tree c9a472b59b67700bdde134a4dc707ae607837faa
parent 08446b129bbde34665c423d882f857a45b8c3aed
author Russell King <rmk+kernel@arm.linux.org.uk> 1439978548 +0100
committer Russell King <rmk+kernel@arm.linux.org.uk> 1440515683 +0100

ARM: uaccess: provide uaccess_save_and_enable() and uaccess_restore()

Provide uaccess_save_and_enable() and uaccess_restore() to permit
control of userspace visibility to the kernel, and hook these into
the appropriate places in the kernel where we need to access
userspace.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>