Merge branch 'linus' into x86/pebs

Conflicts:

	arch/x86/Kconfig.cpu
	arch/x86/kernel/cpu/intel.c
	arch/x86/kernel/setup_64.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

25 files changed, 222 insertions, 197 deletions

diff --git a/arch/cris/arch-v10/boot/Makefile b/arch/cris/arch-v10/boot/Makefile
index 20c83a53caf..21720301443 100644
--- a/arch/cris/arch-v10/boot/Makefile
+++ b/arch/cris/arch-v10/boot/Makefile
@@ -2,7 +2,6 @@
 # arch/cris/arch-v10/boot/Makefile
 #
 
-OBJCOPY = objcopy-cris
 OBJCOPYFLAGS = -O binary --remove-section=.bss
 
 subdir- := compressed rescue
diff --git a/arch/cris/arch-v10/boot/compressed/Makefile b/arch/cris/arch-v10/boot/compressed/Makefile
index 4a031cb27eb..08d943ce4be 100644
--- a/arch/cris/arch-v10/boot/compressed/Makefile
+++ b/arch/cris/arch-v10/boot/compressed/Makefile
@@ -2,12 +2,10 @@
 # arch/cris/arch-v10/boot/compressed/Makefile
 #
 
-CC = gcc-cris -melf $(LINUXINCLUDE)
-ccflags-y += -O2
-LD = ld-cris
-ldflags-y += -T $(obj)/decompress.ld
+asflags-y += $(LINUXINCLUDE)
+ccflags-y += -O2 $(LINUXINCLUDE)
+ldflags-y += -T $(srctree)/$(obj)/decompress.ld
 OBJECTS = $(obj)/head.o $(obj)/misc.o
-OBJCOPY = objcopy-cris
 OBJCOPYFLAGS = -O binary --remove-section=.bss
 
 quiet_cmd_image = BUILD   $@
@@ -21,12 +19,6 @@ $(obj)/decompress.o: $(OBJECTS) FORCE
 $(obj)/decompress.bin: $(obj)/decompress.o FORCE
 	$(call if_changed,objcopy)
 
-$(obj)/head.o: $(obj)/head.S .config
-	@$(CC) -D__ASSEMBLY__ -traditional -c $< -o $@
-
-$(obj)/misc.o: $(obj)/misc.c .config
-	@$(CC) -D__KERNEL__ -c $< -o $@
-
 $(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
 	$(call if_changed,image)
 
diff --git a/arch/cris/arch-v10/boot/compressed/decompress.ld b/arch/cris/arch-v10/boot/compressed/decompress.ld
index 0b0a14fe617..e80f4594d54 100644
--- a/arch/cris/arch-v10/boot/compressed/decompress.ld
+++ b/arch/cris/arch-v10/boot/compressed/decompress.ld
@@ -1,4 +1,5 @@
-OUTPUT_FORMAT(elf32-us-cris)
+/* OUTPUT_FORMAT(elf32-us-cris) */
+OUTPUT_FORMAT(elf32-cris)
 
 MEMORY 
 	{
diff --git a/arch/cris/arch-v10/boot/compressed/head.S b/arch/cris/arch-v10/boot/compressed/head.S
index 610bdb23755..981fbae8495 100644
--- a/arch/cris/arch-v10/boot/compressed/head.S
+++ b/arch/cris/arch-v10/boot/compressed/head.S
@@ -15,77 +15,77 @@
 #define COMMAND_LINE_MAGIC 0x87109563
 
 	;; Exported symbols
-	
-	.globl	_input_data
 
-	
+	.globl	input_data
+
+
 	.text
 
 	nop
 	di
 
 ;; We need to initialze DRAM registers before we start using the DRAM
-	
-	cmp.d	RAM_INIT_MAGIC, r8	; Already initialized?
+
+	cmp.d	RAM_INIT_MAGIC, $r8	; Already initialized?
 	beq	dram_init_finished
 	nop
-	
+
 #include "../../lib/dram_init.S"
-	
-dram_init_finished:	
-		
+
+dram_init_finished:
+
 	;; Initiate the PA and PB ports
 
-	move.b   CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0
-	move.b   r0, [R_PORT_PA_DATA]
+	move.b   CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
+	move.b   $r0, [R_PORT_PA_DATA]
 
-	move.b   CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0
-	move.b   r0, [R_PORT_PA_DIR]
+	move.b   CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
+	move.b   $r0, [R_PORT_PA_DIR]
 
-	move.b   CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0
-	move.b   r0, [R_PORT_PB_DATA]
+	move.b   CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
+	move.b   $r0, [R_PORT_PB_DATA]
 
-	move.b   CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0
-	move.b   r0, [R_PORT_PB_DIR]
+	move.b   CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
+	move.b   $r0, [R_PORT_PB_DIR]
 
 	;; Setup the stack to a suitably high address.
 	;; We assume 8 MB is the minimum DRAM in an eLinux
 	;; product and put the sp at the top for now.
 
