linux-kernel - Re: [PATCH] regmap: kunit: Ensure that changed bytes are actually different

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Message-ID: <ZcaFmYGClhpj82Xo@finisterre.sirena.org.uk>
Date: Fri, 9 Feb 2024 20:05:45 +0000
From: Mark Brown <broonie@...nel.org>
To: Guenter Roeck <linux@...ck-us.net>
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] regmap: kunit: Ensure that changed bytes are actually
 different

On Fri, Feb 09, 2024 at 08:02:27PM +0000, Mark Brown wrote:
> During the cache sync test we verify that values we expect to have been
> written only to the cache do not appear in the hardware. This works most
> of the time but since we randomly generate both the original and new values
> there is a low probability that these values may actually be the same.
> Wrap get_random_bytes() to ensure that the values are different, it is
> likely we will want a similar pattern for other tests in the future.

Sorry, works better if you actally check stuff in.  v2 coming.

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