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=-0.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 8FC6FC2BA2B for ; Thu, 16 Apr 2020 07:29:03 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 4714B206D5 for ; Thu, 16 Apr 2020 07:29:02 +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="ZQMTfiSf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4714B206D5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 48A4E2013C; Thu, 16 Apr 2020 07:29:02 +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 lq98JSiL6ViG; Thu, 16 Apr 2020 07:29:01 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 784CE2036D; Thu, 16 Apr 2020 07:29:01 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4A9CAC089E; Thu, 16 Apr 2020 07:29:01 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id D50C3C0172 for ; Thu, 16 Apr 2020 07:28:55 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id D0F498471C for ; Thu, 16 Apr 2020 07:28:55 +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 8SBuM1pnwRb7 for ; Thu, 16 Apr 2020 07:28:54 +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 whitealder.osuosl.org (Postfix) with ESMTPS id 84C968401E for ; Thu, 16 Apr 2020 07:28:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=jphD0QxUkx58Leqoht9un+IW160yDSl4a16sN6p0wp0=; b=ZQMTfiSf0WNZaROzM2Vhq2JZIW flXWEldz7UFTJIRSqBk3edg5nQSUF6LsWtPN+mawKB4PsOsdkxYadKG8t1s+1HIyvjGViM+/4u9XJ sgPwv3FT/YG+CfgsVteNEl5xbrhxqk9RuXFgnRaUgaEUWVkwUoI4/jt/bXvBlrJVdXXG3LOUI7axo EZJxFj7JnlE9kwMDzkbS/YdTknhS9MaRxElQ9Zw+X7NQaTkjHzqWCOaA3K7u8MzLxFSeFj+5JpGfy g45mkULRGMxSAE63aQiVISOPNMz3DDBt98u/jefGfgi26MakebbHZn+tDgCIHIRaECC9QSl/RRB5L zV3sruZQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOyxA-00058d-St; Thu, 16 Apr 2020 07:28:52 +0000 Date: Thu, 16 Apr 2020 00:28:52 -0700 From: Christoph Hellwig To: Jean-Philippe Brucker Subject: Re: [PATCH v5 02/25] iommu/sva: Manage process address spaces Message-ID: <20200416072852.GA32000@infradead.org> References: <20200414170252.714402-1-jean-philippe@linaro.org> <20200414170252.714402-3-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200414170252.714402-3-jean-philippe@linaro.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Cc: devicetree@vger.kernel.org, kevin.tian@intel.com, jgg@ziepe.ca, linux-pci@vger.kernel.org, robin.murphy@arm.com, linux-mm@kvack.org, iommu@lists.linux-foundation.org, catalin.marinas@arm.com, zhangfei.gao@linaro.org, will@kernel.org, christian.koenig@amd.com, linux-arm-kernel@lists.infradead.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" > + rcu_read_lock(); > + hlist_for_each_entry_rcu(bond, &io_mm->devices, mm_node) > + io_mm->ops->invalidate(bond->sva.dev, io_mm->pasid, io_mm->ctx, > + start, end - start); > + rcu_read_unlock(); > +} What is the reason that the devices don't register their own notifiers? This kinds of multiplexing is always rather messy, and you do it for all the methods. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu