RE: [PATCH v3 7/7] dmaengine/idxd: Re-enable kernel workqueue under DMA API

[Yu, Fenghua]

Hi, Jacob,

> Kernel workqueues were disabled due to flawed use of kernel VA and SVA API.
> Now That we have the support for attaching PASID to the device's default

s/That/that/

> domain and the ability to reserve global PASIDs from SVA APIs, we can re-enable
> the kernel work queues and use them under DMA API.
> 
> We also use non-privileged access for in-kernel DMA to be consistent with the
> IOMMU settings. Consequently, interrupt for user privilege is enabled for work
> completion IRQs.
> 
> Link:https://lore.kernel.org/linux-
> iommu/20210511194726.GP1002214@xxxxxxxxxx/
> Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
> Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>

Other than the typo,

Reviewed-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>

Thanks.

-Fenghua