Hi Fenghua, On Fri, 31 Mar 2023 23:31:13 +0000, "Yu, Fenghua" <fenghua.yu@xxxxxxxxx> wrote: > 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/ will fix, for real this time :) you pointed it out before. > > 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 Thanks, Jacob
