From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 02A0B352098 for ; Thu, 11 Sep 2025 16:12:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757607156; cv=none; b=a19sI96emUVi42EAwWtIdNZ7sJq4IDeStaXXBFt0SXqTcEAm8Tc3QKfd2jE4NMml2tnjCAoIg3rAfWwJzh5mvC91ahmUXrgTZxdEVUbCAnTXKi3MT99vN/q8JHVmYkS2gluHZwfa6VTfjQHjBqXb3yNhqjE+rPi2yMR9H5UvV8E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757607156; c=relaxed/simple; bh=gZnRkIwo+R4sRadUL4BTK8350ukasNULlJLKoGVv1Jo=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=aLEmufUFXY2iPgx7HKsLmmr8Q5Jq3k5PCJ2EtJMNQ6rEKRudidITp5T5rE1hM21hBpz5GFKST0vyPSJWXUdLT+wcc7/hRpnUxsx75FWmY5g8+C59cy3xduvlmfGjYaqB29zYScRcLav0nRmE4huImm6zKsHN4i/whE31iCdZi+s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=CDXyDJpQ; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=rFFr/485; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="CDXyDJpQ"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="rFFr/485" From: John Ogness DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1757607152; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4eJw5MnZV2BIDwczGalIRnCvulLiYt2egtKyQgbZAgs=; b=CDXyDJpQ+A7OStCOaYCPj5MJt+7Abdl71Jjs+TE/3O90DEBs0jj+g198loAJR4xArUVQhI tS+fEchCewB13fi9G5T3cIc4u6AR3ed0O26J3/Uwor/nBCgbUIY8FwzGxUQSb5hWK1JGYi ixcbbVkrOdmNTb2e/tTdLU0rj2NcTbQE6ruH7gKNxpG8bCFBR6jqE+8230Eufiazchgi5k EJbh++kr06qJBZgEqgA595LqjVsT34YIdkfjaa5htkNq7nN2UyB/MCpCiMvJfL8s1uBxD6 tgscoBSZWVxK5ILOHoeyfANxJpf0vhGxylo5JiMgN3lBXm67ymhMHCN251mk7A== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1757607152; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4eJw5MnZV2BIDwczGalIRnCvulLiYt2egtKyQgbZAgs=; b=rFFr/485C9ARP4H/u1JWSOyDMG8narGNBO/asGFBv0qRny1nWqOj0WjufQxMpYDLbJYUEW sI+wq6VPO6CMfzBg== To: Petr Mladek , Daniil Tatianin Cc: linux-kernel@vger.kernel.org, Steven Rostedt , Sergey Senozhatsky Subject: Re: [PATCH v2 0/2] printk_ringbuffer: don't needlessly wrap data blocks around In-Reply-To: References: <20250905144152.9137-1-d-tatianin@yandex-team.ru> Date: Thu, 11 Sep 2025 18:18:32 +0206 Message-ID: <84bjnhx91r.fsf@jogness.linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On 2025-09-11, Petr Mladek wrote: > diff --git a/kernel/printk/printk_ringbuffer_kunit_test.c b/kernel/printk/printk_ringbuffer_kunit_test.c > index 2282348e869a..241f7ef49ac6 100644 > --- a/kernel/printk/printk_ringbuffer_kunit_test.c > +++ b/kernel/printk/printk_ringbuffer_kunit_test.c > @@ -56,7 +56,7 @@ struct prbtest_rbdata { > char text[] __counted_by(size); > }; > > -#define MAX_RBDATA_TEXT_SIZE 0x80 > +#define MAX_RBDATA_TEXT_SIZE (0x256 - sizeof(struct prbtest_rbdata)) I guess this should be: #define MAX_RBDATA_TEXT_SIZE (256 - sizeof(struct prbtest_rbdata)) John