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b=NnBzQt7imRTHEphuBC6woD/cADs09z/aaC1r+Y3jg/g5qsbrm3aPy4GokflAao62PpIuAw09SvbGeEQTqcl0bxaM8QC8YH7R/mNV5fuVtu7g4380Mt+drmSoWP4+0vJq+U9eXaU9rynCa9+aSjQcmprrqRuxXGdbTLguLyUUj0E= Received: from BLAPR10MB5009.namprd10.prod.outlook.com (2603:10b6:208:321::10) by CY4PR10MB1285.namprd10.prod.outlook.com (2603:10b6:903:2a::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5038.17; Fri, 4 Mar 2022 17:36:23 +0000 Received: from BLAPR10MB5009.namprd10.prod.outlook.com ([fe80::6d20:6694:a16:56f7]) by BLAPR10MB5009.namprd10.prod.outlook.com ([fe80::6d20:6694:a16:56f7%3]) with mapi id 15.20.5038.017; Fri, 4 Mar 2022 17:36:23 +0000 Message-ID: Date: Fri, 4 Mar 2022 12:36:17 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb Content-Language: en-US To: Christoph Hellwig Cc: Stefano Stabellini , iommu@lists.linux-foundation.org, x86@kernel.org, Anshuman Khandual , Tom Lendacky , Konrad Rzeszutek Wilk , Juergen Gross , Joerg Roedel , David Woodhouse , Lu Baolu , Robin Murphy , linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, tboot-devel@lists.sourceforge.net, linux-pci@vger.kernel.org References: <20220301105311.885699-1-hch@lst.de> <20220301105311.885699-12-hch@lst.de> <20220304172859.GA12860@lst.de> From: Boris Ostrovsky In-Reply-To: <20220304172859.GA12860@lst.de> X-ClientProxiedBy: SN4PR0501CA0134.namprd05.prod.outlook.com (2603:10b6:803:2c::12) To BLAPR10MB5009.namprd10.prod.outlook.com (2603:10b6:208:321::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 7e7187f7-d4db-4948-94b2-08d9fe05803a X-MS-TrafficTypeDiagnostic: CY4PR10MB1285:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 3/4/22 12:28 PM, Christoph Hellwig wrote: > On Wed, Mar 02, 2022 at 08:15:03AM -0500, Boris Ostrovsky wrote: >> Not for me, I fail to boot with >> >> [ 52.202000] bnxt_en 0000:31:00.0: swiotlb buffer is full (sz: 256 bytes), total 0 (slots), used 0 (slots) >> >> (this is iscsi root so I need the NIC). >> >> >> I bisected it to "x86: remove the IOMMU table infrastructure" but haven't actually looked at the code yet. > That looks like the swiotlb buffer did not get initialized at all, but I > can't really explain why. > > Can you stick in a printk and see if xen_swiotlb_init_early gets called > at all? Actually, that's the only thing I did do so far and yes, it does get called. -boris _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel