Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

23 files changed, 119 insertions, 132 deletions

diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
index 96344ff2bbe1..92c6fc07e59c 100644
--- a/arch/sparc/kernel/ebus.c
+++ b/arch/sparc/kernel/ebus.c
@@ -1,4 +1,4 @@
-/* $Id: ebus.c,v 1.20 2002/01/05 01:13:43 davem Exp $
+/*
  * ebus.c: PCI to EBus bridge device.
  *
  * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index 57d1bbdd0bd2..4bcfe54f878d 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -1306,6 +1306,8 @@ ret_from_fork:
 	.align	4
 	.globl	linux_sparc_syscall
 linux_sparc_syscall:
+	sethi	%hi(PSR_SYSCALL), %l4
+	or	%l0, %l4, %l0
 	/* Direct access to user regs, must faster. */
 	cmp	%g1, NR_SYSCALLS
 	bgeu	linux_sparc_ni_syscall
diff --git a/arch/sparc/kernel/etrap.S b/arch/sparc/kernel/etrap.S
index a8b35bed12a2..f37d961d67a6 100644
--- a/arch/sparc/kernel/etrap.S
+++ b/arch/sparc/kernel/etrap.S
@@ -1,4 +1,4 @@
-/* $Id: etrap.S,v 1.31 2000/01/08 16:38:18 anton Exp $
+/*
  * etrap.S: Sparc trap window preparation for entry into the
  *          Linux kernel.
  *
diff --git a/arch/sparc/kernel/head.S b/arch/sparc/kernel/head.S
index 8bec05fa5795..3bfd6085a91d 100644
--- a/arch/sparc/kernel/head.S
+++ b/arch/sparc/kernel/head.S
@@ -1,4 +1,4 @@
-/* $Id: head.S,v 1.105 2001/08/12 09:08:56 davem Exp $
+/*
  * head.S: The initial boot code for the Sparc port of Linux.
  *
  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/kernel/idprom.c b/arch/sparc/kernel/idprom.c
index 3a5bad525394..7220562cdb34 100644
--- a/arch/sparc/kernel/idprom.c
+++ b/arch/sparc/kernel/idprom.c
@@ -1,4 +1,4 @@
-/* $Id: idprom.c,v 1.24 1999/08/31 06:54:20 davem Exp $
+/*
  * idprom.c: Routines to load the idprom into kernel addresses and
  *           interpret the data contained within.
  *
diff --git a/arch/sparc/kernel/init_task.c b/arch/sparc/kernel/init_task.c
index d9d4f96360c7..8e64ebc445ef 100644
--- a/arch/sparc/kernel/init_task.c
+++ b/arch/sparc/kernel/init_task.c
@@ -9,7 +9,6 @@
 #include <asm/uaccess.h>
 
 static struct fs_struct init_fs = INIT_FS;
-static struct files_struct init_files = INIT_FILES;
 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
 struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index ad0ede24ca1d..7b17522f59bf 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -1,4 +1,4 @@
-/* $Id: ioport.c,v 1.45 2001/10/30 04:54:21 davem Exp $
+/*
  * ioport.c:  Simple io mapping allocator.
  *
  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index 01a6756ba371..087390b092b0 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -1,4 +1,4 @@
-/*  $Id: irq.c,v 1.114 2001/12/11 04:55:51 davem Exp $
+/*
  *  arch/sparc/kernel/irq.c:  Interrupt request handling routines. On the
  *                            Sparc the IRQs are basically 'cast in stone'
  *                            and you are supposed to probe the prom's device
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index 59e9344e7a0d..adaaed4ea2fb 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -2,6 +2,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/string.h>
 #include <linux/jiffies.h>
 #include <linux/timer.h>
@@ -45,21 +46,22 @@ static void led_blink(unsigned long timeout)
 	add_timer(&led_blink_timer);
 }
 
-static int led_read_proc(char *buf, char **start, off_t offset, int count,
-			 int *eof, void *data)
+static int led_proc_show(struct seq_file *m, void *v)
 {
-	int len = 0;
-
 	if (get_auxio() & AUXIO_LED)
-		len = sprintf(buf, "on\n");
+		seq_puts(m, "on\n");
 	else
-		len = sprintf(buf, "off\n");
+		seq_puts(m, "off\n");
+	return 0;
+}
 
