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Date: Wed, 13 Nov 2019 11:34:29 -0800
From: Eric Biggers <ebiggers@...nel.org>
To: Kees Cook <keescook@...omium.org>
Cc: Herbert Xu <herbert@...dor.apana.org.au>,
João Moreira <joao.moreira@...el.com>,
Sami Tolvanen <samitolvanen@...gle.com>,
"David S. Miller" <davem@...emloft.net>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
Stephan Mueller <smueller@...onox.de>, x86@...nel.org,
linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH v5 2/8] crypto: x86/serpent: Remove glue function macros
usage
On Wed, Nov 13, 2019 at 10:25:10AM -0800, Kees Cook wrote:
> diff --git a/arch/x86/include/asm/crypto/serpent-sse2.h b/arch/x86/include/asm/crypto/serpent-sse2.h
> index 1a345e8a7496..491a5a7d4e15 100644
> --- a/arch/x86/include/asm/crypto/serpent-sse2.h
> +++ b/arch/x86/include/asm/crypto/serpent-sse2.h
> @@ -41,8 +41,7 @@ asmlinkage void __serpent_enc_blk_8way(struct serpent_ctx *ctx, u8 *dst,
> asmlinkage void serpent_dec_blk_8way(struct serpent_ctx *ctx, u8 *dst,
> const u8 *src);
>
> -static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst,
> - const u8 *src)
> +static inline void serpent_enc_blk_xway(void *ctx, u8 *dst, const u8 *src)
> {
> __serpent_enc_blk_8way(ctx, dst, src, false);
> }
> @@ -53,8 +52,7 @@ static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst,
> __serpent_enc_blk_8way(ctx, dst, src, true);
> }
>
> -static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst,
> - const u8 *src)
> +static inline void serpent_dec_blk_xway(void *ctx, u8 *dst, const u8 *src)
> {
> serpent_dec_blk_8way(ctx, dst, src);
> }
Please read this whole file --- these functions are also defined under an #ifdef
CONFIG_X86_32 block, so that part needs to be updated too.
- Eric
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