chacha20-x86_64: use correct cut off for avx512-vl

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/crypto/zinc/chacha20/chacha20-x86_64-glue.h b/src/crypto/zinc/chacha20/chacha20-x86_64-glue.h
index 912bded..d2b1c4b 100644
--- a/src/crypto/zinc/chacha20/chacha20-x86_64-glue.h
+++ b/src/crypto/zinc/chacha20/chacha20-x86_64-glue.h
@@ -69,7 +69,7 @@ static inline bool chacha20_arch(u8 *dst, const u8 *src, const size_t len,
 		chacha20_avx512(dst, src, len, key, counter);
 		return true;
 	}
-	if (chacha20_use_avx512vl && len >= CHACHA20_BLOCK_SIZE * 8) {
+	if (chacha20_use_avx512vl && len >= CHACHA20_BLOCK_SIZE * 4) {
 		chacha20_avx512vl(dst, src, len, key, counter);
 		return true;
 	}