| Message ID | 20181221194428.GB25424@xps13.dannf |
|---|---|
| State | New |
| Headers | show |
| Series | [PULL,SRU,Bionic] non-strict iommu mode for ARM | expand |
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 <stefan.bader@canonical.com>
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 <kleber.souza@canonical.com>
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
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(-)