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crypto: Kconfig - warn about performance overhead of CRYPTO_STATS

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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>
This commit is contained in:
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 help
Enable the gathering of crypto stats. 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 This collects data sizes, numbers of requests, and numbers
of errors processed by: of errors processed by:
- AEAD ciphers (encrypt, decrypt) - AEAD ciphers (encrypt, decrypt)