20130315_mutex
2014/03/15 code comments fix

- compile error fix.
- code comments white space add or delete.
Merge branch 'master' of github.com:arm10c/linux into review

* 'master' of github.com:arm10c/linux:
  2014/03/15 code comments fix
  20130315_mutex

Conflicts:
	arch/arm/include/asm/spinlock.h
	arch/arm/include/asm/spinlock_types.h
	arch/arm/include/asm/thread_info.h
	include/linux/irqflags.h
	include/linux/sched.h
	include/linux/spinlock_types.h
	kernel/printk/printk.c