-	move.d	0x40800000, sp
+	move.d	0x40800000, $sp
 
 	;; Figure out where the compressed piggyback image is
 	;; in the flash (since we wont try to copy it to DRAM
 	;; before unpacking). It is at _edata, but in flash.
 	;; Use (_edata - basse) as offset to the current PC.
-	
-basse:	move.d	pc, r5
-	and.d	0x7fffffff, r5	; strip any non-cache bit
-	subq	2, r5		; compensate for the move.d pc instr
-	move.d	r5, r0		; save for later - flash address of 'basse'
-	add.d	_edata, r5
-	sub.d	basse, r5	; r5 = flash address of '_edata'
-	
+
+basse:	move.d	$pc, $r5
+	and.d	0x7fffffff, $r5	; strip any non-cache bit
+	subq	2, $r5		; compensate for the move.d $pc instr
+	move.d	$r5, $r0		; save for later - flash address of 'basse'
+	add.d	_edata, $r5
+	sub.d	basse, $r5	; $r5 = flash address of '_edata'
+
 	;; Copy text+data to DRAM
-	
-	move.d	basse, r1	; destination
-	move.d	_edata, r2	; end destination
-1:	move.w	[r0+], r3
-	move.w	r3, [r1+]
-	cmp.d	r2, r1
+
+	move.d	basse, $r1	; destination
+	move.d	_edata, $r2	; end destination
+1:	move.w	[$r0+], $r3
+	move.w	$r3, [$r1+]
+	cmp.d	$r2, $r1
 	bcs	1b
 	nop
 
-	move.d	r5, [_input_data] ; for the decompressor
+	move.d	$r5, [input_data] ; for the decompressor
 
 
 	;; Clear the decompressors BSS (between _edata and _end)
-	
-	moveq	0, r0
-	move.d	_edata, r1
-	move.d	_end, r2
-1:	move.w	r0, [r1+]
-	cmp.d	r2, r1
+
+	moveq	0, $r0
+	move.d	_edata, $r1
+	move.d	_end, $r2
+1:	move.w	$r0, [$r1+]
+	cmp.d	$r2, $r1
 	bcs	1b
 	nop
 
@@ -94,16 +94,16 @@ basse:	move.d	pc, r5
 	move.d  $r10, [$r12]
 	move.d	_cmd_line_addr, $r12
 	move.d  $r11, [$r12]
-	
-	;; Do the decompression and save compressed size in _inptr
 
-	jsr	_decompress_kernel
-	
-	;; Put start address of root partition in r9 so the kernel can use it
+	;; Do the decompression and save compressed size in inptr
+
+	jsr	decompress_kernel
+
+	;; Put start address of root partition in $r9 so the kernel can use it
 	;; when mounting from flash
 
-	move.d	[_input_data], r9	; flash address of compressed kernel
-	add.d	[_inptr], r9		; size of compressed kernel
+	move.d	[input_data], $r9	; flash address of compressed kernel
+	add.d	[inptr], $r9		; size of compressed kernel
 
 	;; Restore command line magic and address.
 	move.d  _cmd_line_magic, $r10
@@ -112,12 +112,12 @@ basse:	move.d	pc, r5
 	move.d  [$r11], $r11
 
 	;; Enter the decompressed kernel
-	move.d	RAM_INIT_MAGIC, r8	; Tell kernel that DRAM is initialized
+	move.d	RAM_INIT_MAGIC, $r8	; Tell kernel that DRAM is initialized
 	jump	0x40004000	; kernel is linked to this address
-	
+
 	.data
 
-_input_data:
+input_data:
 	.dword	0		; used by the decompressor
 _cmd_line_magic:
 	.dword 0
diff --git a/arch/cris/arch-v10/boot/compressed/misc.c b/arch/cris/arch-v10/boot/compressed/misc.c
index 9a43ab19391..18e13bce140 100644
--- a/arch/cris/arch-v10/boot/compressed/misc.c
+++ b/arch/cris/arch-v10/boot/compressed/misc.c
@@ -29,12 +29,10 @@
 #define OF(args)  args
 #define STATIC static
 
-void* memset(void* s, int c, size_t n);
-void* memcpy(void* __dest, __const void* __src,
-	     size_t __n);
-
-#define memzero(s, n)     memset ((s), 0, (n))
+void *memset(void *s, int c, size_t n);
+void *memcpy(void *__dest, __const void *__src, size_t __n);
 
