[PULL][Disco] non-strict iommu mode for ARM

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[PULL][Disco] non-strict iommu mode for ARM

dann frazier-4
BugLink: https://bugs.launchpad.net/bugs/1806488

All clean cherry picks from upstream.

The following changes since commit 88a0ffaf616b51e1d22d58a769d4315dad7a62dd:

  UBUNTU: Ubuntu-4.19.0-9.10 (2018-12-10 15:52:38 -0600)

are available in the Git repository at:

  git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-disco

for you to fetch changes up to 68f66f8f7c587ae30320d970979a88be1e80abba:

  iommu/arm-smmu: Support non-strict mode (2018-12-13 13:59:58 -0700)

----------------------------------------------------------------
Robin Murphy (3):
      iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
      iommu/io-pgtable-arm-v7s: Add support for non-strict mode
      iommu/arm-smmu: Support non-strict mode

Zhen Lei (5):
      iommu/arm-smmu-v3: Implement flush_iotlb_all hook
      iommu/dma: Add support for non-strict mode
      iommu: Add "iommu.strict" command line option
      iommu/io-pgtable-arm: Add support for non-strict mode
      iommu/arm-smmu-v3: Add support for non-strict mode

 Documentation/admin-guide/kernel-parameters.txt | 12 ++++
 drivers/iommu/arm-smmu-v3.c                     | 89 ++++++++++++++++-------
 drivers/iommu/arm-smmu.c                        | 93 ++++++++++++++++++-------
 drivers/iommu/dma-iommu.c                       | 32 ++++++++-
 drivers/iommu/io-pgtable-arm-v7s.c              | 11 ++-
 drivers/iommu/io-pgtable-arm.c                  | 23 ++++--
 drivers/iommu/io-pgtable.h                      |  5 ++
 drivers/iommu/iommu.c                           | 14 ++++
 include/linux/iommu.h                           |  1 +
 9 files changed, 220 insertions(+), 60 deletions(-)

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[PULL][SRU Cosmic] non-strict iommu mode for ARM

dann frazier-4
BugLink: https://bugs.launchpad.net/bugs/1806488

Required some minor backporting, described in the S-o-b area.

The following changes since commit bfe015d2df84299c03b3189e6a6f5d97a68b213c:

  UBUNTU: Ubuntu-4.18.0-13.14 (2018-12-05 05:10:51 +0000)

are available in the Git repository at:

  git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-cosmic

for you to fetch changes up to 2312d727f68c49a8c910e253f5d9d06c7881c420:

  iommu/arm-smmu: Support non-strict mode (2018-12-18 20:58:55 -0700)

----------------------------------------------------------------
Robin Murphy (3):
      iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
      iommu/io-pgtable-arm-v7s: Add support for non-strict mode
      iommu/arm-smmu: Support non-strict mode

Zhen Lei (5):
      iommu/arm-smmu-v3: Implement flush_iotlb_all hook
      iommu/dma: Add support for non-strict mode
      iommu: Add "iommu.strict" command line option
      iommu/io-pgtable-arm: Add support for non-strict mode
      iommu/arm-smmu-v3: Add support for non-strict mode

 Documentation/admin-guide/kernel-parameters.txt | 12 ++++
 drivers/iommu/arm-smmu-v3.c                     | 89 ++++++++++++++++-------
 drivers/iommu/arm-smmu.c                        | 93 ++++++++++++++++++-------
 drivers/iommu/dma-iommu.c                       | 32 ++++++++-
 drivers/iommu/io-pgtable-arm-v7s.c              | 11 ++-
 drivers/iommu/io-pgtable-arm.c                  | 23 ++++--
 drivers/iommu/io-pgtable.h                      |  5 ++
 drivers/iommu/iommu.c                           | 14 ++++
 include/linux/iommu.h                           |  1 +
 9 files changed, 220 insertions(+), 60 deletions(-)

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[PULL][SRU Bionic] non-strict iommu mode for ARM

dann frazier-4
In reply to this post by dann frazier-4
BugLink: https://bugs.launchpad.net/bugs/1806488

Required some minor backporting (same as for cosmic), described in the
S-o-b area.

