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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 B1FBBC43381 for ; Wed, 27 Feb 2019 03:26:08 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7F9F5218D0 for ; Wed, 27 Feb 2019 03:26:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lL0IYVOr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F9F5218D0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Cc:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=MgGK2mU+ocmBZZYIb9AUqqTjxoMfjow298xwljSw5kc=; b=lL0IYVOrPwM5bczxD8qxKBRmEx oOTiSD83s9Sx48qMaud5kKZIF7/1f0+lNqNotuUVtF/0kQqsWpp82/L+nSmhTr5AGXtzGWvzizkBk oQetxHRi+6HamjZDyo14xDJ0tHxHhNPB8CyZiIkrI39G42k3N1cr8n2A6qzASVNBH3fr3cg2kb+jg rUdjUxxaIMQN52n2Mpixr/ODeGo7jKPUbCrQsJC/6pcVZKvlzwhmHV4jrB5dLp6arkWpiPUPzcozf CqP2DDyQWnotIVZAtJnTRRr8IgUT0ojKnGqFDBx86mdW7vugihDv+K1M2iJycVyhSWmBARCeEkURs zoNiUaUA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gyprC-0006iU-5U; Wed, 27 Feb 2019 03:26:06 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gypr9-0006hQ-IK for linux-arm-kernel@lists.infradead.org; Wed, 27 Feb 2019 03:26:05 +0000 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id A38B7C429708B956B1C0; Wed, 27 Feb 2019 11:25:51 +0800 (CST) Received: from [127.0.0.1] (10.177.23.164) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.408.0; Wed, 27 Feb 2019 11:25:45 +0800 Subject: Re: [PATCH 0/5] iommu/arm-smmu-v3: make smmu can be enabled in kdump kernel To: Jean-Philippe Brucker , Robin Murphy , Will Deacon , Joerg Roedel , linux-arm-kernel , iommu , linux-kernel References: <20190219075443.17732-1-thunder.leizhen@huawei.com> From: "Leizhen (ThunderTown)" Message-ID: <5C760337.2070504@huawei.com> Date: Wed, 27 Feb 2019 11:25:43 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <20190219075443.17732-1-thunder.leizhen@huawei.com> X-Originating-IP: [10.177.23.164] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190226_192603_778575_23F47F42 X-CRM114-Status: GOOD ( 12.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Will, Robin: Do you have time to review these patches? Hope you can give me some opinions. On 2019/2/19 15:54, Zhen Lei wrote: > This patch series include two parts: > 1. Patch1-2 use dummy STE tables with "ste abort" hardware feature to abort unexpected > devices accessing. For more details, see the description in patch 2. > 2. If the "ste abort" feature is not support, force the unexpected devices in the > secondary kernel to use the memory maps which it used in the first kernel. For more > details, see patch 5. > > > Zhen Lei (5): > iommu/arm-smmu-v3: make sure the stale caching of L1STD are invalid > iommu/arm-smmu-v3: make smmu can be enabled in kdump kernel > iommu/arm-smmu-v3: add macro xxx_SIZE to replace xxx_DWORDS shift > iommu/arm-smmu-v3: move arm_smmu_get_step_for_sid() a little ahead > iommu/arm-smmu-v3: workaround for STE abort in kdump kernel > > drivers/iommu/arm-smmu-v3.c | 243 +++++++++++++++++++++++++++++++++++--------- > 1 file changed, 194 insertions(+), 49 deletions(-) > -- Thanks! BestRegards _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel