diff options
Diffstat (limited to 'arch/x86/crypto/chacha20_glue.c')
| -rw-r--r-- | arch/x86/crypto/chacha20_glue.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/crypto/chacha20_glue.c b/arch/x86/crypto/chacha20_glue.c index 722bacea040e..0e3eb53a87cd 100644 --- a/arch/x86/crypto/chacha20_glue.c +++ b/arch/x86/crypto/chacha20_glue.c @@ -80,22 +80,24 @@ static int chacha20_simd(struct blkcipher_desc *desc, struct scatterlist *dst, crypto_chacha20_init(state, crypto_blkcipher_ctx(desc->tfm), 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 = blkcipher_walk_done(desc, &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 = blkcipher_walk_done(desc, &walk, 0); } - kernel_fpu_end(); return err; } |