Concurrency flag checks for setroot
Concurrency flag checks for setroot

pingjiang/jit,mcanthony/jit,pingjiang/jit,tim777z/jit,shelsonjava/jit,philogb/jit,pingjiang/jit,shzy2012/jit,shzy2012/jit,printedheart/jit,tim777z/jit,tim777z/jit,shelsonjava/jit,mcanthony/jit,philogb/jit,mcanthony/jit,printedheart/jit,shelsonjava/jit,shzy2012/jit,printedheart/jit