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Date:   Thu, 7 Dec 2023 07:22:12 +0100
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Subject: Re: [PATCH v12 13/14] crypto: iaa - Add IAA Compression Accelerator
 stats
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To:     Tom Zanussi <tom.zanussi@linux.intel.com>,
        herbert@gondor.apana.org.au, davem@davemloft.net,
        fenghua.yu@intel.com, vkoul@kernel.org
Cc:     dave.jiang@intel.com, tony.luck@intel.com,
        wajdi.k.feghali@intel.com, james.guilford@intel.com,
        kanchana.p.sridhar@intel.com, vinodh.gopal@intel.com,
        giovanni.cabiddu@intel.com, pavel@ucw.cz,
        linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
        dmaengine@vger.kernel.org
References: <20231205212530.285671-1-tom.zanussi@linux.intel.com>
 <20231205212530.285671-14-tom.zanussi@linux.intel.com>
From:   Christophe JAILLET <christophe.jaillet@wanadoo.fr>
In-Reply-To: <20231205212530.285671-14-tom.zanussi@linux.intel.com>
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Le 05/12/2023 à 22:25, Tom Zanussi a écrit :
> Add support for optional debugfs statistics support for the IAA
> Compression Accelerator.  This is enabled by the kernel config item:
> 
>    CRYPTO_DEV_IAA_CRYPTO_STATS
> 
> When enabled, the IAA crypto driver will generate statistics which can
> be accessed at /sys/kernel/debug/iaa-crypto/.
> 
> See Documentation/driver-api/crypto/iax/iax-crypto.rst for details.
> 
> Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
> ---

> +void update_max_adecomp_delay_ns(u64 start_time_ns)
> +{
> +	u64 time_diff;
> +
> +	time_diff = ktime_get_ns() - start_time_ns;
> +
> +	if (time_diff > max_adecomp_delay_ns)
> +

Nit: unneeded NL.

> +		max_adecomp_delay_ns = time_diff;
> +}

CJ