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dkim=none (message not signed) header.d=none;suse.com; dmarc=none action=none header.from=oracle.com; Subject: Re: [PATCH 2/2] xen/swiotlb: check if the swiotlb has already been initialized To: Stefano Stabellini , xen-devel@lists.xenproject.org Cc: hch@lst.de, linux-kernel@vger.kernel.org, Stefano Stabellini , jgross@suse.com References: <20210511174142.12742-2-sstabellini@kernel.org> From: Boris Ostrovsky Message-ID: <2e5a684b-3c74-5efc-2946-8ca002894ab4@oracle.com> Date: Tue, 11 May 2021 19:37:47 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 In-Reply-To: <20210511174142.12742-2-sstabellini@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Originating-IP: [160.34.89.70] X-ClientProxiedBy: SN6PR01CA0014.prod.exchangelabs.com (2603:10b6:805:b6::27) To BLAPR10MB5009.namprd10.prod.outlook.com (2603:10b6:208:321::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: cec55a77-a621-4bf3-8fe9-08d914d5caac X-MS-TrafficTypeDiagnostic: BLAPR10MB5203: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1284; 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> char *start; > > + if (io_tlb_default_mem != NULL) { > + printk(KERN_WARNING "Xen-SWIOTLB: swiotlb buffer already initialized\n"); pr_warn(). Reviewed-by: Boris Ostrovsky