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 X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 225B5C433B4 for ; Tue, 11 May 2021 17:01:10 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 9AA91610C9 for ; Tue, 11 May 2021 17:01:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9AA91610C9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 335C283C17; Tue, 11 May 2021 17:01:09 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LnVGSSCw9SuH; Tue, 11 May 2021 17:01:08 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTP id 11B0C83C11; Tue, 11 May 2021 17:01:07 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id A3C21C000E; Tue, 11 May 2021 17:01:07 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [IPv6:2605:bc80:3010::136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 54EB5C0001 for ; Tue, 11 May 2021 17:01:06 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 3BD9E60683 for ; Tue, 11 May 2021 17:01:06 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Ww1I4JpSpHmZ for ; Tue, 11 May 2021 17:01:05 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by smtp3.osuosl.org (Postfix) with ESMTPS id 95F026066B for ; Tue, 11 May 2021 17:01:05 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 14EDB67373; Tue, 11 May 2021 19:01:02 +0200 (CEST) Date: Tue, 11 May 2021 19:01:01 +0200 From: Christoph Hellwig To: Stefano Stabellini Subject: Re: Regression when booting 5.15 as dom0 on arm64 (WAS: Re: [linux-linus test] 161829: regressions - FAIL)] Message-ID: <20210511170101.GA20936@lst.de> References: <4ea1e89f-a7a0-7664-470c-b3cf773a1031@xen.org> <20210510084057.GA933@lst.de> <20210511063558.GA7605@lst.de> <20210511164933.GA19775@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: f.fainelli@gmail.com, Julien Grall , Konrad Rzeszutek Wilk , osstest service owner , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, "xen-devel@lists.xenproject.org" , Boris Ostrovsky , Christoph Hellwig X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Tue, May 11, 2021 at 09:51:20AM -0700, Stefano Stabellini wrote: > On Tue, 11 May 2021, Christoph Hellwig wrote: > > On Tue, May 11, 2021 at 09:47:33AM -0700, Stefano Stabellini wrote: > > > That's a much better plan. It is also not super urgent, so maybe for now > > > we could add an explicit check for io_tlb_default_mem != NULL at the > > > beginning of xen_swiotlb_init? So that at least we can fail explicitly > > > or ignore it explicitly rather than by accident. > > > > Fine with me. Do you want to take over from here and test and submit > > your version? > > I can do that. Can I add your signed-off-by for your original fix? Sure: Signed-off-by: Christoph Hellwig _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu