From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=198.175.65.13 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792598895; b=0xGVZP4Pcd9GFG27+ke9JwgVG+raOZhQOVmQ4VofeKfPoZL6QkTj1rpHQKscxRW35742 L2c+lESSmzG7IfOxUPWWSCr23N+l9YP8DmFFO37NJD+79RzJ5pUpwWXyxrbNm/WwrrAMd +4cM4uGYd0w1rw+Wc9I2acztZQw3/t1vJ7pIOJCq07q1BStMoWmhVZ0ssd0b1kqcVxvrM EZD3V86l/Vee2NssThb7P7/H3OxU5z8YUFbEQlUBbxzp+CLvPLwevrloHBOxzkQBKiFJi SCVH1A0BPRkabKkA97rqDJ9STnoi8qxzSnXN7Xp+PSNMcLR/+JqkdYdhiu1rsjbhtIw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792598895; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Date:From:To:Cc: Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To:Organization; bh=BfIuPi2PzsCCRzlgKhGMLtJTfCeu11FC5PErKOZR9Fk=; b=01RYSv/eJ16Znf29e4C6g7LR+1esBkC0Pj1LdfU5Yd4HVv65Avl/qtHNyhlgz2AQruiB r456T/rJMQVdVw1obj61eH5Owg45xBBnRMN2NVhd5+yNIWvg/MZxTWUppLVDpYSJyMA/+ +dRY/JnA9JaiRx+zydctHOuCdMZyQVyrJo+9XpEVdcPkmgn3i/z+Uwt8/aqAbuM8ewjfp RLjFofEd2V88b2ehHNAOvgsLEk+YVtO3jONjpd3OtPkHEGU5m6Zk3pxpl40ACg83jusNR qmOdx/9f1cHtIoM+N4YFB509d4ZWVrS1YfPizE/rIXxUvQMD1kgOIM/qzJHWssDLtAg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=CvQ0u3aB; arc=none smtp.remote-ip=198.175.65.13 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 55C6C606A31A for ; Wed, 21 Oct 2026 16:08:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 55C6C606A31A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=CvQ0u3aB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792598894; x=1824134894; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=fynGI9IxOdP4nN1Vm43mUR4s3SAukKHw5gvQmkS8uig=; b=CvQ0u3aBFf5JLptpFh2k0afOAnWWuwJ9Pxm1mHqPwMhxunz8V3yYsbGU rWfa6gC0wvgeSQftYITTkV5wQPm61dgKzAGvHsk6kUy8jfhWGGuHSCzX5 3kbORsfJc03OWsEQQ07fH22En8FvWq04sgfZdbHDOkkRN3m122qSp+HA0 lOc7B75ckVGfJM/qh/IJH5wOOZ57ypt2khx1WQOFKtCQ8jCmSmiFnZT1F sJrwLcPGEyRaPMfEn4Uj0cbfYkBc2PgD7yLYM9CMdglTwUJqnwDogU4wE 90xB2oyOwKC+ijnxvprL6cMi0OxqMwGe7TMtEvFukE/H6ZeY1ddTmNI3t A==; X-CSE-ConnectionGUID: uUg76I9KSBmn+v7fDL6N6g== X-CSE-MsgGUID: cU1N4dGmRBaoqNV/RKUwBQ== X-IronPort-AV: E=McAfee;i="6800,10657,11942"; a="1205293" X-IronPort-AV: E=Sophos;i="6.27,170,1787036400"; d="scan'208";a="1205293" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2026 09:08:14 -0700 X-CSE-ConnectionGUID: PRzBxMaJQPuIsKgY8+swqg== X-CSE-MsgGUID: bQrhQdSPTRWn8kPLX4NZOQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,170,1787036400"; d="scan'208";a="3071120" Received: from cpetruta-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.245.24]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2026 09:08:13 -0700 Date: Wed, 21 Oct 2026 19:08:10 +0300 From: Andy Shevchenko To: Len Brown Cc: linux-pm@vger.kernel.org, Len Brown Subject: Re: [PATCH 08/18] x86_energy_perf_policy: Bound package iteration Message-ID: References: X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Mon, Oct 19, 2026 at 12:43:29PM -0400, Len Brown wrote: > Add explicit bounds checking against MAX_PACKAGES in for_packages() > to prevent potential out-of-bounds bit shift operations. Can be done differently, but I believe it's not a hot-path or something that needs (micro)optimisations. Reviewed-by: Andy Shevchenko -- With Best Regards, Andy Shevchenko