The following changes since commit 9f3c41672a4f2488bf85ac6b88394ef861dbc333:

  UBUNTU: Ubuntu-4.15.0-43.46 (2018-12-06 13:52:12 +0000)

are available in the Git repository at:

  git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-b

for you to fetch changes up to 64d6553a0188e8d01e8940fe2e216b3613b62025:

  iommu/arm-smmu: Support non-strict mode (2018-12-19 17:04:16 -0700)

----------------------------------------------------------------
Robin Murphy (3):
      iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
      iommu/io-pgtable-arm-v7s: Add support for non-strict mode
      iommu/arm-smmu: Support non-strict mode

Zhen Lei (5):
      iommu/arm-smmu-v3: Implement flush_iotlb_all hook
      iommu/dma: Add support for non-strict mode
      iommu: Add "iommu.strict" command line option
      iommu/io-pgtable-arm: Add support for non-strict mode
      iommu/arm-smmu-v3: Add support for non-strict mode

 Documentation/admin-guide/kernel-parameters.txt | 12 ++++
 drivers/iommu/arm-smmu-v3.c                     | 89 ++++++++++++++++-------
 drivers/iommu/arm-smmu.c                        | 93 ++++++++++++++++++-------
 drivers/iommu/dma-iommu.c                       | 32 ++++++++-
 drivers/iommu/io-pgtable-arm-v7s.c              | 11 ++-
 drivers/iommu/io-pgtable-arm.c                  | 23 ++++--
 drivers/iommu/io-pgtable.h                      |  5 ++
 drivers/iommu/iommu.c                           | 14 ++++
 include/linux/iommu.h                           |  1 +
 9 files changed, 220 insertions(+), 60 deletions(-)

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ACK: [PULL][SRU Cosmic] non-strict iommu mode for ARM

Stefan Bader-2
In reply to this post by dann frazier-4
On 21.12.18 20:42, dann frazier wrote:

> BugLink: https://bugs.launchpad.net/bugs/1806488
>
> Required some minor backporting, described in the S-o-b area.
>
> The following changes since commit bfe015d2df84299c03b3189e6a6f5d97a68b213c:
>
>   UBUNTU: Ubuntu-4.18.0-13.14 (2018-12-05 05:10:51 +0000)
>
> are available in the Git repository at:
>
>   git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-cosmic
>
> for you to fetch changes up to 2312d727f68c49a8c910e253f5d9d06c7881c420:
>
>   iommu/arm-smmu: Support non-strict mode (2018-12-18 20:58:55 -0700)
>
> ----------------------------------------------------------------
> Robin Murphy (3):
>       iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
>       iommu/io-pgtable-arm-v7s: Add support for non-strict mode
>       iommu/arm-smmu: Support non-strict mode
>
> Zhen Lei (5):
>       iommu/arm-smmu-v3: Implement flush_iotlb_all hook
>       iommu/dma: Add support for non-strict mode
>       iommu: Add "iommu.strict" command line option
>       iommu/io-pgtable-arm: Add support for non-strict mode
>       iommu/arm-smmu-v3: Add support for non-strict mode
>
>  Documentation/admin-guide/kernel-parameters.txt | 12 ++++
>  drivers/iommu/arm-smmu-v3.c                     | 89 ++++++++++++++++-------
>  drivers/iommu/arm-smmu.c                        | 93 ++++++++++++++++++-------
>  drivers/iommu/dma-iommu.c                       | 32 ++++++++-
>  drivers/iommu/io-pgtable-arm-v7s.c              | 11 ++-
>  drivers/iommu/io-pgtable-arm.c                  | 23 ++++--
>  drivers/iommu/io-pgtable.h                      |  5 ++
>  drivers/iommu/iommu.c                           | 14 ++++
>  include/linux/iommu.h                           |  1 +
>  9 files changed, 220 insertions(+), 60 deletions(-)
>
Acked-by: Stefan Bader <[hidden email]>


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APPLIED: [PULL][Disco] non-strict iommu mode for ARM

