From 66dd59b7aa55d0ea6c0eebfbfe4353eadaac5e1b Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Sat, 20 May 2023 10:31:05 -0700 Subject: [PATCH] crypto: Kconfig - warn about performance overhead of CRYPTO_STATS Make the help text for CRYPTO_STATS explicitly mention that it reduces the performance of the crypto API. Signed-off-by: Eric Biggers Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu --- crypto/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/crypto/Kconfig b/crypto/Kconfig index 42751d6..fdf3742 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1393,6 +1393,9 @@ config CRYPTO_STATS help Enable the gathering of crypto stats. + Enabling this option reduces the performance of the crypto API. It + should only be enabled when there is actually a use case for it. + This collects data sizes, numbers of requests, and numbers of errors processed by: - AEAD ciphers (encrypt, decrypt) -- 2.7.4