linux-kernel - Re: [PATCH v4 2/2] regmap: warn users about uninitialized flat cache

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Message-ID: <9b5eaedd-f068-4209-af4a-215716e279a7@sirena.org.uk>
Date: Thu, 23 Oct 2025 14:00:24 +0100
From: Mark Brown <broonie@...nel.org>
To: Sander Vanheule <sander@...nheule.net>
Cc: linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Danilo Krummrich <dakr@...nel.org>
Subject: Re: [PATCH v4 2/2] regmap: warn users about uninitialized flat cache

On Wed, Oct 22, 2025 at 10:04:08PM +0200, Sander Vanheule wrote:

> +	if (unlikely(!__test_and_set_bit(index, cache->valid)))
> +		dev_warn(map->dev,
> +			 "using zero-initialized flat cache, "
> +			 "this may cause unexpected behavior");

Please update this to have the error message on one line, it's better to
break the line length limit and have people easily able to grep for the
log message.

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