From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F3E34C433EF for ; Fri, 4 Mar 2022 17:30:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DxuWpWHUC62eKrgKgQ2w2McBSepIE6kzUWvLGq+Tklo=; b=n0gkyy+zKDHd3V 1N5zp/XQgt8okp2d77TJv62oGmTqCpq9xiF6NlqGGVvCt0l4aEukEwIEHUJNPIo0A0+YphoQwVPt6 5p5Er32+wtrQDezBbz11QgfZePbCRWfWeG2ScsNjkeR3ZKL6fbLAy4d3/kXTNvCMirJSRA9OhMimb SPdLxL19sOeZRmhBamEUtPhAwwLNRh8q6SF/7kD/fz3m10+WeXcpf2xYV0DZPwxySZzEM65+e24Jm 0xX2ytgrFnw9m4C5X/XpkViHuyRmgHJVBAJdehC4D+DyBlpCdBHNkpEDik0y8jhEWu5nYPHvTga7Y ygX7uZCK9GUayJu/7HfQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nQBjr-00BLNK-Iy; Fri, 04 Mar 2022 17:29:13 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nQBjl-00BLK6-BS; Fri, 04 Mar 2022 17:29:06 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id C0EE168AFE; Fri, 4 Mar 2022 18:28:59 +0100 (CET) Date: Fri, 4 Mar 2022 18:28:59 +0100 From: Christoph Hellwig To: Boris Ostrovsky Cc: Stefano Stabellini , Christoph Hellwig , 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 Subject: Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb Message-ID: <20220304172859.GA12860@lst.de> References: <20220301105311.885699-1-hch@lst.de> <20220301105311.885699-12-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220304_092905_576700_0D93CBDA X-CRM114-Status: GOOD ( 13.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel