On Fri, Aug 02, 2019 at 11:35:48PM -0700, Gavin Li wrote: > Ah, seems like it wasn't as simple of a fix as I thought :)
With our mess of dma flags nothing is ever as simple as it seems.. > I intended to use dma_mmap_coherent() in the usbfs driver > (drivers/usb/core/devio.c) because its mmap() was broken on arm64 and > all the other noncoherent DMA architectures. Good to know, that is the right thing to do! I'll try to expedite the fix to 5.3-rc + stable backports once we agree on the details. _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
