From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Leizhen (ThunderTown)" Subject: Re: [PATCH 0/5] iommu/arm-smmu-v3: make smmu can be enabled in kdump kernel Date: Wed, 27 Feb 2019 11:25:43 +0800 Message-ID: <5C760337.2070504@huawei.com> References: <20190219075443.17732-1-thunder.leizhen@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190219075443.17732-1-thunder.leizhen@huawei.com> Sender: linux-kernel-owner@vger.kernel.org To: Jean-Philippe Brucker , Robin Murphy , Will Deacon , Joerg Roedel , linux-arm-kernel , iommu , linux-kernel List-Id: iommu@lists.linux-foundation.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