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 E5BCAC433F5 for ; Fri, 4 Mar 2022 17:30:16 +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=1nYB1MS72T81frUidxQ8fUkmoe65xcHcWG6b4kdBmmc=; b=UBaHYfuda1NmND WEHupetKnFFnem1gkgAyH6kFavSYCQlXxOysd1mxX1aSPQJ1JZDJaNP1W4petd6O01NoEJlup6C70 PFURxULf/Yz1rzPvKNnJT1tNfjim1mNT9QgtdSEjdjBDrX3WRsRLwLpsJJ3A32IdLndTt1d7Uz+X3 fdtNxXRDun4YZI7Dgir4NBeVWtyOzzkJQIw2kHlo9fTVJQnCYJ0f4d7J60DmEs3OfMjaKO1i51I7c rae9vfrUqvymXTp6UepKm26i/JDBIFS8MoP/mpP6pBpmZLJkKrPlDxUBjShFI805K6UTNFQvkQ+qR 4wIEVVJ0LENImVm15WVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nQBkj-00BLra-SR; Fri, 04 Mar 2022 17:30:05 +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-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=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-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv