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 D6E6BC04FDF for ; Mon, 14 Aug 2023 06:35:09 +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=7Yo6dmYQf99rNNiytlMhymJWnVrWfUAVyQvxRhdcbEs=; b=yunuiVSmeSm0V3 srXH+QN113HLXBklbhjI/9JNh2Uqx+urjS02pSQFvGE23d31mniHyoH2rSqUBfEHhdAeoSxP48wMk hk9BmbK5Rn0cd7oANVUV0kPvQAwSwJyRGig8njtr6YpK4uubJqf6y0an+H+GGJnbmj+Hw1sF/840k eT5ymsNIQExLAQDraUFqv40l3abHomWWLs83ltG19GAnxaJpI3ba0AToXN6kFc+aXp9uCXSG+3K5l +boOFatA3Q3gZFI8Ab1b3jRilFp8BIj6sAEy4WDZmubBJjbaaEzm7ubuK6r9eKpKbEJZTIgOXr0XV 08SNi/KfabTwL+PDjQdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qVRA6-00GHSF-0A; Mon, 14 Aug 2023 06:34:46 +0000 Received: from mgamail.intel.com ([134.134.136.24]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qVRA3-00GHRZ-01; Mon, 14 Aug 2023 06:34:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691994882; x=1723530882; h=message-id:date:mime-version:cc:subject:to:references: from:in-reply-to:content-transfer-encoding; bh=SV1XM/mW2ABuCqYRs/3iFjEijdHsFUSy0zTH9to0WAQ=; b=a1M30bJ3oij+jiGDdimXTSm46phV02pLQTgVDeyguyDZOv/H407a5VqW kWBYmPoefJm9pbETaVatZz964CYeNQ3DrHkXeD3ooqEFICTa5YobKrEN3 rAEe8sHRvxNanYYB3/mOe/+0W0MtlKFuiLwXMSEFfKrdo2cgdFtOmqekJ U2LLcbTLmFBa8mi1MRKWANDv/b4SY595hswFR22dsYtuDiZAe5rFJonx/ jgOF2jLTa+8qORtZelJK3VnN7CJ2YoyYJwCeVy3CgQ/5P0+/H3zYFcszJ TXqbyIuoF3gbU+AsHlNKzzkCix3aqSpsbMH0BCwacH1uj1Y74bsTO5Mce g==; X-IronPort-AV: E=McAfee;i="6600,9927,10801"; a="374740577" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="374740577" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2023 23:34:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10801"; a="736431396" X-IronPort-AV: E=Sophos;i="6.01,171,1684825200"; d="scan'208";a="736431396" Received: from wentaox1-mobl.ccr.corp.intel.com (HELO [10.254.215.205]) ([10.254.215.205]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2023 23:34:29 -0700 Message-ID: <4af2fcdb-6c38-8b54-3043-c6da15198dcc@linux.intel.com> Date: Mon, 14 Aug 2023 14:34:27 +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 18/25] iommu/ipmmu: Add an IOMMU_IDENTITIY_DOMAIN 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: <18-v6-e8114faedade+425-iommu_all_defdom_jgg@nvidia.com> From: Baolu Lu In-Reply-To: <18-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_233443_084611_7A9A179A X-CRM114-Status: UNSURE ( 8.54 ) X-CRM114-Notice: Please train this message. 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 8:08, Jason Gunthorpe wrote: > This brings back the ops->detach_dev() code that commit > 1b932ceddd19 ("iommu: Remove detach_dev callbacks") deleted and turns it > into an IDENTITY domain. > > Also reverts commit 584d334b1393 ("iommu/ipmmu-vmsa: Remove > ipmmu_utlb_disable()") > > Signed-off-by: Jason Gunthorpe > --- > drivers/iommu/ipmmu-vmsa.c | 43 ++++++++++++++++++++++++++++++++++++++ > 1 file changed, 43 insertions(+) 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