linux-kernel - Re: [PATCH v9 0/5] iommu: Bounce page for untrusted devices

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Message-ID: <20190910145322.GB24103@8bytes.org>
Date:   Tue, 10 Sep 2019 16:53:23 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Christoph Hellwig <hch@....de>, ashok.raj@...el.com,
        jacob.jun.pan@...el.com, alan.cox@...el.com, kevin.tian@...el.com,
        mika.westerberg@...ux.intel.com, Ingo Molnar <mingo@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        pengfei.xu@...el.com,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        Jonathan Corbet <corbet@....net>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 0/5] iommu: Bounce page for untrusted devices

On Fri, Sep 06, 2019 at 02:14:47PM +0800, Lu Baolu wrote:
> Lu Baolu (5):
>   swiotlb: Split size parameter to map/unmap APIs
>   iommu/vt-d: Check whether device requires bounce buffer
>   iommu/vt-d: Don't switch off swiotlb if bounce page is used
>   iommu/vt-d: Add trace events for device dma map/unmap
>   iommu/vt-d: Use bounce buffer for untrusted devices
> 
>  .../admin-guide/kernel-parameters.txt         |   5 +
>  drivers/iommu/Kconfig                         |   1 +
>  drivers/iommu/Makefile                        |   1 +
>  drivers/iommu/intel-iommu.c                   | 310 +++++++++++++++++-
>  drivers/iommu/intel-trace.c                   |  14 +
>  drivers/xen/swiotlb-xen.c                     |   8 +-
>  include/linux/swiotlb.h                       |   8 +-
>  include/trace/events/intel_iommu.h            | 106 ++++++
>  kernel/dma/direct.c                           |   2 +-
>  kernel/dma/swiotlb.c                          |  30 +-
>  10 files changed, 449 insertions(+), 36 deletions(-)
>  create mode 100644 drivers/iommu/intel-trace.c
>  create mode 100644 include/trace/events/intel_iommu.h

Applied, thanks.