Re: [PATCH v11 0/8] Re-enable IDXD kernel workqueue under DMA API

[Jason Gunthorpe]

On Mon, Jul 24, 2023 at 03:25:30PM -0700, Jacob Pan wrote:
> Hi Joerg and all,
> 
> IDXD kernel work queues were disabled due to the flawed use of kernel VA
> and SVA API.
> Link: https://lore.kernel.org/linux-iommu/20210511194726.GP1002214@xxxxxxxxxx/
> 
> The solution is to enable it under DMA API where IDXD shared workqueue users
> can use ENQCMDS to submit work on buffers mapped by DMA API.
> 
> This patchset adds support for attaching PASID to the device's default
> domain and the ability to allocate global PASIDs from IOMMU APIs. IDXD driver
> can then re-enable the kernel work queues and use them under DMA API.
> 
> This depends on the IOASID removal series. (merged)
> https://lore.kernel.org/all/ZCaUBJvUMsJyD7EW@xxxxxxxxxx/

If the vt-d driver bits are fine I think this series is OK

Thanks,
Jason