Re: [PATCH v12 06/10] iommu: Add a page fault handler

2021-02-01 Thread Shenming Lu
Hi Jean, It seems that the preprocessing of the page faults(groups) here is relatively generic, and if a device driver wants to reuse it while having its own iopf_handle_single(), is there any chance for this? :-) Thanks, Shenming On 2021/1/27 23:43, Jean-Philippe Brucker wrote: > Some systems

Re: [PATCH v12 06/10] iommu: Add a page fault handler

2021-01-31 Thread Auger Eric
Hi Jean, On 1/27/21 4:43 PM, Jean-Philippe Brucker wrote: > Some systems allow devices to handle I/O Page Faults in the core mm. For > example systems implementing the PCIe PRI extension or Arm SMMU stall > model. Infrastructure for reporting these recoverable page faults was > added to the IOMMU c

[PATCH v12 06/10] iommu: Add a page fault handler

2021-01-27 Thread Jean-Philippe Brucker
Some systems allow devices to handle I/O Page Faults in the core mm. For example systems implementing the PCIe PRI extension or Arm SMMU stall model. Infrastructure for reporting these recoverable page faults was added to the IOMMU core by commit 0c830e6b3282 ("iommu: Introduce device fault report