[v3] Prevent RESV_DIRECT devices from user assignment

[PATCH v3 0/2] Prevent RESV_DIRECT devices from user assignment

Lu Baolu posted 2 patches 2 years, 1 month ago

Diff against v1 v2
Download series mbox

include/linux/iommu.h       |  2 ++
drivers/iommu/intel/iommu.c | 58 -------------------------------------
drivers/iommu/iommu.c       | 37 ++++++++++++++++-------
3 files changed, 29 insertions(+), 68 deletions(-)

Expand all Fold all

[PATCH v3 0/2] Prevent RESV_DIRECT devices from user assignment

Posted by Lu Baolu 2 years, 1 month ago

These are follow-up patches on this discussion:

https://lore.kernel.org/linux-iommu/BN9PR11MB5276E84229B5BD952D78E9598C639@BN9PR11MB5276.namprd11.prod.outlook.com

I just summarized the ideas and code into a real patch series. Please
help to review and merge.

Change log:
v3:
 - Rename "requires_direct" to "require_direct".
 - Refine some comments.
 - Rebase on the top of iommu next branch.

v2: https://lore.kernel.org/linux-iommu/20230713043248.41315-1-baolu.lu@linux.intel.com/
 - Move "pg_size == 0" check out of the loop.
 - Rebase on the top of v6.5-rc1.

v1: https://lore.kernel.org/linux-iommu/20230607035145.343698-1-baolu.lu@linux.intel.com/

Lu Baolu (2):
  iommu: Prevent RESV_DIRECT devices from blocking domains
  iommu/vt-d: Remove rmrr check in domain attaching device path

 include/linux/iommu.h       |  2 ++
 drivers/iommu/intel/iommu.c | 58 -------------------------------------
 drivers/iommu/iommu.c       | 37 ++++++++++++++++-------
 3 files changed, 29 insertions(+), 68 deletions(-)

-- 
2.34.1