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[209.132.180.67]) by mx.google.com with ESMTP id m6si30473818pgq.116.2019.04.29.05.18.57; Mon, 29 Apr 2019 05:19:13 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@arista.com header.s=googlenew header.b=FBMROBQe; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=REJECT dis=NONE) header.from=arista.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728109AbfD2MR6 (ORCPT + 99 others); Mon, 29 Apr 2019 08:17:58 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:37855 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727913AbfD2MR5 (ORCPT ); Mon, 29 Apr 2019 08:17:57 -0400 Received: by mail-wm1-f67.google.com with SMTP id y5so14499722wma.2 for ; Mon, 29 Apr 2019 05:17:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arista.com; s=googlenew; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=a7DlJaTbTNvFX68xDqMIysKa66WvtISND+ST6l40r4o=; b=FBMROBQeOH6h3eUXycnL1eVmXPv/W8DNxbzlOukDZhwV0KHK/Bidvn6Znnb/U+NnPk u0RE93Fi6qEqRz3WHdtssqlNLBYqALzZNYi2cvX3pqZhoknJdPhbEv1+demtMX2b1auw RNcO/FMauPbBwXsG1jLIOsAXLhML5U7WA1mU6THHF5s+XKnVcL9rg/jlMcNnaQsM21jD Yeo78SOTIXjGee3DJDGMe2PHZqyFV4RX04b/CdKviREP2/LUUy5pc7Yc07TkimC1ib9L Ex/ZAXrNt+AwXyu30jKwR1cqPTv4PS6DRb4tUYiRCTbbrSGFyG28OHLfKodLjWI9qpVQ 6Jwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=a7DlJaTbTNvFX68xDqMIysKa66WvtISND+ST6l40r4o=; b=MJn3acCNchdBmEomkM+l3weyxXjyzkd8DlpbpPEnbI67vorgRFQz9AY4VhGiDP+JO5 KNMADFXzu/f3lLj2+l+bHSOyqtNeFLiE/ngiCpInwcg+JbGQicA8scslEy/3qRlqe54O z83+T6esMgRLb+fshQp7DkfaKuVb38n7xh2qQP7Dp8fA7qDKBGa40DjQ+z/n5Cev8uUy hykpuy6zcuz/ZW3JYCUSOEWNEZqKjwNig5S005fq1MOWh1NDX4dNBoHFPSNBxV0ppUPQ Quptk28YajP3k722OZ9vGuAVb5ClaNUNcKyT4Ep56XiCAalSMYkflGj3ojULR+ayu2Nd bG5w== X-Gm-Message-State: APjAAAUm4bOFB2ld4UBf4DYBbKoH/Umob2Z31nKyG+KDKqYHhQ6fPf3H rG8udcgfJzrVDnbkKapEjjdotgps/r6tSU4W22LciA== X-Received: by 2002:a1c:c142:: with SMTP id r63mr17922446wmf.97.1556540275726; Mon, 29 Apr 2019 05:17:55 -0700 (PDT) MIME-Version: 1.0 References: <20190424165051.13614-1-tmurphy@arista.com> <20190426140429.GG24576@8bytes.org> <20190429115916.GA5349@infradead.org> In-Reply-To: <20190429115916.GA5349@infradead.org> From: Tom Murphy Date: Mon, 29 Apr 2019 13:17:44 +0100 Message-ID: Subject: Re: [PATCH v1] iommu/amd: flush not present cache in iommu_map_page To: Christoph Hellwig Cc: Joerg Roedel , iommu@lists.linux-foundation.org, Tom Murphy , linux-kernel@vger.kernel.org, Lu Baolu , James Sewart Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 29, 2019 at 12:59 PM Christoph Hellwig wrote: > > On Sat, Apr 27, 2019 at 03:20:35PM +0100, Tom Murphy wrote: > > I am working on another patch to improve the intel iotlb flushing in > > the iommu ops patch which should cover this too. > > So are you looking into converting the intel-iommu driver to use > dma-iommu as well? That would be great! Yes. My patches depend on the "iommu/vt-d: Delegate DMA domain to generic iommu" patch which is currently being reviewed.