On Tue, May 10, 2016 at 10:54:00AM +0100, Dr. David Alan Gilbert wrote: > * Dmitry V. Levin (l...@altlinux.org) wrote: [...] > > BTW, whoever marked these two ioctls with _IOR clearly missed the point: > > an ioctl that passes data from userspace to the kernel is a write ioctl > > and should be marked with _IOW. Now it's too late to change the ABI and > > we'll have to live with two write-only _IOR ioctls. > > Thanks; I mentioned this to Andrea; he'll post a patch to comment it in the > userfaultfd.h header and also add a comment to the kernel's ioctl header > making clear which way IOR/IOW means.
Great. So this source of errors will hopefully come to an end after all. -- ldv
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