-	return len;
+static int led_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, led_proc_show, NULL);
 }
 
-static int led_write_proc(struct file *file, const char __user *buffer,
-			  unsigned long count, void *data)
+static ssize_t led_proc_write(struct file *file, const char __user *buffer,
+			      size_t count, loff_t *ppos)
 {
 	char *buf = NULL;
 
@@ -103,6 +105,15 @@ static int led_write_proc(struct file *file, const char __user *buffer,
 	return count;
 }
 
+static const struct file_operations led_proc_fops = {
+	.owner		= THIS_MODULE,
+	.open		= led_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+	.write		= led_proc_write,
+};
+
 static struct proc_dir_entry *led;
 
 #define LED_VERSION	"0.1"
@@ -112,12 +123,9 @@ static int __init led_init(void)
 	init_timer(&led_blink_timer);
 	led_blink_timer.function = led_blink;
 
-	led = create_proc_entry("led", 0, NULL);
+	led = proc_create("led", 0, NULL, &led_proc_fops);
 	if (!led)
 		return -ENOMEM;
-
-	led->read_proc = led_read_proc; /* reader function */
-	led->write_proc = led_write_proc; /* writer function */
 	led->owner = THIS_MODULE;
 
 	printk(KERN_INFO
diff --git a/arch/sparc/kernel/muldiv.c b/arch/sparc/kernel/muldiv.c
index 37b9a4942232..e352239e72c8 100644
--- a/arch/sparc/kernel/muldiv.c
+++ b/arch/sparc/kernel/muldiv.c
@@ -1,4 +1,4 @@
-/* $Id: muldiv.c,v 1.5 1997/12/15 20:07:20 ecd Exp $
+/*
  * muldiv.c: Hardware multiply/division illegal instruction trap
  *		for sun4c/sun4 (which do not have those instructions)
  *
diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c
index e7f35198ae34..da48d248cc17 100644
--- a/arch/sparc/kernel/process.c
+++ b/arch/sparc/kernel/process.c
@@ -419,14 +419,26 @@ asmlinkage int sparc_do_fork(unsigned long clone_flags,
                              unsigned long stack_size)
 {
 	unsigned long parent_tid_ptr, child_tid_ptr;
+	unsigned long orig_i1 = regs->u_regs[UREG_I1];
+	long ret;
 
 	parent_tid_ptr = regs->u_regs[UREG_I2];
 	child_tid_ptr = regs->u_regs[UREG_I4];
 
-	return do_fork(clone_flags, stack_start,
-		       regs, stack_size,
-		       (int __user *) parent_tid_ptr,
-		       (int __user *) child_tid_ptr);
+	ret = do_fork(clone_flags, stack_start,
+		      regs, stack_size,
+		      (int __user *) parent_tid_ptr,
+		      (int __user *) child_tid_ptr);
+
+	/* If we get an error and potentially restart the system
+	 * call, we're screwed because copy_thread() clobbered
+	 * the parent's %o1.  So detect that case and restore it
+	 * here.
+	 */
+	if ((unsigned long)ret >= -ERESTART_RESTARTBLOCK)
+		regs->u_regs[UREG_I1] = orig_i1;
+
+	return ret;
 }
 
 /* Copy a Sparc thread.  The fork() return value conventions
@@ -626,11 +638,6 @@ asmlinkage int sparc_execve(struct pt_regs *regs)
 			  (char __user * __user *)regs->u_regs[base + UREG_I2],
 			  regs);
 	putname(filename);
-	if (error == 0) {
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-		task_unlock(current);
-	}
 out:
 	return error;
 }
diff --git a/arch/sparc/kernel/ptrace.c b/arch/sparc/kernel/ptrace.c
index 7f44ae69b29e..81f3b929743f 100644
--- a/arch/sparc/kernel/ptrace.c
+++ b/arch/sparc/kernel/ptrace.c
@@ -170,8 +170,8 @@ static int genregs32_set(struct task_struct *target,
 		switch (pos) {
 		case 32: /* PSR */
 			psr = regs->psr;
-			psr &= ~PSR_ICC;
-			psr |= (reg & PSR_ICC);
+			psr &= ~(PSR_ICC | PSR_SYSCALL);
+			psr |= (reg & (PSR_ICC | PSR_SYSCALL));
 			regs->psr = psr;
 			break;
 		case 33: /* PC */
@@ -441,6 +441,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		break;
 
