linux-kernel - Re: [PATCH 02/36] lib/crypto: aes: Introduce improved AES library

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Message-ID: <20260105074712.498-1-dqfext@gmail.com>
Date: Mon,  5 Jan 2026 15:47:12 +0800
From: Qingfang Deng <dqfext@...il.com>
To: Eric Biggers <ebiggers@...nel.org>
Cc: linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Ard Biesheuvel <ardb@...nel.org>,
	"Jason A. Donenfeld" <Jason@...c4.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org,
	linux-riscv@...ts.infradead.org,
	linux-s390@...r.kernel.org,
	sparclinux@...r.kernel.org,
	x86@...nel.org,
	Holger Dengler <dengler@...ux.ibm.com>,
	Harald Freudenberger <freude@...ux.ibm.com>
Subject: Re: [PATCH 02/36] lib/crypto: aes: Introduce improved AES library

On 4 Jan 2026 21:12:35 -0800, Eric Biggers wrote:
>  extern const u8 crypto_aes_sbox[];
>  extern const u8 crypto_aes_inv_sbox[];
> +extern const u32 __cacheline_aligned aes_enc_tab[256];
> +extern const u32 __cacheline_aligned aes_dec_tab[256];
 
__cacheline_aligned puts the array in ".data..cacheline_aligned"
section. As a const array, it should be in ".rodata" section, so
____cacheline_aligned (note the extra underscores) should be used
instead.
You can also apply the same to crypto_aes_sbox and crypto_aes_inv_sbox
while at it.

Regards,
Qingfang