Merge penguin:v2.5/linux

into home.transmeta.com:/home/torvalds/v2.5/linux

arch/i386/kernel/vm86.c

@@ -31,6 +31,7 @@
  */
 
 #include <linux/errno.h>
+#include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
 #include <linux/signal.h>

drivers/input/serio/i8042.c

@@ -10,16 +10,16 @@
  * the Free Software Foundation.
  */
 
-#include <asm/io.h>
-
 #include <linux/delay.h>
 #include <linux/module.h>
+#include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/config.h>
 #include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/serio.h>
-#include <linux/sched.h>
+
+#include <asm/io.h>
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
 MODULE_DESCRIPTION("i8042 keyboard and mouse controller driver");

drivers/pcmcia/cs.c

@@ -40,7 +40,7 @@
 #include <linux/errno.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
-#include <linux/sched.h>
+#include <linux/interrupt.h>
 #include <linux/timer.h>
 #include <linux/ioport.h>
 #include <linux/delay.h>

drivers/pcmcia/rsrc_mgr.c

@@ -36,7 +36,7 @@
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/sched.h>
+#include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/types.h>

drivers/pnp/resource.c

@@ -9,6 +9,7 @@
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/errno.h>
+#include <linux/interrupt.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
 #include <asm/io.h>

drivers/scsi/aic7xxx/aic7xxx_osm.h

@@ -65,6 +65,7 @@
 #include <linux/blk.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
+#include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/slab.h>
 #include <linux/pci.h>

drivers/scsi/hosts.c

@@ -34,6 +34,7 @@
 #include <linux/mm.h>
 #include <linux/proc_fs.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/list.h>
 #include <linux/smp_lock.h>
 

drivers/scsi/qla1280.c

@@ -246,10 +246,10 @@
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
+#include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/delay.h>
 #include <linux/timer.h>
-#include <linux/sched.h>
 #include <linux/pci.h>
 #include <linux/proc_fs.h>
 #include <linux/blk.h>

fs/dcache.c

@@ -1085,9 +1085,9 @@ void d_move(struct dentry * dentry, struct dentry * target)
  *
  * "buflen" should be %PAGE_SIZE or more. Caller holds the dcache_lock.
  */
-char * __d_path(struct dentry *dentry, struct vfsmount *vfsmnt,
-		struct dentry *root, struct vfsmount *rootmnt,
-		char *buffer, int buflen)
+static char * __d_path( struct dentry *dentry, struct vfsmount *vfsmnt,
+			struct dentry *root, struct vfsmount *rootmnt,
+			char *buffer, int buflen)
 {
 	char * end = buffer+buflen;
 	char * retval;
@@ -1140,6 +1140,25 @@ char * __d_path(struct dentry *dentry, struct vfsmount *vfsmnt,
 	return retval;
 }
 
+/* write full pathname into buffer and return start of pathname */
+char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt,
+				char *buf, int buflen)
+{
+	char *res;
+	struct vfsmount *rootmnt;
+	struct dentry *root;
+	read_lock(&current->fs->lock);
+	rootmnt = mntget(current->fs->rootmnt);
+	root = dget(current->fs->root);
+	read_unlock(&current->fs->lock);
+	spin_lock(&dcache_lock);
+	res = __d_path(dentry, vfsmnt, root, rootmnt, buf, buflen);
+	spin_unlock(&dcache_lock);
+	dput(root);
+	mntput(rootmnt);
+	return res;
+}
+
 /*
  * NOTE! The user-level library version returns a
  * character pointer. The kernel system call just

include/linux/dcache.h

@@ -228,8 +228,7 @@ extern struct dentry * __d_lookup(struct dentry *, struct qstr *);
 /* validate "insecure" dentry pointer */
 extern int d_validate(struct dentry *, struct dentry *);
 
-extern char * __d_path(struct dentry *, struct vfsmount *, struct dentry *,
-	struct vfsmount *, char *, int);
+extern char * d_path(struct dentry *, struct vfsmount *, char *, int);
   
 /* Allocation counts.. */
 

include/linux/file.h

@@ -41,6 +41,13 @@ extern void put_filp(struct file *);
 extern int get_unused_fd(void);
 extern void FASTCALL(put_unused_fd(unsigned int fd));
 