 	default:
+		if (request == PTRACE_SPARC_DETACH)
+			request = PTRACE_DETACH;
 		ret = ptrace_request(child, request, addr, data);
 		break;
 	}
diff --git a/arch/sparc/kernel/rtrap.S b/arch/sparc/kernel/rtrap.S
index 77ca6fd81253..ce30082ab266 100644
--- a/arch/sparc/kernel/rtrap.S
+++ b/arch/sparc/kernel/rtrap.S
@@ -1,4 +1,4 @@
-/* $Id: rtrap.S,v 1.58 2002/01/31 03:30:05 davem Exp $
+/*
  * rtrap.S: Return from Sparc trap low-level code.
  *
  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
@@ -50,8 +50,9 @@ rtrap_7win_patch5:	and	%g1, 0x7f, %g1
 ret_trap_entry:
 ret_trap_lockless_ipi:
 	andcc	%t_psr, PSR_PS, %g0
+	sethi	%hi(PSR_SYSCALL), %g1
 	be	1f
-	 nop
+	 andn	%t_psr, %g1, %t_psr
 
 	wr	%t_psr, 0x0, %psr
 	b	ret_trap_kernel
@@ -73,7 +74,6 @@ signal_p:
 	 ld	[%sp + STACKFRAME_SZ + PT_PSR], %t_psr
 
 	mov	%l5, %o1
-	mov	%l6, %o2
 	call	do_signal
 	 add	%sp, STACKFRAME_SZ, %o0	! pt_regs ptr
 
@@ -81,6 +81,8 @@ signal_p:
 	ld	[%sp + STACKFRAME_SZ + PT_PSR], %t_psr
 	clr	%l6
 ret_trap_continue:
+	sethi	%hi(PSR_SYSCALL), %g1
+	andn	%t_psr, %g1, %t_psr
 	wr	%t_psr, 0x0, %psr
 	WRITE_PAUSE
 
@@ -137,8 +139,9 @@ ret_trap_userwins_ok:
 	LOAD_PT_PRIV(sp, t_psr, t_pc, t_npc)
 	or	%t_pc, %t_npc, %g2
 	andcc	%g2, 0x3, %g0
+	sethi	%hi(PSR_SYSCALL), %g2
 	be	1f
-	 nop
+	 andn	%t_psr, %g2, %t_psr
 
 	b	ret_trap_unaligned_pc
 	 add	%sp, STACKFRAME_SZ, %o0
@@ -201,6 +204,8 @@ rtrap_patch5:	and	%g1, 0xff, %g1
 1:
 	LOAD_PT_ALL(sp, t_psr, t_pc, t_npc, g1)
 2:
+	sethi	%hi(PSR_SYSCALL), %twin_tmp1
+	andn	%t_psr, %twin_tmp1, %t_psr
 	wr	%t_psr, 0x0, %psr
 	WRITE_PAUSE
 
diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c
index 3c13137685da..a0ea0bc6f471 100644
--- a/arch/sparc/kernel/setup.c
+++ b/arch/sparc/kernel/setup.c
@@ -1,4 +1,4 @@
-/*  $Id: setup.c,v 1.126 2001/11/13 00:49:27 davem Exp $
+/*
  *  linux/arch/sparc/kernel/setup.c
  *
  *  Copyright (C) 1995  David S. Miller (davem@caip.rutgers.edu)
@@ -180,11 +180,9 @@ static void __init boot_flags_init(char *commands)
 
 /* This routine will in the future do all the nasty prom stuff
  * to probe for the mmu type and its parameters, etc. This will
- * also be where SMP things happen plus the Sparc specific memory
- * physical memory probe as on the alpha.
+ * also be where SMP things happen.
  */
 
-extern int prom_probe_memory(void);
 extern void sun4c_probe_vac(void);
 extern char cputypval;
 extern unsigned long start, end;
@@ -268,7 +266,6 @@ void __init setup_arch(char **cmdline_p)
 	if (ARCH_SUN4C_SUN4)
 		sun4c_probe_vac();
 	load_mmu();
-	(void) prom_probe_memory();
 
 	phys_base = 0xffffffffUL;
 	highest_paddr = 0UL;
diff --git a/arch/sparc/kernel/signal.c b/arch/sparc/kernel/signal.c
index 3c312290c3c2..3fd1df9f9ba7 100644
--- a/arch/sparc/kernel/signal.c
+++ b/arch/sparc/kernel/signal.c
@@ -145,6 +145,9 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
 	regs->psr = (up_psr & ~(PSR_ICC | PSR_EF))
 		  | (regs->psr & (PSR_ICC | PSR_EF));
 
+	/* Prevent syscall restart.  */
+	pt_regs_clear_syscall(regs);
+
 	err |= __get_user(fpu_save, &sf->fpu_save);
 
 	if (fpu_save)
@@ -199,6 +202,9 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
 
 	regs->psr = (regs->psr & ~PSR_ICC) | (psr & PSR_ICC);
 
+	/* Prevent syscall restart.  */
+	pt_regs_clear_syscall(regs);
+
 	err |= __get_user(fpu_save, &sf->fpu_save);
 
 	if (fpu_save)
@@ -245,15 +251,29 @@ static inline int invalid_frame_pointer(void __user *fp, int fplen)
 
 static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, unsigned long framesize)
 {
-	unsigned long sp;
+	unsigned long sp = regs->u_regs[UREG_FP];
 
-	sp = regs->u_regs[UREG_FP];
+	/*
+	 * If we are on the alternate signal stack and would overflow it, don't.
+	 * Return an always-bogus address instead so we will die with SIGSEGV.
+	 */
+	if (on_sig_stack(sp) && !likely(on_sig_stack(sp - framesize)))
+		return (void __user *) -1L;
 
 	/* This is the X/Open sanctioned signal stack switching.  */
 	if (sa->sa_flags & SA_ONSTACK) {
-		if (!on_sig_stack(sp) && !((current->sas_ss_sp + current->sas_ss_size) & 7))
+		if (sas_ss_flags(sp) == 0)
 			sp = current->sas_ss_sp + current->sas_ss_size;
 	}
+
+	/* Always align the stack frame.  This handles two cases.  First,
+	 * sigaltstack need not be mindful of platform specific stack
+	 * alignment.  Second, if we took this signal because the stack
+	 * is not aligned properly, we'd like to take the signal cleanly
+	 * and report that.
+	 */
+	sp &= ~7UL;
+
 	return (void __user *)(sp - framesize);
 }
 
@@ -493,26 +513,36 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0, int restart_syscall)
+asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0)
 {
-	siginfo_t info;
-	struct sparc_deliver_cookie cookie;
 	struct k_sigaction ka;
-	int signr;
+	int restart_syscall;
 	sigset_t *oldset;
+	siginfo_t info;
+	int signr;
 
-	cookie.restart_syscall = restart_syscall;
-	cookie.orig_i0 = orig_i0;
+	if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))
+		restart_syscall = 1;
+	else
+		restart_syscall = 0;
 
 	if (test_thread_flag(TIF_RESTORE_SIGMASK))
 		oldset = &current->saved_sigmask;
 	else
 		oldset = &current->blocked;
 
-	signr = get_signal_to_deliver(&info, &ka, regs, &cookie);
+	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+
+	/* If the debugger messes with the program counter, it clears
+	 * the software "in syscall" bit, directing us to not perform
+	 * a syscall restart.
+	 */
+	if (restart_syscall && !pt_regs_is_syscall(regs))
+		restart_syscall = 0;
+
 	if (signr > 0) {
-		if (cookie.restart_syscall)
-			syscall_restart(cookie.orig_i0, regs, &ka.sa);
+		if (restart_syscall)
+			syscall_restart(orig_i0, regs, &ka.sa);
 		handle_signal(signr, &ka, &info, oldset, regs);
 
