diff options
| author | Yury Norov [NVIDIA] <yury.norov@gmail.com> | 2025-06-04 16:47:40 -0400 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-06-13 17:26:17 +0800 |
| commit | ea87e6c40a79de84cc2c6186eafb476be79916e0 (patch) | |
| tree | f7c7e16f73c466fc3b13123d655c8623fd4fcedc | |
| parent | 254923ca8715f623704378266815b6d14eb26194 (diff) | |
crypto: pcrypt - Optimize pcrypt_aead_init_tfm()
The function opencodes cpumask_nth(). The dedicated helper is faster
than an open for-loop.
Signed-off-by: Yury Norov [NVIDIA] <yury.norov@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/pcrypt.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index c33d29a523e0..c3a9d4f2995c 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -178,7 +178,7 @@ static int pcrypt_aead_decrypt(struct aead_request *req) static int pcrypt_aead_init_tfm(struct crypto_aead *tfm) { - int cpu, cpu_index; + int cpu_index; struct aead_instance *inst = aead_alg_instance(tfm); struct pcrypt_instance_ctx *ictx = aead_instance_ctx(inst); struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(tfm); @@ -187,10 +187,7 @@ static int pcrypt_aead_init_tfm(struct crypto_aead *tfm) cpu_index = (unsigned int)atomic_inc_return(&ictx->tfm_count) % cpumask_weight(cpu_online_mask); - ctx->cb_cpu = cpumask_first(cpu_online_mask); - for (cpu = 0; cpu < cpu_index; cpu++) - ctx->cb_cpu = cpumask_next(ctx->cb_cpu, cpu_online_mask); - + ctx->cb_cpu = cpumask_nth(cpu_index, cpu_online_mask); cipher = crypto_spawn_aead(&ictx->spawn); if (IS_ERR(cipher)) |