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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 <ebiggers@google.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Eric Biggers 2023-05-20 10:31:05 -07:00 committed by Herbert Xu
parent b04b076fb5
commit 66dd59b7aa
1 changed files with 3 additions and 0 deletions
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crypto/Kconfig
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@ -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)