+extern struct file ** alloc_fd_array(int);
+extern int expand_fd_array(struct files_struct *, int nr);
+extern void free_fd_array(struct file **, int);
+
+extern fd_set *alloc_fdset(int);
+extern int expand_fdset(struct files_struct *, int nr);
+extern void free_fdset(fd_set *, int);
 
 static inline struct file * fcheck_files(struct files_struct *files, unsigned int fd)
 {

include/linux/interrupt.h

@@ -3,15 +3,11 @@
 #define _LINUX_INTERRUPT_H
 
 #include <linux/config.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/smp.h>
-#include <linux/cache.h>
 #include <linux/bitops.h>
-
 #include <asm/atomic.h>
-#include <asm/system.h>
+#include <asm/hardirq.h>
 #include <asm/ptrace.h>
+#include <asm/softirq.h>
 
 struct irqaction {
 	void (*handler)(int, void *, struct pt_regs *);
@@ -22,8 +18,10 @@ struct irqaction {
 	struct irqaction *next;
 };
 
-#include <asm/hardirq.h>
-#include <asm/softirq.h>
+extern int request_irq(unsigned int,
+		       void (*handler)(int, void *, struct pt_regs *),
+		       unsigned long, const char *, void *);
+extern void free_irq(unsigned int, void *);
 
 /*
  * Temporary defines for UP kernels, until all code gets fixed.

include/linux/sched.h

@@ -488,31 +488,10 @@ extern unsigned long itimer_ticks;
 extern unsigned long itimer_next;
 extern void do_timer(struct pt_regs *);
 
-extern void FASTCALL(__wake_up(wait_queue_head_t *q, unsigned int mode, int nr));
-extern void FASTCALL(__wake_up_locked(wait_queue_head_t *q, unsigned int mode));
-extern void FASTCALL(__wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr));
-extern void FASTCALL(sleep_on(wait_queue_head_t *q));
-extern long FASTCALL(sleep_on_timeout(wait_queue_head_t *q,
-				      signed long timeout));
-extern void FASTCALL(interruptible_sleep_on(wait_queue_head_t *q));
-extern long FASTCALL(interruptible_sleep_on_timeout(wait_queue_head_t *q,
-						    signed long timeout));
 extern int FASTCALL(wake_up_process(struct task_struct * tsk));
 extern void FASTCALL(wake_up_forked_process(struct task_struct * tsk));
 extern void FASTCALL(sched_exit(task_t * p));
 
-#define wake_up(x)			__wake_up((x),TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, 1)
-#define wake_up_nr(x, nr)		__wake_up((x),TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, nr)
-#define wake_up_all(x)			__wake_up((x),TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, 0)
-#define wake_up_interruptible(x)	__wake_up((x),TASK_INTERRUPTIBLE, 1)
-#define wake_up_interruptible_nr(x, nr)	__wake_up((x),TASK_INTERRUPTIBLE, nr)
-#define wake_up_interruptible_all(x)	__wake_up((x),TASK_INTERRUPTIBLE, 0)
-#define	wake_up_locked(x)		__wake_up_locked((x), TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE)
-#ifdef CONFIG_SMP
-#define wake_up_interruptible_sync(x)   __wake_up_sync((x),TASK_INTERRUPTIBLE, 1)
-#else
-#define wake_up_interruptible_sync(x)   __wake_up((x),TASK_INTERRUPTIBLE, 1)
-#endif
 asmlinkage long sys_wait4(pid_t pid,unsigned int * stat_addr, int options, struct rusage * ru);
 
 extern int in_group_p(gid_t);
@@ -588,11 +567,6 @@ static inline int sas_ss_flags(unsigned long sp)
 		: on_sig_stack(sp) ? SS_ONSTACK : 0);
 }
 
-extern int request_irq(unsigned int,
-		       void (*handler)(int, void *, struct pt_regs *),
-		       unsigned long, const char *, void *);
-extern void free_irq(unsigned int, void *);
-
 /* capable prototype and code moved to security.[hc] */
 #include <linux/security.h>
 #if 0
@@ -627,17 +601,6 @@ extern void mmput(struct mm_struct *);
 /* Remove the current tasks stale references to the old mm_struct */
 extern void mm_release(void);
 
