Hi Christoph, Now this patch series got {Ack,Review}ed-by from each maintainer. https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=166501 So, would you pick this up through the dma-mapping tree as you said before? > From: Jens Axboe, Sent: Tuesday, September 3, 2019 6:47 AM > > On 8/28/19 6:35 AM, Yoshihiro Shimoda wrote: > > This patch adds a helper function whether a queue can merge > > the segments by the DMA MAP layer (e.g. via IOMMU). > > Reviewed-by: Jens Axboe <axboe@xxxxxxxxx> Jens, thank you for your review! Best regards, Yoshihiro Shimoda