On Fri, Apr 22, 2022 at 11:17:20PM +0200, Linus Walleij wrote:
> On Thu, Apr 21, 2022 at 9:42 AM Christoph Hellwig wrote:
>
> > arm is the last platform not using the dma-direct code for directly
> > mapped DMA. With the dmaboune removal from Arnd we can easily switch
> > arm to always use dma-d
On Thu, Jul 15, 2021 at 10:45:28AM -0600, Logan Gunthorpe wrote:
> Hi,
>
> This series is spun out and expanded from my work to add P2PDMA support
> to DMA map operations[1].
>
> The P2PDMA work requires distinguishing different error conditions in
> a map_sg operation. dma_map_sgtable() already
On Fri, Jul 09, 2021 at 04:38:09PM +0800, Ming Lei wrote:
> I observed that NVMe performance is very bad when running fio on one
> CPU(aarch64) in remote numa node compared with the nvme pci numa node.
Have you checked the effect of running a memory-heavy process using
memory from node 1 while bei
