RE: [PATCH v7 7/9] iommu/vt-d: Allow qi_submit_sync() to return the QI faults

[Tian, Kevin]

> From: Liu, Yi L <yi.l.liu@xxxxxxxxx>
> Sent: Thursday, December 21, 2023 11:40 PM
>
> +	fault &= DMA_FSTS_IQE | DMA_FSTS_ITE | DMA_FSTS_ICE;
> +	if (fault) {
> +		if (fsts)
> +			*fsts |= fault;

do we expect the fault to be accumulated? otherwise it's clearer to
just do direct assignment instead of asking for the caller to clear
the variable before invocation.

the rest looks good:

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>