-/*
- * Routines for handling the fd arrays
- */
-extern struct file ** alloc_fd_array(int);
-extern int expand_fd_array(struct files_struct *, int nr);
-extern void free_fd_array(struct file **, int);
-
-extern fd_set *alloc_fdset(int);
-extern int expand_fdset(struct files_struct *, int nr);
-extern void free_fdset(fd_set *, int);
-
 extern int  copy_thread(int, unsigned long, unsigned long, unsigned long, struct task_struct *, struct pt_regs *);
 extern void flush_thread(void);
 extern void exit_thread(void);
@@ -654,10 +617,6 @@ extern task_t *child_reaper;
 extern int do_execve(char *, char **, char **, struct pt_regs *);
 extern struct task_struct *do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int *);
 
-extern void FASTCALL(add_wait_queue(wait_queue_head_t *q, wait_queue_t * wait));
-extern void FASTCALL(add_wait_queue_exclusive(wait_queue_head_t *q, wait_queue_t * wait));
-extern void FASTCALL(remove_wait_queue(wait_queue_head_t *q, wait_queue_t * wait));
-
 #ifdef CONFIG_SMP
 extern void wait_task_inactive(task_t * p);
 #else
@@ -665,108 +624,6 @@ extern void wait_task_inactive(task_t * p);
 #endif
 extern void kick_if_running(task_t * p);
 
-#define __wait_event(wq, condition) 					\
-do {									\
-	wait_queue_t __wait;						\
-	init_waitqueue_entry(&__wait, current);				\
-									\
-	add_wait_queue(&wq, &__wait);					\
-	for (;;) {							\
-		set_current_state(TASK_UNINTERRUPTIBLE);		\
-		if (condition)						\
-			break;						\
-		schedule();						\
-	}								\
-	current->state = TASK_RUNNING;					\
-	remove_wait_queue(&wq, &__wait);				\
-} while (0)
-
-#define wait_event(wq, condition) 					\
-do {									\
-	if (condition)	 						\
-		break;							\
-	__wait_event(wq, condition);					\
-} while (0)
-
-#define __wait_event_interruptible(wq, condition, ret)			\
-do {									\
-	wait_queue_t __wait;						\
-	init_waitqueue_entry(&__wait, current);				\
-									\
-	add_wait_queue(&wq, &__wait);					\
-	for (;;) {							\
-		set_current_state(TASK_INTERRUPTIBLE);			\
-		if (condition)						\
-			break;						\
-		if (!signal_pending(current)) {				\
-			schedule();					\
-			continue;					\
-		}							\
-		ret = -ERESTARTSYS;					\
-		break;							\
-	}								\
-	current->state = TASK_RUNNING;					\
-	remove_wait_queue(&wq, &__wait);				\
-} while (0)
-
-#define wait_event_interruptible(wq, condition)				\
-({									\
-	int __ret = 0;							\
-	if (!(condition))						\
-		__wait_event_interruptible(wq, condition, __ret);	\
-	__ret;								\
-})
-
-#define __wait_event_interruptible_timeout(wq, condition, ret)		\
-do {									\
-	wait_queue_t __wait;						\
-	init_waitqueue_entry(&__wait, current);				\
-									\
-	add_wait_queue(&wq, &__wait);					\
-	for (;;) {							\
-		set_current_state(TASK_INTERRUPTIBLE);			\
-		if (condition)						\
-			break;						\
-		if (!signal_pending(current)) {				\
-			ret = schedule_timeout(ret);			\
-			if (!ret)					\
-				break;					\
-			continue;					\
-		}							\
-		ret = -ERESTARTSYS;					\
-		break;							\
-	}								\
-	current->state = TASK_RUNNING;					\
-	remove_wait_queue(&wq, &__wait);				\
-} while (0)
-
-#define wait_event_interruptible_timeout(wq, condition, timeout)	\
-({									\
-	long __ret = timeout;						\
-	if (!(condition))						\
-		__wait_event_interruptible_timeout(wq, condition, __ret); \
-	__ret;								\
-})
-	
-/*
- * Must be called with the spinlock in the wait_queue_head_t held.
- */
-static inline void add_wait_queue_exclusive_locked(wait_queue_head_t *q,
-						   wait_queue_t * wait)
-{
-	wait->flags |= WQ_FLAG_EXCLUSIVE;
-	__add_wait_queue_tail(q,  wait);
-}
-
-/*
- * Must be called with the spinlock in the wait_queue_head_t held.
- */
-static inline void remove_wait_queue_locked(wait_queue_head_t *q,
-					    wait_queue_t * wait)
-{
-	__remove_wait_queue(q,  wait);
-}
-
 #define remove_parent(p)	list_del_init(&(p)->sibling)
 #define add_parent(p, parent)	list_add_tail(&(p)->sibling,&(parent)->children)
 
