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headers: smp_lock.h redux

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* Remove smp_lock.h from files which don't need it (including some headers!)
* Add smp_lock.h to files which do need it
* Make smp_lock.h include conditional in hardirq.h
  It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT

  This will make hardirq.h inclusion cheaper for every PREEMPT=n config
  (which includes allmodconfig/allyesconfig, BTW)

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2009-07-11 22:08:37 +04:00
committed by Linus Torvalds
parent f9fabcb58a
commit 405f55712d
173 changed files with 81 additions and 93 deletions
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2
include/linux/hardirq.h
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@ -2,7 +2,9 @@
#define LINUX_HARDIRQ_H
#include <linux/preempt.h>
#ifdef CONFIG_PREEMPT
#include <linux/smp_lock.h>
#endif
#include <linux/lockdep.h>
#include <linux/ftrace_irq.h>
#include <asm/hardirq.h>