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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 94183C4338F for ; Wed, 25 Aug 2021 00:29:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7238D61373 for ; Wed, 25 Aug 2021 00:29:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236417AbhHYAaW (ORCPT ); Tue, 24 Aug 2021 20:30:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231552AbhHYAaQ (ORCPT ); Tue, 24 Aug 2021 20:30:16 -0400 Received: from mail-qk1-x734.google.com (mail-qk1-x734.google.com [IPv6:2607:f8b0:4864:20::734]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98CEEC061757 for ; Tue, 24 Aug 2021 17:29:31 -0700 (PDT) Received: by mail-qk1-x734.google.com with SMTP id m21so25235830qkm.13 for ; Tue, 24 Aug 2021 17:29:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=V5mTUznFCqtdTNIveY/eE2RMb0PnUbEAJ5SnKY3J21Y=; b=L2rG1RTSBa8GTG5tJcn5hIeel9gC87noTcVmj+IRDQq8tvUb1P4T+7d/gCwuh3DEgl vsaHIlQTAZDIYkeTkXa4hBELmynfDmo1pIHGxT5LaUE7WUBcOYGlm8HLet2w697n8iAU 4IBWA+cJQqVIq2bNTCBdXxUWW/s+JWecsEGMJjDriPvVp0pz6dqaBXiP4lGUp7Og2h9t MEghk8+a41qhRojQGMgNLVZ+mL30OkJaXQAA00A9zR49aSQEJotgeVDjVUfm4YTecK7r cOLlXkN4napOx1Ue32UwZRUb1RJccJgwd5q29f61fFIn0q1fG4TFduac33aSbpIUI7DW 6+Gg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=V5mTUznFCqtdTNIveY/eE2RMb0PnUbEAJ5SnKY3J21Y=; b=Sof17Ig/T6Ll+HjWivQlkQMHIJ1wnHJvng6yUnNIxK/AZ5cHZt+A/0xvcmBAUfR5D3 ru8WLqWKEZHFpHCTugjDnvGYoTecCRAKq6XwvrTJX84lyv+RtPnjCrrhaiECBWLLHR4q 9hIlH1aEksveatUw5Zy2RTwvJsQnaDHUHjePHfGc67ORZ3mAB5yUVQGcyG/isACoOGim qwX3n2lHAkL2tPJWQR9c0idU9dgev/yMVV5Hv6zZfLxPyyOVZ4LQeIDAw4IDUX1z0uX5 tdE5hVR8xzA3NxmoGFe8uUMomBicHrPgAmkvXSe7Sx/4gY+VpUHAmUs4+iD6wniKqwTz PpbA== X-Gm-Message-State: AOAM532dkpMt1ZCibu0Zipxj4hlFdtvOwChysJ8DXakSOIZboNd6efak 2q6stqhKa+INO1afmRQRKMo9rg== X-Google-Smtp-Source: ABdhPJzX9dC1361DfA5yptSNWxoZqIKexgKrFu6h0WA/2Q1ILrhp94zPIWccdYsMkxoEZtdlpGUJhw== X-Received: by 2002:a37:a104:: with SMTP id k4mr29365917qke.382.1629851370856; Tue, 24 Aug 2021 17:29:30 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-162-113-129.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.162.113.129]) by smtp.gmail.com with ESMTPSA id t66sm11880569qkc.3.2021.08.24.17.29.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Aug 2021 17:29:30 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1mIgnJ-004jAP-Qi; Tue, 24 Aug 2021 21:29:29 -0300 Date: Tue, 24 Aug 2021 21:29:29 -0300 From: Jason Gunthorpe To: Christoph Hellwig Cc: Alex Williamson , Diana Craciun , Cornelia Huck , Kirti Wankhede , Eric Auger , kvm@vger.kernel.org Subject: Re: [PATCH 12/14] vfio/spapr_tce: reject mediated devices Message-ID: <20210825002929.GS543798@ziepe.ca> References: <20210824144649.1488190-1-hch@lst.de> <20210824144649.1488190-13-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210824144649.1488190-13-hch@lst.de> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Tue, Aug 24, 2021 at 04:46:47PM +0200, Christoph Hellwig wrote: > Unlike the the type1 IOMMU backend, the SPAPR one does not contain any > support for the magic non-IOMMU backed iommu_group used by mediated > devices, so reject them in ->attach_group. > > Signed-off-by: Christoph Hellwig > --- > drivers/vfio/vfio_iommu_spapr_tce.c | 3 +++ > 1 file changed, 3 insertions(+) Reviewed-by: Jason Gunthorpe Jason