Move the userspace accesses down into the common function in
preparation for the next set of patches.  Also change to copying
the fields explicitly instead of assuming a fixed order in
pt_regs and the kernel data structures.
Signed-off-by: NBrian Gerst <brgerst@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1437354550-25858-4-git-send-email-brgerst@gmail.comSigned-off-by: NIngo Molnar <mingo@kernel.org>