@@ -848,26 +705,6 @@ static inline void task_unlock(struct task_struct *p)
 {
 	spin_unlock(&p->alloc_lock);
 }
-
-/* write full pathname into buffer and return start of pathname */
-static inline char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt,
-				char *buf, int buflen)
-{
-	char *res;
-	struct vfsmount *rootmnt;
-	struct dentry *root;
-	read_lock(&current->fs->lock);
-	rootmnt = mntget(current->fs->rootmnt);
-	root = dget(current->fs->root);
-	read_unlock(&current->fs->lock);
-	spin_lock(&dcache_lock);
-	res = __d_path(dentry, vfsmnt, root, rootmnt, buf, buflen);
-	spin_unlock(&dcache_lock);
-	dput(root);
-	mntput(rootmnt);
-	return res;
-}
-
  
 /**
  * get_task_mm - acquire a reference to the task's mm

include/linux/wait.h

@@ -10,14 +10,11 @@
 
 #ifdef __KERNEL__
 
-#include <linux/kernel.h>
+#include <linux/config.h>
 #include <linux/list.h>
 #include <linux/stddef.h>
 #include <linux/spinlock.h>
-#include <linux/config.h>
-
-#include <asm/page.h>
-#include <asm/processor.h>
+#include <asm/system.h>
 
 typedef struct __wait_queue wait_queue_t;
 typedef int (*wait_queue_func_t)(wait_queue_t *wait, unsigned mode, int sync);
@@ -83,6 +80,10 @@ static inline int waitqueue_active(wait_queue_head_t *q)
 	return !list_empty(&q->task_list);
 }
 
+extern void FASTCALL(add_wait_queue(wait_queue_head_t *q, wait_queue_t * wait));
+extern void FASTCALL(add_wait_queue_exclusive(wait_queue_head_t *q, wait_queue_t * wait));
+extern void FASTCALL(remove_wait_queue(wait_queue_head_t *q, wait_queue_t * wait));
+
 static inline void __add_wait_queue(wait_queue_head_t *head, wait_queue_t *new)
 {
 	list_add(&new->task_list, &head->task_list);
@@ -103,6 +104,125 @@ static inline void __remove_wait_queue(wait_queue_head_t *head,
 	list_del(&old->task_list);
 }
 
