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=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 3E5F1C3524A for ; Tue, 4 Feb 2020 06:32:12 +0000 (UTC) Received: from whitealder.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 0C28F21582 for ; Tue, 4 Feb 2020 06:32:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="tpzlqOww" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0C28F21582 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 whitealder.osuosl.org (Postfix) with ESMTP id D07A484EB9; Tue, 4 Feb 2020 06:32:11 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lcZPoFlklQvd; Tue, 4 Feb 2020 06:32:11 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 2855F84EAD; Tue, 4 Feb 2020 06:32:11 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 071C3C1D81; Tue, 4 Feb 2020 06:32:11 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 53A08C0174 for ; Tue, 4 Feb 2020 06:32:09 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 39EED203F1 for ; Tue, 4 Feb 2020 06:32:09 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2g3pXFjKEpfo for ; Tue, 4 Feb 2020 06:32:08 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by silver.osuosl.org (Postfix) with ESMTPS id 33C562014A for ; Tue, 4 Feb 2020 06:32:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=1QxZjRqjnFjTb1sgbB1Wf34MvqsNRVQ5mMrKgwxIKOk=; b=tpzlqOwwPTA6HAldDsz5llSXDr mRaGNkFoeTvS5vXPKpY0XND5lRWQsE0JzKsluyNZwfavotkwNNhQy1hcJ0ZeZ17ln5k89EyxhhloA qfkLr/LnX1whiO8sYjFoDDHrLKKU0vpMylgSYDBgHKdvUYVLZX4lzo5hl9t6Wq8otkRFDJEf0teCs r/+0qF+GdpM9hvpPywkPuekpf9P8vh8ogO4nBCZg8s5XoIBAczfAFJbtfLjZCRlY+156M0ZNd5KTR fmWmdkqvKQHJSMS7dW5JHpIeWmRdUSqXqb7KpB6tqf2Vjs4kCQYMAr4uQrx20tIGkY0wlb1WLq6c2 DKZLRzOA==; Received: from [2001:4bb8:184:589f:5d35:7054:f1cc:c43d] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1iyrkl-00088Q-Bh; Tue, 04 Feb 2020 06:32:07 +0000 From: Christoph Hellwig To: Konrad Rzeszutek Wilk Subject: improve dma-direct / swiotlb error reporting Date: Tue, 4 Feb 2020 07:32:03 +0100 Message-Id: <20200204063205.652456-1-hch@lst.de> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Cc: iommu@lists.linux-foundation.org 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" Hi all, this small series improves the message when the dma mask overflows, and splits the warning for the genuine dma mask overflow from that of a not addressable swiotlb buffer to help better diagnosing the root cause. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu