From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) (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 69FE4220683 for ; Fri, 7 Mar 2025 15:10:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.60.130.6 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741360215; cv=none; b=WCGOMibbWhqNdB+Ymd3bs++cp+wprddx4yPF14fMcEmhbSFLykpNkeWBPu4TVtDcQFt4LP3yNG6ZtRUT3gchmadr/o9p1f3UrzvYExrPsmnvpqGeY2+c+jqhJ7soInicdfIo9pLpGGLNV6BZ/njtie5mM/wvSGIPcMTb1MV1uas= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741360215; c=relaxed/simple; bh=6BdE3BOmpc0hWHpiv/1U3xCx/f6RR9FEN5UM+tYYQew=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=OdjNvaGGrxNaQUntQtbEDnO29PB6TPoVeTee/eOkwTiPJ6tYgTn04ODB3PIOR3z8pESaTQlHhVv7GUG4o61qJTYtfh9+MW+jmo0DgQWgrmETnLepQILGSGqfTM6ucFvTPkj3ZMBNN7OJASk1VMuFNIBZAhP7s7WzNNsYO/8+UyM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=KDrkAndT; arc=none smtp.client-ip=178.60.130.6 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="KDrkAndT" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Cc:To:Content-Transfer-Encoding:Content-Type:MIME-Version: Message-Id:Date:Subject:From:Sender:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=BuJf+DWtLBBhZh38ItBtEvDGGJVgmVqlp/Eo3nFZtyM=; b=KDrkAndTkH7QTO69oufln1sMwf nDDWW0PxU6tSdOjTNI5oj/WBO3TzCvdH9Ooy6PIfsyEhQbPLi8TA4E0EWFWx7C1dgUCfG48xewoBo Dz0hRxL/00GvSZQldeRG2cm9H3HaSa1VIYBSRnQ7cb5XDE/Scmol6GHeFqAsariXTp3yfwpbFODpA SgeywavZUGedinBPeHjqztGFNNFMuF/fVz7FI26+NlEjINJcWUAD89w5JItiEWL7BM6T0anx+qdoI QUjhdXQSWROB7DwLNd5A5lCpy4aNqDMTeJNxhqJ4VVwEJAwNjpQ+KRmQcgsSUYyLM98CzdZc0v6L5 Lfnqq8ow==; Received: from 179-125-91-70-dinamico.pombonet.net.br ([179.125.91.70] helo=[192.168.67.187]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1tqYrH-005OEr-VB; Fri, 07 Mar 2025 15:39:34 +0100 From: Thadeu Lima de Souza Cascardo Subject: [PATCH v2 0/2] char: misc: improve test and dynamic allocation Date: Fri, 07 Mar 2025 11:39:26 -0300 Message-Id: <20250307-misc-dynrange-v2-0-6fe19032ef76@igalia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAB4Fy2cC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyjHQUlJIzE vPSU3UzU4B8JSMDI1MDYwNz3dzM4mTdlMq8IrBkiqlJsqVRommqsaGlElBPQVFqWmYF2Lzo2Np aAAp9OjRfAAAA X-Change-ID: 20250307-misc-dynrange-d54c92a5e319 To: Arnd Bergmann , Greg Kroah-Hartman Cc: Andrew Morton , Dirk VanDerMerwe , Vimal Agrawal , linux-kernel@vger.kernel.org, Thadeu Lima de Souza Cascardo X-Mailer: b4 0.14.2 This includes a change that prevents dynamic allocation from using a minor number that belongs to the historically static reserved range, which is still used by some drivers. It also improves the test, including a lot of corner cases, specially ones that would fail before past fixes. Signed-off-by: Thadeu Lima de Souza Cascardo --- Thadeu Lima de Souza Cascardo (2): char: misc: restrict the dynamic range to exclude reserved minors char: misc: add test cases drivers/char/misc.c | 9 +- drivers/misc/misc_minor_kunit.c | 509 +++++++++++++++++++++++++++++++++++++++- 2 files changed, 509 insertions(+), 9 deletions(-) --- base-commit: 2397d61ee45cddb8f3bd3a3a9840ef0f0b5aa843 change-id: 20250307-misc-dynrange-d54c92a5e319 Best regards, -- Thadeu Lima de Souza Cascardo