diff options
Diffstat (limited to 'arch/x86/crypto/chacha20_glue.c')
| -rw-r--r-- | arch/x86/crypto/chacha20_glue.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/crypto/chacha20_glue.c b/arch/x86/crypto/chacha20_glue.c index dce7c5d39c2f..6194160b7fbc 100644 --- a/arch/x86/crypto/chacha20_glue.c +++ b/arch/x86/crypto/chacha20_glue.c @@ -81,23 +81,24 @@ static int chacha20_simd(struct skcipher_request *req) crypto_chacha20_init(state, ctx, walk.iv); - kernel_fpu_begin(); - while (walk.nbytes >= CHACHA20_BLOCK_SIZE) { + kernel_fpu_begin(); + chacha20_dosimd(state, walk.dst.virt.addr, walk.src.virt.addr, rounddown(walk.nbytes, CHACHA20_BLOCK_SIZE)); + kernel_fpu_end(); err = skcipher_walk_done(&walk, walk.nbytes % CHACHA20_BLOCK_SIZE); } if (walk.nbytes) { + kernel_fpu_begin(); chacha20_dosimd(state, walk.dst.virt.addr, walk.src.virt.addr, walk.nbytes); + kernel_fpu_end(); err = skcipher_walk_done(&walk, 0); } - kernel_fpu_end(); - return err; } |