diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2019-07-02 22:41:23 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-07-26 07:55:34 +0300 |
| commit | 2c53fd11f7624658222d175ec27e6c07b20b63d0 (patch) | |
| tree | d5b03a77e9a4357c5e17bade92579283d679fb03 /arch/x86/include/asm | |
| parent | e59c1c98745637796df824c0177f279b6e9cad94 (diff) | |
| download | linux-2c53fd11f7624658222d175ec27e6c07b20b63d0.tar.xz | |
crypto: x86/aes-ni - switch to generic for fallback and key routines
The AES-NI code contains fallbacks for invocations that occur from a
context where the SIMD unit is unavailable, which really only occurs
when running in softirq context that was entered from a hard IRQ that
was taken while running kernel code that was already using the FPU.
That means performance is not really a consideration, and we can just
use the new library code for this use case, which has a smaller
footprint and is believed to be time invariant. This will allow us to
drop the non-SIMD asm routines in a subsequent patch.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/crypto/aes.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/x86/include/asm/crypto/aes.h b/arch/x86/include/asm/crypto/aes.h deleted file mode 100644 index c508521dd190..000000000000 --- a/arch/x86/include/asm/crypto/aes.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef ASM_X86_AES_H -#define ASM_X86_AES_H - -#include <linux/crypto.h> -#include <crypto/aes.h> - -void crypto_aes_encrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, - const u8 *src); -void crypto_aes_decrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, - const u8 *src); -#endif |