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From: Herbert Xu <>
To: Daniel Latypov <>
Subject: Re: [RFC v1 1/2] crypto: tcrypt: minimal conversion to run under KUnit
Date: Fri, 23 Jul 2021 14:43:28 +0800	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, Jul 15, 2021 at 02:31:37PM -0700, Daniel Latypov wrote:
>> == Questions ==
> * does this seem like it would make running the test easier?

I don't mind.  tcrypt these days isn't used so much for correctness
testing.  It's mostly being used for speed testing.  A secondary
use is to instantiate templates.

> * does `tvmem` actually need page-aligned buffers?

I think it may be needed for those split-SG test cases where
we deliberately create a buffer that straddles a page boundary.

> * I have no clue how FIPS intersects with all of this.

It doesn't really matter because in FIPS mode when a correctness
test fails the kernel panics.

>   * would it be fine to leave the test code built-in for FIPS instead of
>   returning -EAGAIN?

The returning -EAGAIN is irrelevant in FIPS mode.  It's more of
an aid in normal mode when you use tcrypt for speed testing.

Email: Herbert Xu <>
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  reply	other threads:[~2021-07-23  6:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-15 21:31 [RFC v1 0/2] crypto: tcrypt: small changes to run under KUnit Daniel Latypov
2021-07-15 21:31 ` [RFC v1 1/2] crypto: tcrypt: minimal conversion " Daniel Latypov
2021-07-23  6:43   ` Herbert Xu [this message]
2021-07-23 19:31     ` Daniel Latypov
2021-07-30  2:55       ` Herbert Xu
2021-07-30  5:33         ` David Gow
2021-07-15 21:31 ` [RFC v1 2/2] crypto: tcrypt: call KUNIT_FAIL() instead of pr_err() Daniel Latypov

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