tree 91e00be5d5852acdb7c5c9ba9707b9f7926e6bc6
parent 9ce815ed50bbc518526106071f395deacaf94ad7
author Chris Metcalf <cmetcalf@ezchip.com> 1450908784 -0500
committer Chris Metcalf <cmetcalf@ezchip.com> 1453146570 -0500

arch/tile: move user_exit() to early kernel entry sequence

This ensures that we always notify context tracking that we
have exited from user space no matter how we enter the kernel.
It is similar to how arm64 handles context tracking, for example.

This allows the removal of all the exception_enter() calls that
were added in commit 49e4e15619cd ("tile: support CONTEXT_TRACKING and
thus NOHZ_FULL").

Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>