+extern void FASTCALL(__wake_up(wait_queue_head_t *q, unsigned int mode, int nr));
+extern void FASTCALL(__wake_up_locked(wait_queue_head_t *q, unsigned int mode));
+extern void FASTCALL(__wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr));
+
+#define wake_up(x)			__wake_up((x),TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, 1)
+#define wake_up_nr(x, nr)		__wake_up((x),TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, nr)
+#define wake_up_all(x)			__wake_up((x),TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, 0)
+#define wake_up_interruptible(x)	__wake_up((x),TASK_INTERRUPTIBLE, 1)
+#define wake_up_interruptible_nr(x, nr)	__wake_up((x),TASK_INTERRUPTIBLE, nr)
+#define wake_up_interruptible_all(x)	__wake_up((x),TASK_INTERRUPTIBLE, 0)
+#define	wake_up_locked(x)		__wake_up_locked((x), TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE)
+#ifdef CONFIG_SMP
+#define wake_up_interruptible_sync(x)   __wake_up_sync((x),TASK_INTERRUPTIBLE, 1)
+#else
+#define wake_up_interruptible_sync(x)   __wake_up((x),TASK_INTERRUPTIBLE, 1)
+#endif
+
+#define __wait_event(wq, condition) 					\
+do {									\
+	wait_queue_t __wait;						\
+	init_waitqueue_entry(&__wait, current);				\
+									\
+	add_wait_queue(&wq, &__wait);					\
+	for (;;) {							\
+		set_current_state(TASK_UNINTERRUPTIBLE);		\
+		if (condition)						\
+			break;						\
+		schedule();						\
+	}								\
+	current->state = TASK_RUNNING;					\
+	remove_wait_queue(&wq, &__wait);				\
+} while (0)
+
+#define wait_event(wq, condition) 					\
+do {									\
+	if (condition)	 						\
+		break;							\
+	__wait_event(wq, condition);					\
+} while (0)
+
+#define __wait_event_interruptible(wq, condition, ret)			\
+do {									\
+	wait_queue_t __wait;						\
+	init_waitqueue_entry(&__wait, current);				\
+									\
+	add_wait_queue(&wq, &__wait);					\
+	for (;;) {							\
+		set_current_state(TASK_INTERRUPTIBLE);			\
+		if (condition)						\
+			break;						\
+		if (!signal_pending(current)) {				\
+			schedule();					\
+			continue;					\
+		}							\
+		ret = -ERESTARTSYS;					\
+		break;							\
+	}								\
+	current->state = TASK_RUNNING;					\
+	remove_wait_queue(&wq, &__wait);				\
+} while (0)
+
+#define wait_event_interruptible(wq, condition)				\
+({									\
+	int __ret = 0;							\
+	if (!(condition))						\
+		__wait_event_interruptible(wq, condition, __ret);	\
+	__ret;								\
+})
+
+#define __wait_event_interruptible_timeout(wq, condition, ret)		\
+do {									\
+	wait_queue_t __wait;						\
+	init_waitqueue_entry(&__wait, current);				\
+									\
+	add_wait_queue(&wq, &__wait);					\
+	for (;;) {							\
+		set_current_state(TASK_INTERRUPTIBLE);			\
+		if (condition)						\
+			break;						\
+		if (!signal_pending(current)) {				\
+			ret = schedule_timeout(ret);			\
+			if (!ret)					\
+				break;					\
+			continue;					\
+		}							\
+		ret = -ERESTARTSYS;					\
+		break;							\
+	}								\
+	current->state = TASK_RUNNING;					\
+	remove_wait_queue(&wq, &__wait);				\
+} while (0)
+
+#define wait_event_interruptible_timeout(wq, condition, timeout)	\
+({									\
+	long __ret = timeout;						\
+	if (!(condition))						\
+		__wait_event_interruptible_timeout(wq, condition, __ret); \
+	__ret;								\
+})
+	
+/*
+ * Must be called with the spinlock in the wait_queue_head_t held.
+ */
+static inline void add_wait_queue_exclusive_locked(wait_queue_head_t *q,
+						   wait_queue_t * wait)
+{
+	wait->flags |= WQ_FLAG_EXCLUSIVE;
+	__add_wait_queue_tail(q,  wait);
+}
+
+/*
+ * Must be called with the spinlock in the wait_queue_head_t held.
+ */
+static inline void remove_wait_queue_locked(wait_queue_head_t *q,
+					    wait_queue_t * wait)
+{
+	__remove_wait_queue(q,  wait);
+}
+
 #define add_wait_queue_cond(q, wait, cond) \
 	({							\
 		unsigned long flags;				\
@@ -120,7 +240,19 @@ static inline void __remove_wait_queue(wait_queue_head_t *head,
 	})
 
 /*
- * Waitqueue's which are removed from the waitqueue_head at wakeup time
+ * These are the old interfaces to sleep waiting for an event.
+ * They are racy.  DO NOT use them, use the wait_event* interfaces above.  
+ * We plan to remove these interfaces during 2.7.
+ */
+extern void FASTCALL(sleep_on(wait_queue_head_t *q));
+extern long FASTCALL(sleep_on_timeout(wait_queue_head_t *q,
+				      signed long timeout));
+extern void FASTCALL(interruptible_sleep_on(wait_queue_head_t *q));
+extern long FASTCALL(interruptible_sleep_on_timeout(wait_queue_head_t *q,
+						    signed long timeout));
+
+/*
+ * Waitqueues which are removed from the waitqueue_head at wakeup time
  */
 void FASTCALL(prepare_to_wait(wait_queue_head_t *q,
 				wait_queue_t *wait, int state));

kernel/ksyms.c

@@ -166,7 +166,7 @@ EXPORT_SYMBOL(d_alloc);
 EXPORT_SYMBOL(d_alloc_anon);
 EXPORT_SYMBOL(d_splice_alias);
 EXPORT_SYMBOL(d_lookup);
-EXPORT_SYMBOL(__d_path);
+EXPORT_SYMBOL(d_path);
 EXPORT_SYMBOL(mark_buffer_dirty);
 EXPORT_SYMBOL(end_buffer_io_sync);
 EXPORT_SYMBOL(__mark_inode_dirty);

sound/drivers/mpu401/mpu401_uart.c

@@ -29,7 +29,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/ioport.h>
-#include <linux/sched.h>
+#include <linux/interrupt.h>
 #include <linux/errno.h>
 #include <sound/core.h>
 #include <sound/mpu401.h>