[4.9-stable PATCH 06/11] v4l2: disable filesystem-dax mapping support

2018-02-23 Thread Dan Williams
commit b70131de648c2b997d22f4653934438013f407a1 upstream. V4L2 memory registrations are incompatible with filesystem-dax that needs the ability to revoke dma access to a mapping at will, or otherwise allow the kernel to wait for completion of DMA. The filesystem-dax implementation breaks the

[4.9-stable PATCH 06/11] v4l2: disable filesystem-dax mapping support

2018-02-23 Thread Dan Williams
commit b70131de648c2b997d22f4653934438013f407a1 upstream. V4L2 memory registrations are incompatible with filesystem-dax that needs the ability to revoke dma access to a mapping at will, or otherwise allow the kernel to wait for completion of DMA. The filesystem-dax implementation breaks the