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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 40CB8C001DB for ; Mon, 14 Aug 2023 02:21:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:To:Subject:Cc: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DvKkvP34p7uUvEy0fUHyiyUq5Ep2hPgm1e0fZ7j+Zto=; b=gyABkDEkyg9ZkT FG9eZtLNH9vi50/8C+xRTDx/ZGeEj977iB+cC4z3fdji6pjaN+VINpYQOHvrKKI/eYafyq39pvhm1 dU/dwQfD7SavELWmP93mpozPCRVlo99O6zJbW6uFaW6kmXbLhetKsjYPDIxPPguV50UDwB/mhBTKl E4AlTBKNNHoh6G4oiGDhCBcmgiFkmPAnPDIWqQL1YKWJxvwUA/jYSmuFCRAHs9frFIuCny2n58+H8 GoDrYbZrUzTvgRm1wSbiOw2fY2tBSs8NY6mXd1Hb1R42/cnudkUGbRXPMGvQEpEVyMA5LGuaAlS2H 265XYZJ+Oy5EuD6tWvOA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qVNCG-00G0GY-2d; Mon, 14 Aug 2023 02:20:44 +0000 Received: from mgamail.intel.com ([134.134.136.24]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qVNCD-00G0FM-0m; Mon, 14 Aug 2023 02:20:42 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691979641; x=1723515641; h=message-id:date:mime-version:cc:subject:to:references: from:in-reply-to:content-transfer-encoding; bh=BKroavBK6EnBprtuPd4BTHpO6ajK8Y/4HL8VYFF7pWY=; b=erS6ziD6eOrfBs30IhdNcEGljp0bYzVgMvY+XhEnHB0PhmJ6Zmj5DDBV n6nW/PlyWv9Q1eJ+slDYHbSbfAMpIFqHKroKBWKVt+4+mcwwYuPf3GxDZ BtMKOR3zbq1tiaXFmuWlDWwaGTxbHC3Yg7z1lRijqpWc8SNQGUQqByoMg +1bVuPdqSDjGjin8dIQrshyzIR5Lk6OVtLY1tTd2715Z4hm8R+pWfQlsM +UJojGwks4vxMdoecEjJ7iLqg40ZDEcYYV5a10tP/tQDqEkoffGh5/mNE TXvkDhfT4k9hPjTIYGsYk+d0zLwFBzcRHgFjNZmu4FSHBRTNn1JPSsp+z g==; X-IronPort-AV: E=McAfee;i="6600,9927,10801"; a="374714055" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="374714055" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2023 19:20:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10801"; a="768282809" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="768282809" Received: from blu2-mobl.ccr.corp.intel.com (HELO [10.255.29.49]) ([10.255.29.49]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2023 19:20:28 -0700 Message-ID: <98f23aee-6861-3aa6-d50d-d712985a09c7@linux.intel.com> Date: Mon, 14 Aug 2023 10:20:25 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Cc: baolu.lu@linux.intel.com, Dmitry Osipenko , Marek Szyprowski , Nicolin Chen , Niklas Schnelle , Steven Price , Thierry Reding Subject: Re: [PATCH v6 04/25] iommu: Add IOMMU_DOMAIN_PLATFORM for S390 Content-Language: en-US To: Jason Gunthorpe , Andy Gross , Alim Akhtar , Bjorn Andersson , AngeloGioacchino Del Regno , Baolin Wang , Christophe Leroy , Gerald Schaefer , Heiko Stuebner , iommu@lists.linux.dev, Jernej Skrabec , Jonathan Hunter , Joerg Roedel , Kevin Tian , Konrad Dybcio , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, Russell King , linuxppc-dev@lists.ozlabs.org, Matthias Brugger , Matthew Rosato , Michael Ellerman , Nicholas Piggin , Orson Zhai , Rob Clark , Robin Murphy , Samuel Holland , Thierry Reding , Krishna Reddy , Chen-Yu Tsai , Will Deacon , Yong Wu , Chunyan Zhang References: <4-v6-e8114faedade+425-iommu_all_defdom_jgg@nvidia.com> From: Baolu Lu In-Reply-To: <4-v6-e8114faedade+425-iommu_all_defdom_jgg@nvidia.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230813_192041_377046_4AF9259F X-CRM114-Status: GOOD ( 13.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2023/8/3 8:07, Jason Gunthorpe wrote: > The PLATFORM domain will be set as the default domain and attached as > normal during probe. The driver will ignore the initial attach from a NULL > domain to the PLATFORM domain. > > After this, the PLATFORM domain's attach_dev will be called whenever we > detach from an UNMANAGED domain (eg for VFIO). This is the same time the > original design would have called op->detach_dev(). > > This is temporary until the S390 dma-iommu.c conversion is merged. > > Tested-by: Heiko Stuebner > Tested-by: Niklas Schnelle > Signed-off-by: Jason Gunthorpe > --- > drivers/iommu/s390-iommu.c | 21 +++++++++++++++++++-- > 1 file changed, 19 insertions(+), 2 deletions(-) Reviewed-by: Lu Baolu Best regards, baolu _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel