Setting RF (resume flag) allows a debugger to resume execution after a code
breakpoint without tripping the breakpoint again.  It is reset by the CPU
after executing one instruction.
Signed-off-by: NChuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: NAndi Kleen <ak@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>