Seth Forshee
In reply to this post by dann frazier-4
On Tue, Dec 18, 2018 at 08:43:58PM -0700, dann frazier wrote:

> BugLink: https://bugs.launchpad.net/bugs/1806488
>
> All clean cherry picks from upstream.
>
> The following changes since commit 88a0ffaf616b51e1d22d58a769d4315dad7a62dd:
>
>   UBUNTU: Ubuntu-4.19.0-9.10 (2018-12-10 15:52:38 -0600)
>
> are available in the Git repository at:
>
>   git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-disco
>
> for you to fetch changes up to 68f66f8f7c587ae30320d970979a88be1e80abba:
>
>   iommu/arm-smmu: Support non-strict mode (2018-12-13 13:59:58 -0700)

Applied to disco/master-next, thanks!

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ACK/Cmnt: [PULL][SRU Bionic] non-strict iommu mode for ARM

Stefan Bader-2
In reply to this post by dann frazier-4
On 21.12.18 20:44, dann frazier wrote:

> BugLink: https://bugs.launchpad.net/bugs/1806488
>
> Required some minor backporting (same as for cosmic), described in the
> S-o-b area.
>
> The following changes since commit 9f3c41672a4f2488bf85ac6b88394ef861dbc333:
>
>   UBUNTU: Ubuntu-4.15.0-43.46 (2018-12-06 13:52:12 +0000)
>
> are available in the Git repository at:
>
>   git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-b
>
> for you to fetch changes up to 64d6553a0188e8d01e8940fe2e216b3613b62025:
>
>   iommu/arm-smmu: Support non-strict mode (2018-12-19 17:04:16 -0700)
>
> ----------------------------------------------------------------
> Robin Murphy (3):
>       iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
>       iommu/io-pgtable-arm-v7s: Add support for non-strict mode
>       iommu/arm-smmu: Support non-strict mode
>
> Zhen Lei (5):
>       iommu/arm-smmu-v3: Implement flush_iotlb_all hook
>       iommu/dma: Add support for non-strict mode
>       iommu: Add "iommu.strict" command line option
>       iommu/io-pgtable-arm: Add support for non-strict mode
>       iommu/arm-smmu-v3: Add support for non-strict mode
>
>  Documentation/admin-guide/kernel-parameters.txt | 12 ++++
>  drivers/iommu/arm-smmu-v3.c                     | 89 ++++++++++++++++-------
>  drivers/iommu/arm-smmu.c                        | 93 ++++++++++++++++++-------
>  drivers/iommu/dma-iommu.c                       | 32 ++++++++-
>  drivers/iommu/io-pgtable-arm-v7s.c              | 11 ++-
>  drivers/iommu/io-pgtable-arm.c                  | 23 ++++--
>  drivers/iommu/io-pgtable.h                      |  5 ++
>  drivers/iommu/iommu.c                           | 14 ++++
>  include/linux/iommu.h                           |  1 +
>  9 files changed, 220 insertions(+), 60 deletions(-)
>
At least mostly restricted to Arm parts. And the generic parts explained in the
bug report. This also is a bit at the shadow area between SRU worthy and not.
But the performance gain is probably big enough that we can accept this as bug
fix for Bionic.

Acked-by: Stefan Bader <[hidden email]>


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ACK: [PULL][SRU Cosmic] non-strict iommu mode for ARM

Kleber Souza
In reply to this post by dann frazier-4
On 12/21/18 8:42 PM, dann frazier wrote:

