Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp143025pxb; Mon, 2 Nov 2020 16:45:44 -0800 (PST) X-Google-Smtp-Source: ABdhPJwDAVLlYd00p97hX4/32ClZi1qSdQ0RxNhTXOdyliotPDSHMjTEA/dL+Dgxbk+s45FDD1rT X-Received: by 2002:a17:906:b53:: with SMTP id v19mr17606956ejg.136.1604364344010; Mon, 02 Nov 2020 16:45:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1604364344; cv=none; d=google.com; s=arc-20160816; b=tm1kfd2c4Y+lGe8M7UPrUJ5LjhQ6054Oa0cHqz3+0WrHx/NH2Y2QdHC1VWT4KOOIPr ZdZWqjG3Kj4oG3WCIcvy9spvZeqFLJ1hpjUgNH0KOE7Ct8xxkogsqFx4nGTCbzaDYnBn hiWJxXLMmlE34aC3KCkIK09xHCVcmHsxqsZfko4+j/l0NagDxNok+eLTybIKeGjSyiRh sLS1RTpsbmwdxr/cePvac0t/MtjwgpIRfZBz/MDMO+s0I4olQV5visb1KCUnNpyZOO4n y0MTnwbomp4Dej+dzTjdePkMbaEj//RmzFs2b+fEgyFnuWQiwNR8pGqnmvJdJMAR1Sob kT3A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=M0XtmogHIpWvFQUhGc02iIFm8gUNvTYu+80PWB/6DAE=; b=vMs0rUHFLMG8EGH5uiu/UOvgBf8RkIYfRNIV35r9O33oI0SIL2SUxLWMPN0AUek75T QXBTA/jgEgZ6Iib371qPe+k8P5grMvR/t9nYDFGADKT5r+uolW/B0f/7W6bl/q3qnPTq /a/56/+OXoj9tWM0L1i8hOq7LNUAOYDCPl/lIDyJsjlTaS+dAcv1cJfftk8WddhfFQdL dyPdRpt0PSISltbNlJMjaTQC74ElNMbA42rT7a/WNqmvZHCXCcteLOlrkS/1GAzA3qHf jU5hGiryhHVdsebB466pAkfxyWvYMMPv2VYXli1eyiZuBW/eQWtQ+bqBjWCywwXd1l4y C9hA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v3si10715065eje.479.2020.11.02.16.45.21; Mon, 02 Nov 2020 16:45:43 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726776AbgKCAnT (ORCPT + 99 others); Mon, 2 Nov 2020 19:43:19 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:6736 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725940AbgKCAnT (ORCPT ); Mon, 2 Nov 2020 19:43:19 -0500 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CQ9xY5hbczkd80; Tue, 3 Nov 2020 08:43:13 +0800 (CST) Received: from [10.174.179.182] (10.174.179.182) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.487.0; Tue, 3 Nov 2020 08:43:12 +0800 Subject: Re: [PATCH v4 0/6] resource: introduce union(), intersection() API To: Andy Shevchenko , , Greg Kroah-Hartman , CC: Kuppuswamy Sathyanarayanan , Bjorn Helgaas , References: <20201102210025.53520-1-andriy.shevchenko@linux.intel.com> From: Hanjun Guo Message-ID: <1183267b-3e90-ab71-b1f6-7760ad0ca57c@huawei.com> Date: Tue, 3 Nov 2020 08:43:12 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20201102210025.53520-1-andriy.shevchenko@linux.intel.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.179.182] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/11/3 5:00, Andy Shevchenko wrote: > Some users may want to use resource library to manage their own resources, > besides existing users that open code union() and intersection() > implementations. > > Provide a generic API for wider use. > > Changelog v4: > - added Rb tag (Rafael) > - Cc'ed to LKML and Greg (Rafael) > > Changelog v3: > - rebased on top of v5.10-rc1 > - dropped upstreamed dependencies > - added Rb tag to the last patch (Mika) > > Cc: Kuppuswamy Sathyanarayanan > Cc: Bjorn Helgaas > Cc: linux-pci@vger.kernel.org > > Andy Shevchenko (6): > resource: Simplify region_intersects() by reducing conditionals > resource: Group resource_overlaps() with other inline helpers > resource: Introduce resource_union() for overlapping resources > resource: Introduce resource_intersection() for overlapping resources > PCI/ACPI: Replace open coded variant of resource_union() > ACPI: watchdog: Replace open coded variant of resource_union() > > drivers/acpi/acpi_watchdog.c | 6 +----- > drivers/acpi/pci_root.c | 4 +--- > include/linux/ioport.h | 34 +++++++++++++++++++++++++++------- > kernel/resource.c | 10 +++++----- > 4 files changed, 34 insertions(+), 20 deletions(-) Reviewed-by: Hanjun Guo