diff options
Diffstat (limited to 'arch/x86/crypto/chacha_glue.c')
| -rw-r--r-- | arch/x86/crypto/chacha_glue.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/arch/x86/crypto/chacha_glue.c b/arch/x86/crypto/chacha_glue.c index 1ce0019c059c..0e5f93c87fe0 100644 --- a/arch/x86/crypto/chacha_glue.c +++ b/arch/x86/crypto/chacha_glue.c @@ -127,7 +127,6 @@ static int chacha_simd_stream_xor(struct skcipher_walk *walk, struct chacha_ctx *ctx, u8 *iv) { u32 *state, state_buf[16 + 2] __aligned(8); - int next_yield = 4096; /* bytes until next FPU yield */ int err = 0; BUILD_BUG_ON(CHACHA_STATE_ALIGN != 16); @@ -140,20 +139,14 @@ static int chacha_simd_stream_xor(struct skcipher_walk *walk, if (nbytes < walk->total) { nbytes = round_down(nbytes, walk->stride); - next_yield -= nbytes; } chacha_dosimd(state, walk->dst.virt.addr, walk->src.virt.addr, nbytes, ctx->nrounds); - if (next_yield <= 0) { - /* temporarily allow preemption */ - kernel_fpu_end(); - kernel_fpu_begin(); - next_yield = 4096; - } - + kernel_fpu_end(); err = skcipher_walk_done(walk, walk->nbytes - nbytes); + kernel_fpu_begin(); } return err; |