> BugLink: https://bugs.launchpad.net/bugs/1806488
>
> Required some minor backporting, described in the S-o-b area.
>
> The following changes since commit bfe015d2df84299c03b3189e6a6f5d97a68b213c:
>
>   UBUNTU: Ubuntu-4.18.0-13.14 (2018-12-05 05:10:51 +0000)
>
> are available in the Git repository at:
>
>   git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-cosmic
>
> for you to fetch changes up to 2312d727f68c49a8c910e253f5d9d06c7881c420:
>
>   iommu/arm-smmu: Support non-strict mode (2018-12-18 20:58:55 -0700)
>
> ----------------------------------------------------------------
> Robin Murphy (3):
>       iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
>       iommu/io-pgtable-arm-v7s: Add support for non-strict mode
>       iommu/arm-smmu: Support non-strict mode
>
> Zhen Lei (5):
>       iommu/arm-smmu-v3: Implement flush_iotlb_all hook
>       iommu/dma: Add support for non-strict mode
>       iommu: Add "iommu.strict" command line option
>       iommu/io-pgtable-arm: Add support for non-strict mode
>       iommu/arm-smmu-v3: Add support for non-strict mode
>
>  Documentation/admin-guide/kernel-parameters.txt | 12 ++++
>  drivers/iommu/arm-smmu-v3.c                     | 89 ++++++++++++++++-------
>  drivers/iommu/arm-smmu.c                        | 93 ++++++++++++++++++-------
>  drivers/iommu/dma-iommu.c                       | 32 ++++++++-
>  drivers/iommu/io-pgtable-arm-v7s.c              | 11 ++-
>  drivers/iommu/io-pgtable-arm.c                  | 23 ++++--
>  drivers/iommu/io-pgtable.h                      |  5 ++
>  drivers/iommu/iommu.c                           | 14 ++++
>  include/linux/iommu.h                           |  1 +
>  9 files changed, 220 insertions(+), 60 deletions(-)
>
Acked-by: Kleber Sacilotto de Souza <[hidden email]>


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ACK: [PULL][SRU Bionic] non-strict iommu mode for ARM

Kleber Souza
In reply to this post by dann frazier-4
On 12/21/18 8:44 PM, dann frazier wrote:

> BugLink: https://bugs.launchpad.net/bugs/1806488
>
> Required some minor backporting (same as for cosmic), described in the
> S-o-b area.
>
> The following changes since commit 9f3c41672a4f2488bf85ac6b88394ef861dbc333:
>
>   UBUNTU: Ubuntu-4.15.0-43.46 (2018-12-06 13:52:12 +0000)
>
> are available in the Git repository at:
>
>   git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-b
>
> for you to fetch changes up to 64d6553a0188e8d01e8940fe2e216b3613b62025:
>
>   iommu/arm-smmu: Support non-strict mode (2018-12-19 17:04:16 -0700)
>
> ----------------------------------------------------------------
> Robin Murphy (3):
>       iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
>       iommu/io-pgtable-arm-v7s: Add support for non-strict mode
>       iommu/arm-smmu: Support non-strict mode
>
> Zhen Lei (5):
>       iommu/arm-smmu-v3: Implement flush_iotlb_all hook
>       iommu/dma: Add support for non-strict mode
>       iommu: Add "iommu.strict" command line option
>       iommu/io-pgtable-arm: Add support for non-strict mode
>       iommu/arm-smmu-v3: Add support for non-strict mode
>
>  Documentation/admin-guide/kernel-parameters.txt | 12 ++++
>  drivers/iommu/arm-smmu-v3.c                     | 89 ++++++++++++++++-------
>  drivers/iommu/arm-smmu.c                        | 93 ++++++++++++++++++-------
>  drivers/iommu/dma-iommu.c                       | 32 ++++++++-
>  drivers/iommu/io-pgtable-arm-v7s.c              | 11 ++-
>  drivers/iommu/io-pgtable-arm.c                  | 23 ++++--
>  drivers/iommu/io-pgtable.h                      |  5 ++
>  drivers/iommu/iommu.c                           | 14 ++++
>  include/linux/iommu.h                           |  1 +
>  9 files changed, 220 insertions(+), 60 deletions(-)
>
Acked-by: Kleber Sacilotto de Souza <[hidden email]>


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APPLIED: [PULL][SRU Cosmic] non-strict iommu mode for ARM

Kleber Souza
In reply to this post by dann frazier-4
On 12/21/18 8:42 PM, dann frazier wrote:

