Select the new implementation of CHACHA20 for S390 when available,
it is faster than the generic software implementation.

Reported-by: kernel test robot <>
Signed-off-by: Vladis Dronov <>
 drivers/net/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index b2a4f998c180..8c1eeb5a8db8 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -94,6 +94,7 @@ config WIREGUARD
        select CRYPTO_CURVE25519_NEON if ARM && KERNEL_MODE_NEON
        select CRYPTO_CHACHA_MIPS if CPU_MIPS32_R2
        select CRYPTO_POLY1305_MIPS if MIPS
+       select CRYPTO_CHACHA_S390 if S390
          WireGuard is a secure, fast, and easy to use replacement for IPSec
          that uses modern cryptography and clever networking tricks. It's

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