From patchwork Thu Apr 16 15:42:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 11493251 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 58A9F186E for ; Thu, 16 Apr 2020 15:44:57 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3B44B214AF for ; Thu, 16 Apr 2020 15:44:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3B44B214AF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jP6fI-0005ru-QA; Thu, 16 Apr 2020 15:42:56 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jP6fH-0005rp-65 for xen-devel@lists.xenproject.org; Thu, 16 Apr 2020 15:42:55 +0000 X-Inumbo-ID: efdc777a-7ff8-11ea-b4f4-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id efdc777a-7ff8-11ea-b4f4-bc764e2007e4; Thu, 16 Apr 2020 15:42:54 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 11271AC79; Thu, 16 Apr 2020 15:42:53 +0000 (UTC) To: "xen-devel@lists.xenproject.org" From: Jan Beulich Subject: [PATCH 0/6] x86/mem-paging: misc cleanup Message-ID: <3b7cc69d-709c-570a-716a-c45f6fda181f@suse.com> Date: Thu, 16 Apr 2020 17:42:47 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 Content-Language: en-US X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Wei Liu , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Repeatedly looking at varying parts of this code has lead to me accumulating a few adjustments. 1: fold p2m_mem_paging_prep()'s main if()-s 2: correct p2m_mem_paging_prep()'s error handling 3: use guest handle for XENMEM_paging_op_prep 4: add minimal lock order enforcement to p2m_mem_paging_prep() 5: move code to its dedicated source file 6: consistently use gfn_t Jan