On Thu, Oct 11, 2018 at 11:24:49AM +0800, Rock Lee wrote: > Hi > I tested direct io with a ion allocated buffer, got a -EFAULT > error. It turned out that ion_mmap() set VM_IO & VM_PFNMAP, but > check_vma_flags() (do_direct_IO() calls it) doesn't allow that VMA has > these flags set. Could you give me any hit that could solve this > issue? > You must be using an old kernel because ion_mmap() was changed in April. regards, dan carpenter _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
