From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:22350 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725808AbgE2WQe (ORCPT ); Fri, 29 May 2020 18:16:34 -0400 Received: by mail-qt1-f200.google.com with SMTP id t24so4179096qtj.15 for ; Fri, 29 May 2020 15:16:26 -0700 (PDT) Date: Fri, 29 May 2020 15:16:23 -0700 From: Jerry Snitselaar Subject: Re: [PATCH v2 00/33] iommu: Move iommu_group setup to IOMMU core code Message-ID: <20200529221623.qc6twmpzryh7nkvb@cantor> Reply-To: Jerry Snitselaar References: <20200414131542.25608-1-joro@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline In-Reply-To: <20200414131542.25608-1-joro@8bytes.org> Sender: linux-s390-owner@vger.kernel.org List-ID: To: Joerg Roedel Cc: Will Deacon , Robin Murphy , Marek Szyprowski , Kukjin Kim , Krzysztof Kozlowski , David Woodhouse , Lu Baolu , Andy Gross , Bjorn Andersson , Matthias Brugger , Rob Clark , Heiko Stuebner , Gerald Schaefer , Thierry Reding , Jonathan Hunter , Jean-Philippe Brucker , linux-s390@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-rockchip@lists.infradead.org, iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org On Tue Apr 14 20, Joerg Roedel wrote: >Hi, > >here is the second version of this patch-set. The first version with >some more introductory text can be found here: > > https://lore.kernel.org/lkml/20200407183742.4344-1-joro@8bytes.org/ > >Changes v1->v2: > > * Rebased to v5.7-rc1 > > * Re-wrote the arm-smmu changes as suggested by Robin Murphy > > * Re-worked the Exynos patches to hopefully not break the > driver anymore > > * Fixed a missing mutex_unlock() reported by Marek Szyprowski, > thanks for that. > >There is also a git-branch available with these patches applied: > > https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git/log/?h=iommu-probe-device-v2 > >Please review. > >Thanks, > > Joerg > >Joerg Roedel (32): > iommu: Move default domain allocation to separate function > iommu/amd: Implement iommu_ops->def_domain_type call-back > iommu/vt-d: Wire up iommu_ops->def_domain_type > iommu/amd: Remove dma_mask check from check_device() > iommu/amd: Return -ENODEV in add_device when device is not handled by > IOMMU > iommu: Add probe_device() and remove_device() call-backs > iommu: Move default domain allocation to iommu_probe_device() > iommu: Keep a list of allocated groups in __iommu_probe_device() > iommu: Move new probe_device path to separate function > iommu: Split off default domain allocation from group assignment > iommu: Move iommu_group_create_direct_mappings() out of > iommu_group_add_device() > iommu: Export bus_iommu_probe() and make is safe for re-probing > iommu/amd: Remove dev_data->passthrough > iommu/amd: Convert to probe/release_device() call-backs > iommu/vt-d: Convert to probe/release_device() call-backs > iommu/arm-smmu: Convert to probe/release_device() call-backs > iommu/pamu: Convert to probe/release_device() call-backs > iommu/s390: Convert to probe/release_device() call-backs > iommu/virtio: Convert to probe/release_device() call-backs > iommu/msm: Convert to probe/release_device() call-backs > iommu/mediatek: Convert to probe/release_device() call-backs > iommu/mediatek-v1 Convert to probe/release_device() call-backs > iommu/qcom: Convert to probe/release_device() call-backs > iommu/rockchip: Convert to probe/release_device() call-backs > iommu/tegra: Convert to probe/release_device() call-backs > iommu/renesas: Convert to probe/release_device() call-backs > iommu/omap: Remove orphan_dev tracking > iommu/omap: Convert to probe/release_device() call-backs > iommu/exynos: Use first SYSMMU in controllers list for IOMMU core > iommu/exynos: Convert to probe/release_device() call-backs > iommu: Remove add_device()/remove_device() code-paths > iommu: Unexport iommu_group_get_for_dev() > >Sai Praneeth Prakhya (1): > iommu: Add def_domain_type() callback in iommu_ops > > drivers/iommu/amd_iommu.c | 97 ++++---- > drivers/iommu/amd_iommu_types.h | 1 - > drivers/iommu/arm-smmu-v3.c | 38 +-- > drivers/iommu/arm-smmu.c | 39 ++-- > drivers/iommu/exynos-iommu.c | 24 +- > drivers/iommu/fsl_pamu_domain.c | 22 +- > drivers/iommu/intel-iommu.c | 68 +----- > drivers/iommu/iommu.c | 393 +++++++++++++++++++++++++------- > drivers/iommu/ipmmu-vmsa.c | 60 ++--- > drivers/iommu/msm_iommu.c | 34 +-- > drivers/iommu/mtk_iommu.c | 24 +- > drivers/iommu/mtk_iommu_v1.c | 50 ++-- > drivers/iommu/omap-iommu.c | 99 ++------ > drivers/iommu/qcom_iommu.c | 24 +- > drivers/iommu/rockchip-iommu.c | 26 +-- > drivers/iommu/s390-iommu.c | 22 +- > drivers/iommu/tegra-gart.c | 24 +- > drivers/iommu/tegra-smmu.c | 31 +-- > drivers/iommu/virtio-iommu.c | 41 +--- > include/linux/iommu.h | 21 +- > 20 files changed, 533 insertions(+), 605 deletions(-) > >-- >2.17.1 > >_______________________________________________ >iommu mailing list >iommu@lists.linux-foundation.org >https://lists.linuxfoundation.org/mailman/listinfo/iommu > Hi Joerg, With this patchset, I have an epyc system where if I boot with iommu=nopt and force a dump I will see some io page faults for a nic on the system. The vmcore is harvested and the system reboots. I haven't reproduced it on other systems yet, but without the patchset I don't see the io page faults during the kdump. Regards, Jerry