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

Joerg Roedel
2019-09-10T14:53:28Z

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.