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=-3.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 EFFEBC4727E for ; Wed, 30 Sep 2020 15:21:03 +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 657F221481 for ; Wed, 30 Sep 2020 15:21:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="tYCl/2l9"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="rv9d/q3M" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 657F221481 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linutronix.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 silver.osuosl.org (Postfix) with ESMTP id 09C7B2107D; Wed, 30 Sep 2020 15:21:03 +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 ZDtPCRLKq+15; Wed, 30 Sep 2020 15:20:59 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 01CD72264A; Wed, 30 Sep 2020 15:20:59 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id E0195C0890; Wed, 30 Sep 2020 15:20:58 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 973C3C016F for ; Wed, 30 Sep 2020 15:20:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 825A522636 for ; Wed, 30 Sep 2020 15:20:57 +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 rmEG1z6ALX9p for ; Wed, 30 Sep 2020 15:20:56 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by silver.osuosl.org (Postfix) with ESMTPS id 1AD2A2264A for ; Wed, 30 Sep 2020 15:20:56 +0000 (UTC) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1601479252; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=8oFwCHrN/W6WTNQvqTZiyA5hlMY4vck+KbQYcROkbgY=; b=tYCl/2l9R4E995Qh3NpKoAyGCVWL3mDAoINqMv/wNuGX6S4HLY1wMVi/opGNyehAjnBuMJ J/mFnxqGJi9y1lrDtU8LnMFno2uyNWDnp52TihMLBsugausO/YZBw9cbDzave2vbIBXeT8 c9XBrJIFqei726uvASaVWHUY0kaV6FfyTCQHpLR8sEmrbwtoP4kxIIsZD7IACBeeRFwZRn 7ON7hpLw5Uvl1DVWD6PmixAFdMiv1ob39g6MMUQOdgyjsZ5EuJng24RutTqLc8w0qmwBjO sK7GXvZRJiyMy6q4MjQkl7MaHjpAFd5Jhp3xPljWJGbGpYvLtX3WFJdeM0y38A== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1601479252; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=8oFwCHrN/W6WTNQvqTZiyA5hlMY4vck+KbQYcROkbgY=; b=rv9d/q3MBb3+XU/aNA8ggIe1jaJhGhyVmeVzqZNtV+VXBu3CX7H3vdb/c69eCm+ZLdQNzU yUPJ6t5/jmsl7jBg== To: Jason Gunthorpe Subject: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI In-Reply-To: <20200930114301.GD816047@nvidia.com> References: <20200826111628.794979401@linutronix.de> <10b5d933-f104-7699-341a-0afb16640d54@intel.com> <87v9fvix5f.fsf@nanos.tec.linutronix.de> <20200930114301.GD816047@nvidia.com> Date: Wed, 30 Sep 2020 17:20:52 +0200 Message-ID: <87k0wbi94b.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Cc: Dimitri Sivanich , linux-hyperv@vger.kernel.org, Steve Wahl , linux-pci@vger.kernel.org, "K. Y. Srinivasan" , Dan Williams , Wei Liu , Stephen Hemminger , Baolu Lu , Marc Zyngier , x86@kernel.org, "Dey, Megha" , xen-devel@lists.xenproject.org, ravi.v.shankar@intel.com, Kevin Tian , Konrad Rzeszutek Wilk , Haiyang Zhang , Alex Williamson , Stefano Stabellini , Bjorn Helgaas , Dave Jiang , Boris Ostrovsky , Jon Derrick , Juergen Gross , Russ Anderson , Greg Kroah-Hartman , LKML , iommu@lists.linux-foundation.org, Jacob Pan , "Rafael J. Wysocki" 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 Wed, Sep 30 2020 at 08:43, Jason Gunthorpe wrote: > On Wed, Sep 30, 2020 at 08:41:48AM +0200, Thomas Gleixner wrote: >> On Tue, Sep 29 2020 at 16:03, Megha Dey wrote: >> > On 8/26/2020 4:16 AM, Thomas Gleixner wrote: >> >> #9 is obviously just for the folks interested in IMS >> >> >> > >> > I see that the tip tree (as of 9/29) has most of these patches but >> > notice that the DEV_MSI related patches >> > >> > haven't made it. I have tested the tip tree(x86/irq branch) with your >> > DEV_MSI infra patches and our IMS patches with the IDXD driver and was >> >> Your IMS patches? Why do you need something special again? >> >> > wondering if we should push out those patches as part of our patchset? >> >> As I don't have any hardware to test that, I was waiting for you and >> Jason to confirm that this actually works for the two different IMS >> implementations. > > How urgently do you need this? The code looked good from what I > understood. It will be a while before we have all the parts to send an > actual patch though. I personally do not need it at all :) Megha might have different thoughts... > We might be able to put together a mockup just to prove it If that makes Megha's stuff going that would of course be appreciated, but we can defer the IMS_QUEUE part for later. It's orthogonal to the IMS_ARRAY stuff. Thanks, tglx _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu