linux-kernel - Re: [PATCH v11 11/22] crypto: amlogic

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Message-ID: <Z2aokzSrAHpJE_PG@gondor.apana.org.au> (raw)
Date: Wed, 22 Jan 2025 15:41:29 +0300
From: Alexey Romanov <avromanov@...utedevices.com>
To: <herbert@...dor.apana.org.au>
CC: <avromanov@...utedevices.com>, <clabbe@...libre.com>,
	<conor+dt@...nel.org>, <davem@...emloft.net>, <devicetree@...r.kernel.org>,
	<jbrunet@...libre.com>, <kernel@...utedevices.com>, <khilman@...libre.com>,
	<krzk+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
	<linux-amlogic@...ts.infradead.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<martin.blumenstingl@...glemail.com>, <neil.armstrong@...aro.org>,
	<robh+dt@...nel.org>, <vadim.fedorenko@...ux.dev>
Subject: Re: [PATCH v11 11/22] crypto: amlogic - Introduce hasher

> You cannot sleep in the digest function.

Why? I couldn't find this explanation anywhere.
In addition, I found an example of one of the digest functions that is sleeping [1].

Links:

  - [1] https://elixir.bootlin.com/linux/v6.12.6/source/drivers/crypto/mxs-dcp.c#L804