From f037360f2ed111fe89a8f5cb6ba351f4e9934e53 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Date: Sun, 13 Nov 2005 16:06:57 -0800
Subject: [PATCH] [PATCH] m68k: thread_info header cleanup
a) in smp_lock.h #include of sched.h and spinlock.h moved under #ifdef
CONFIG_LOCK_KERNEL.
b) interrupt.h now explicitly pulls sched.h (not via smp_lock.h from
hardirq.h as it used to)
c) in three more places we need changes to compensate for (a) - one place
in arch/sparc needs string.h now, hardirq.h needs forward declaration of
task_struct and preempt.h needs direct include of thread_info.h.
d) thread_info-related helpers in sched.h and thread_info.h put under
ifndef __HAVE_THREAD_FUNCTIONS. Obviously safe.
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
arch/sparc/lib/bitext.c | 1 +
include/linux/hardirq.h | 2 ++
include/linux/interrupt.h | 1 +
include/linux/preempt.h | 1 +
include/linux/sched.h | 4 ++++
include/linux/smp_lock.h | 3 +--
6 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/sparc/lib/bitext.c b/arch/sparc/lib/bitext.c
index 94b05e8c906c7..2e168d16547f9 100644
--- a/arch/sparc/lib/bitext.c
+++ b/arch/sparc/lib/bitext.c
@@ -10,6 +10,7 @@
*/
#include <linux/smp_lock.h>
+#include <linux/string.h>
#include <linux/bitops.h>
#include <asm/bitext.h>
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 5912874ca83c8..71d2b8a723b9a 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -90,6 +90,8 @@ extern void synchronize_irq(unsigned int irq);
#define nmi_enter() irq_enter()
#define nmi_exit() sub_preempt_count(HARDIRQ_OFFSET)
+struct task_struct;
+
#ifndef CONFIG_VIRT_CPU_ACCOUNTING
static inline void account_user_vtime(struct task_struct *tsk)
{
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 0a90205184b0b..41f150a3d2dda 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -9,6 +9,7 @@
#include <linux/preempt.h>
#include <linux/cpumask.h>
#include <linux/hardirq.h>
+#include <linux/sched.h>
#include <asm/atomic.h>
#include <asm/ptrace.h>
#include <asm/system.h>
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index dd98c54a23b4b..d9a2f5254a511 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -7,6 +7,7 @@
*/
#include <linux/config.h>
+#include <linux/thread_info.h>
#include <linux/linkage.h>
#ifdef CONFIG_DEBUG_PREEMPT
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e4681256e43e6..41df813957190 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1233,6 +1233,8 @@ static inline void task_unlock(struct task_struct *p)
spin_unlock(&p->alloc_lock);
}
+#ifndef __HAVE_THREAD_FUNCTIONS
+
#define task_thread_info(task) (task)->thread_info
static inline void setup_thread_stack(struct task_struct *p, struct task_struct *org)
@@ -1246,6 +1248,8 @@ static inline unsigned long *end_of_stack(struct task_struct *p)
return (unsigned long *)(p->thread_info + 1);
}
+#endif
+
/* set thread flags in other task's structures
* - see asm/thread_info.h for TIF_xxxx flags available
*/
diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h
index b63ce70140931..fa1ff3b165fe1 100644
--- a/include/linux/smp_lock.h
+++ b/include/linux/smp_lock.h
@@ -2,11 +2,10 @@
#define __LINUX_SMPLOCK_H
#include <linux/config.h>
+#ifdef CONFIG_LOCK_KERNEL
#include <linux/sched.h>
#include <linux/spinlock.h>
-#ifdef CONFIG_LOCK_KERNEL
-
#define kernel_locked() (current->lock_depth >= 0)
extern int __lockfunc __reacquire_kernel_lock(void);
--
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