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authorEric Biggers <ebiggers@google.com>2019-03-12 22:12:50 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2019-03-22 20:57:27 +0800
commite52b7023cdad005756cd91d7c54fa90ef6b43d32 (patch)
treeb2aae39c8c5acfe29a6e95f27fc2539ad2efc547 /arch/arm64/crypto/chacha-neon-glue.c
parent99680c5e91829453e001ab5f7e6d717e6d2dcb21 (diff)
crypto: arm64 - convert to use crypto_simd_usable()
Replace all calls to may_use_simd() in the arm64 crypto code with crypto_simd_usable(), in order to allow testing the no-SIMD code paths. Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm64/crypto/chacha-neon-glue.c')
-rw-r--r--arch/arm64/crypto/chacha-neon-glue.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm64/crypto/chacha-neon-glue.c b/arch/arm64/crypto/chacha-neon-glue.c
index bece1d85bd81..3a26a98a7e17 100644
--- a/arch/arm64/crypto/chacha-neon-glue.c
+++ b/arch/arm64/crypto/chacha-neon-glue.c
@@ -21,6 +21,7 @@
#include <crypto/algapi.h>
#include <crypto/chacha.h>
+#include <crypto/internal/simd.h>
#include <crypto/internal/skcipher.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -90,7 +91,7 @@ static int chacha_neon(struct skcipher_request *req)
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm);
- if (req->cryptlen <= CHACHA_BLOCK_SIZE || !may_use_simd())
+ if (req->cryptlen <= CHACHA_BLOCK_SIZE || !crypto_simd_usable())
return crypto_chacha_crypt(req);
return chacha_neon_stream_xor(req, ctx, req->iv);
@@ -104,7 +105,7 @@ static int xchacha_neon(struct skcipher_request *req)
u32 state[16];
u8 real_iv[16];
- if (req->cryptlen <= CHACHA_BLOCK_SIZE || !may_use_simd())
+ if (req->cryptlen <= CHACHA_BLOCK_SIZE || !crypto_simd_usable())
return crypto_xchacha_crypt(req);
crypto_chacha_init(state, ctx, req->iv);