 		/* a signal was successfully delivered; the saved
@@ -524,16 +554,16 @@ asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0, int rest
 			clear_thread_flag(TIF_RESTORE_SIGMASK);
 		return;
 	}
-	if (cookie.restart_syscall &&
+	if (restart_syscall &&
 	    (regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
 	     regs->u_regs[UREG_I0] == ERESTARTSYS ||
 	     regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
 		/* replay the system call when we are done */
-		regs->u_regs[UREG_I0] = cookie.orig_i0;
+		regs->u_regs[UREG_I0] = orig_i0;
 		regs->pc -= 4;
 		regs->npc -= 4;
 	}
-	if (cookie.restart_syscall &&
+	if (restart_syscall &&
 	    regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
 		regs->u_regs[UREG_G1] = __NR_restart_syscall;
 		regs->pc -= 4;
@@ -585,27 +615,3 @@ do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr,
 out:
 	return ret;
 }
-
-void ptrace_signal_deliver(struct pt_regs *regs, void *cookie)
-{
-	struct sparc_deliver_cookie *cp = cookie;
-
-	if (cp->restart_syscall &&
-	    (regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
-	     regs->u_regs[UREG_I0] == ERESTARTSYS ||
-	     regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
-		/* replay the system call when we are done */
-		regs->u_regs[UREG_I0] = cp->orig_i0;
-		regs->pc -= 4;
-		regs->npc -= 4;
-		cp->restart_syscall = 0;
-	}
-
-	if (cp->restart_syscall &&
-	    regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
-		regs->u_regs[UREG_G1] = __NR_restart_syscall;
-		regs->pc -= 4;
-		regs->npc -= 4;
-		cp->restart_syscall = 0;
-	}
-}
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index aa8ee06cf488..b23cea5ca5d1 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -1,4 +1,4 @@
-/* $Id: sparc_ksyms.c,v 1.107 2001/07/17 16:17:33 anton Exp $
+/*
  * arch/sparc/kernel/ksyms.c: Sparc specific ksyms support.
  *
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index e0efab2a6bef..8ac5661cafff 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -1,4 +1,4 @@
-/*  $Id: sun4d_irq.c,v 1.29 2001/12/11 04:55:51 davem Exp $
+/*
  *  arch/sparc/kernel/sun4d_irq.c:
  *			SS1000/SC2000 interrupt handling.
  *
diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c
index f188b5dc9fd0..3c6b49a53ae8 100644
--- a/arch/sparc/kernel/sys_sparc.c
+++ b/arch/sparc/kernel/sys_sparc.c
@@ -219,12 +219,11 @@ out:
 	return err;
 }
 
-int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
+int sparc_mmap_check(unsigned long addr, unsigned long len)
 {
 	if (ARCH_SUN4C_SUN4 &&
 	    (len > 0x20000000 ||
-	     ((flags & MAP_FIXED) &&
-	      addr < 0xe0000000 && addr + len > 0x20000000)))
+	     (addr < 0xe0000000 && addr + len > 0x20000000)))
 		return -EINVAL;
 
