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>
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 091ebbb..20af580 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1156,8 +1156,7 @@
tristate "AES cipher algorithms (AES-NI)"
depends on X86
select CRYPTO_AEAD
- select CRYPTO_AES_X86_64 if 64BIT
- select CRYPTO_AES_586 if !64BIT
+ select CRYPTO_LIB_AES
select CRYPTO_ALGAPI
select CRYPTO_BLKCIPHER
select CRYPTO_GLUE_HELPER_X86 if 64BIT