> BugLink: https://bugs.launchpad.net/bugs/1806488
>
> Required some minor backporting, described in the S-o-b area.
>
> The following changes since commit bfe015d2df84299c03b3189e6a6f5d97a68b213c:
>
>   UBUNTU: Ubuntu-4.18.0-13.14 (2018-12-05 05:10:51 +0000)
>
> are available in the Git repository at:
>
>   git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-cosmic
>
> for you to fetch changes up to 2312d727f68c49a8c910e253f5d9d06c7881c420:
>
>   iommu/arm-smmu: Support non-strict mode (2018-12-18 20:58:55 -0700)
>
> ----------------------------------------------------------------
> Robin Murphy (3):
>       iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
>       iommu/io-pgtable-arm-v7s: Add support for non-strict mode
>       iommu/arm-smmu: Support non-strict mode
>
> Zhen Lei (5):
>       iommu/arm-smmu-v3: Implement flush_iotlb_all hook
>       iommu/dma: Add support for non-strict mode
>       iommu: Add "iommu.strict" command line option
>       iommu/io-pgtable-arm: Add support for non-strict mode
>       iommu/arm-smmu-v3: Add support for non-strict mode
>
>  Documentation/admin-guide/kernel-parameters.txt | 12 ++++
>  drivers/iommu/arm-smmu-v3.c                     | 89 ++++++++++++++++-------
>  drivers/iommu/arm-smmu.c                        | 93 ++++++++++++++++++-------
>  drivers/iommu/dma-iommu.c                       | 32 ++++++++-
>  drivers/iommu/io-pgtable-arm-v7s.c              | 11 ++-
>  drivers/iommu/io-pgtable-arm.c                  | 23 ++++--
>  drivers/iommu/io-pgtable.h                      |  5 ++
>  drivers/iommu/iommu.c                           | 14 ++++
>  include/linux/iommu.h                           |  1 +
>  9 files changed, 220 insertions(+), 60 deletions(-)
>
Applied to cosmic/master-next branch.

Thanks,
Kleber


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APPLIED: [PULL][SRU Bionic] non-strict iommu mode for ARM

Kleber Souza
In reply to this post by dann frazier-4
On 12/21/18 8:44 PM, dann frazier wrote:

> BugLink: https://bugs.launchpad.net/bugs/1806488
>
> Required some minor backporting (same as for cosmic), described in the
> S-o-b area.
>
> The following changes since commit 9f3c41672a4f2488bf85ac6b88394ef861dbc333:
>
>   UBUNTU: Ubuntu-4.15.0-43.46 (2018-12-06 13:52:12 +0000)
>
> are available in the Git repository at:
>
>   git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux iommu-non-strict-b
>
> for you to fetch changes up to 64d6553a0188e8d01e8940fe2e216b3613b62025:
>
>   iommu/arm-smmu: Support non-strict mode (2018-12-19 17:04:16 -0700)
>
> ----------------------------------------------------------------
> Robin Murphy (3):
>       iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
>       iommu/io-pgtable-arm-v7s: Add support for non-strict mode
>       iommu/arm-smmu: Support non-strict mode
>
> Zhen Lei (5):
>       iommu/arm-smmu-v3: Implement flush_iotlb_all hook
>       iommu/dma: Add support for non-strict mode
>       iommu: Add "iommu.strict" command line option
>       iommu/io-pgtable-arm: Add support for non-strict mode
>       iommu/arm-smmu-v3: Add support for non-strict mode
>
>  Documentation/admin-guide/kernel-parameters.txt | 12 ++++
>  drivers/iommu/arm-smmu-v3.c                     | 89 ++++++++++++++++-------
>  drivers/iommu/arm-smmu.c                        | 93 ++++++++++++++++++-------
>  drivers/iommu/dma-iommu.c                       | 32 ++++++++-
>  drivers/iommu/io-pgtable-arm-v7s.c              | 11 ++-
>  drivers/iommu/io-pgtable-arm.c                  | 23 ++++--
>  drivers/iommu/io-pgtable.h                      |  5 ++
>  drivers/iommu/iommu.c                           | 14 ++++
>  include/linux/iommu.h                           |  1 +
>  9 files changed, 220 insertions(+), 60 deletions(-)
>
Applied to bionic/master-next branch.

Thanks,
Kleber


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