 	/* See asm-sparc/uaccess.h */
@@ -296,52 +295,14 @@ asmlinkage unsigned long sparc_mremap(unsigned long addr,
 	unsigned long old_len, unsigned long new_len,
 	unsigned long flags, unsigned long new_addr)
 {
-	struct vm_area_struct *vma;
 	unsigned long ret = -EINVAL;
-	if (ARCH_SUN4C_SUN4) {
-		if (old_len > 0x20000000 || new_len > 0x20000000)
-			goto out;
-		if (addr < 0xe0000000 && addr + old_len > 0x20000000)
-			goto out;
-	}
-	if (old_len > TASK_SIZE - PAGE_SIZE ||
-	    new_len > TASK_SIZE - PAGE_SIZE)
+
+	if (unlikely(sparc_mmap_check(addr, old_len)))
+		goto out;
+	if (unlikely(sparc_mmap_check(new_addr, new_len)))
 		goto out;
 	down_write(&current->mm->mmap_sem);
-	if (flags & MREMAP_FIXED) {
-		if (ARCH_SUN4C_SUN4 &&
-		    new_addr < 0xe0000000 &&
-		    new_addr + new_len > 0x20000000)
-			goto out_sem;
-		if (new_addr + new_len > TASK_SIZE - PAGE_SIZE)
-			goto out_sem;
-	} else if ((ARCH_SUN4C_SUN4 && addr < 0xe0000000 &&
-		    addr + new_len > 0x20000000) ||
-		   addr + new_len > TASK_SIZE - PAGE_SIZE) {
-		unsigned long map_flags = 0;
-		struct file *file = NULL;
-
-		ret = -ENOMEM;
-		if (!(flags & MREMAP_MAYMOVE))
-			goto out_sem;
-
-		vma = find_vma(current->mm, addr);
-		if (vma) {
-			if (vma->vm_flags & VM_SHARED)
-				map_flags |= MAP_SHARED;
-			file = vma->vm_file;
-		}
-
-		new_addr = get_unmapped_area(file, addr, new_len,
-				     vma ? vma->vm_pgoff : 0,
-				     map_flags);
-		ret = new_addr;
-		if (new_addr & ~PAGE_MASK)
-			goto out_sem;
-		flags |= MREMAP_FIXED;
-	}
 	ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-out_sem:
 	up_write(&current->mm->mmap_sem);
 out:
 	return ret;       
diff --git a/arch/sparc/kernel/trampoline.S b/arch/sparc/kernel/trampoline.S
index 2dcdaa1fd8cd..356c56aebc62 100644
--- a/arch/sparc/kernel/trampoline.S
+++ b/arch/sparc/kernel/trampoline.S
@@ -1,4 +1,4 @@
-/* $Id: trampoline.S,v 1.14 2002/01/11 08:45:38 davem Exp $
+/*
  * trampoline.S: SMP cpu boot-up trampoline code.
  *
  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/kernel/traps.c b/arch/sparc/kernel/traps.c
index d404e7994527..978e9d85949e 100644
--- a/arch/sparc/kernel/traps.c
+++ b/arch/sparc/kernel/traps.c
@@ -1,4 +1,4 @@
-/* $Id: traps.c,v 1.64 2000/09/03 15:00:49 anton Exp $
+/*
  * arch/sparc/kernel/traps.c
  *
  * Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/kernel/unaligned.c b/arch/sparc/kernel/unaligned.c
index 33857be16661..c2a28c5ad650 100644
--- a/arch/sparc/kernel/unaligned.c
+++ b/arch/sparc/kernel/unaligned.c
@@ -1,4 +1,4 @@
-/* $Id: unaligned.c,v 1.23 2001/12/21 00:54:31 davem Exp $
+/*
  * unaligned.c: Unaligned load/store trap handling with special
  *              cases for the kernel to do them more quickly.
  *
diff --git a/arch/sparc/kernel/wof.S b/arch/sparc/kernel/wof.S
index 083b1215d515..4bce38dfe3c5 100644
--- a/arch/sparc/kernel/wof.S
+++ b/arch/sparc/kernel/wof.S
@@ -1,4 +1,4 @@
-/* $Id: wof.S,v 1.40 2000/01/08 16:38:18 anton Exp $
+/*
  * wof.S: Sparc window overflow handler.
  *
  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
diff --git a/arch/sparc/kernel/wuf.S b/arch/sparc/kernel/wuf.S
index d1a266bf103a..82e5145b0f77 100644
--- a/arch/sparc/kernel/wuf.S
+++ b/arch/sparc/kernel/wuf.S
@@ -1,4 +1,4 @@
-/* $Id: wuf.S,v 1.39 2000/01/08 16:38:18 anton Exp $
+/*
  * wuf.S: Window underflow trap handler for the Sparc.
  *
  * Copyright (C) 1995 David S. Miller