On Wed, Aug 15, 2018 at 12:19:00AM -0600, Jan Beulich wrote: > While this is only a start (IOCTL_PRIVCMD_MMAP* and IOCTL_PRIVCMD_DM_OP > require more work), it at least allows some simple operations (like > "xl dmesg") which have always been available on XenoLinux to work again > with a 64-bit kernel underneath a 32-bit distro. > > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> > Acked-by: Juergen Gross <jgross@xxxxxxxx> Nacked-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> This belongs in drivers/xen/privcmd.c, not in fs/compat_ioctl.c *ANY* single-driver ioctl definitely should be handled by ->compat_ioctl() method and any patches dumping such stuff into fs/compat_ioctl.c will be rejected.
