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Date: Fri, 20 Mar 2026 17:44:44 +0000
From: Simon Horman <horms@kernel.org>
To: Yury Norov <ynorov@nvidia.com>
Cc: Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	Sunil Goutham <sgoutham@marvell.com>,
	Linu Cherian <lcherian@marvell.com>,
	Geetha sowjanya <gakula@marvell.com>,
	Jerin Jacob <jerinj@marvell.com>,
	Subbaraya Sundeep <sbhatta@marvell.com>,
	Stanislav Fomichev <sdf@fomichev.me>,
	Kuniyuki Iwashima <kuniyu@google.com>,
	Christian Brauner <brauner@kernel.org>,
	Yajun Deng <yajun.deng@linux.dev>, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Thomas =?utf-8?Q?Wei=C3=9Fschuh?= <linux@weissschuh.net>,
	Yury Norov <yury.norov@gmail.com>
Subject: Re: [PATCH v2 0/2] net: cleanup bitmaps printing
Message-ID: <20260320174444.GG74886@horms.kernel.org>
References: <20260319201713.941956-1-ynorov@nvidia.com>
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In-Reply-To: <20260319201713.941956-1-ynorov@nvidia.com>

On Thu, Mar 19, 2026 at 04:17:09PM -0400, Yury Norov wrote:
> Bitmap API has a bitmap_print_to_pagebuf() function that is intended to
> print bitmap into a human readable format, making sure that the output
> string will not get big enough to cross the current page limit.
> 
> Some drivers use this function immediately before passing the result to
> scnprintf() with no modification. This is useless because scnprintf(),
> and helpers based on it like seq_pritf() and sysfs_emit(), take care of
> not overflowing the buffer by itself, and perfectly print bitmaps with
> "%*pb[l]".
> 
> v1: https://lore.kernel.org/all/20260219181407.290201-1-ynorov@nvidia.com/
> v2:
>  - fix copy-paste error in print_npa_qsize() (Simon);
>  - fix typo in #1 subject (Jakub).

Thanks for the updates.

Reviewed-by: Simon Horman <horms@kernel.org>