira <>,
        Ingo Molnar <>,
        Thomas Gleixner <>,
        Borislav Petkov <>, X86 ML <>,
        linux-crypto <>,
        LKML <>,
        Kernel Hardening <>
Subject: Re: [PATCH v3 0/7] crypto: x86: Fix indirect function call casts

On Wed, May 08, 2019 at 02:08:25PM -0700, Kees Cook wrote:
> For example, quoting the existing code:
> asmlinkage void twofish_dec_blk(struct twofish_ctx *ctx, u8 *dst,
>                                 const u8 *src);

So just make it

	asmlinkage void twofish_dec_blk(void *ctx, u8 *dst, const u8 *src);

and you won't need any of these casts.

Email: Herbert Xu <>
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