+#define memzero(s, n)     memset((s), 0, (n))
 
 typedef unsigned char  uch;
 typedef unsigned short ush;
@@ -62,57 +60,69 @@ static unsigned outcnt = 0;  /* bytes in output buffer */
 #define ENCRYPTED    0x20 /* bit 5 set: file is encrypted */
 #define RESERVED     0xC0 /* bit 6,7:   reserved */
 
-#define get_byte() inbuf[inptr++]	
-	
+#define get_byte() (inbuf[inptr++])
+
 /* Diagnostic functions */
 #ifdef DEBUG
-#  define Assert(cond,msg) {if(!(cond)) error(msg);}
+#  define Assert(cond, msg) do { \
+		if (!(cond)) \
+			error(msg); \
+	} while (0)
 #  define Trace(x) fprintf x
-#  define Tracev(x) {if (verbose) fprintf x ;}
-#  define Tracevv(x) {if (verbose>1) fprintf x ;}
-#  define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-#  define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
+#  define Tracev(x) do { \
+		if (verbose) \
+			fprintf x; \
+	} while (0)
+#  define Tracevv(x) do { \
+		if (verbose > 1) \
+			fprintf x; \
+	} while (0)
+#  define Tracec(c, x) do { \
+		if (verbose && (c)) \
+			fprintf x; \
+	} while (0)
+#  define Tracecv(c, x) do { \
+		if (verbose > 1 && (c)) \
+			fprintf x; \
+	} while (0)
 #else
-#  define Assert(cond,msg)
+#  define Assert(cond, msg)
 #  define Trace(x)
 #  define Tracev(x)
 #  define Tracevv(x)
-#  define Tracec(c,x)
-#  define Tracecv(c,x)
+#  define Tracec(c, x)
+#  define Tracecv(c, x)
 #endif
 
-static int  fill_inbuf(void);
 static void flush_window(void);
 static void error(char *m);
-static void gzip_mark(void **);
-static void gzip_release(void **);
 
 extern char *input_data;  /* lives in head.S */
 
 static long bytes_out = 0;
 static uch *output_data;
 static unsigned long output_ptr = 0;
- 
+
 static void *malloc(int size);
 static void free(void *where);
-static void error(char *m);
 static void gzip_mark(void **);
 static void gzip_release(void **);
- 
+
 static void puts(const char *);
 
 /* the "heap" is put directly after the BSS ends, at end */
-  
-extern int end;
-static long free_mem_ptr = (long)&end;
- 
+
+extern int _end;
+static long free_mem_ptr = (long)&_end;
+
 #include "../../../../../lib/inflate.c"
 
 static void *malloc(int size)
 {
 	void *p;
 
-	if (size <0) error("Malloc error");
+	if (size < 0)
+		error("Malloc error");
 
 	free_mem_ptr = (free_mem_ptr + 3) & ~3;	/* Align */
 
@@ -142,44 +152,47 @@ static void
 puts(const char *s)
 {
 #ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
-	while(*s) {
+	while (*s) {
 #ifdef CONFIG_ETRAX_DEBUG_PORT0
-		while(!(*R_SERIAL0_STATUS & (1 << 5))) ;
+		while (!(*R_SERIAL0_STATUS & (1 << 5))) ;
 		*R_SERIAL0_TR_DATA = *s++;
 #endif
 #ifdef CONFIG_ETRAX_DEBUG_PORT1
-		while(!(*R_SERIAL1_STATUS & (1 << 5))) ;
+		while (!(*R_SERIAL1_STATUS & (1 << 5))) ;
 		*R_SERIAL1_TR_DATA = *s++;
 #endif
 #ifdef CONFIG_ETRAX_DEBUG_PORT2
-		while(!(*R_SERIAL2_STATUS & (1 << 5))) ;
+		while (!(*R_SERIAL2_STATUS & (1 << 5))) ;
 		*R_SERIAL2_TR_DATA = *s++;
 #endif
 #ifdef CONFIG_ETRAX_DEBUG_PORT3
-		while(!(*R_SERIAL3_STATUS & (1 << 5))) ;
+		while (!(*R_SERIAL3_STATUS & (1 << 5))) ;
 		*R_SERIAL3_TR_DATA = *s++;
 #endif
 	}
 #endif
 }
 
-void*
-memset(void* s, int c, size_t n)
+void *memset(void *s, int c, size_t n)
 {
 	int i;
-	char *ss = (char*)s;
+	char *ss = (char *)s;
+
+	for (i = 0; i < n; i++)
+		ss[i] = c;
 
-	for (i=0;i<n;i++) ss[i] = c;
+	return s;
 }
 
-void*
-memcpy(void* __dest, __const void* __src,
-			    size_t __n)
+void *memcpy(void *__dest, __const void *__src, size_t __n)
 {
 	int i;
 	char *d = (char *)__dest, *s = (char *)__src;
 
-	for (i=0;i<__n;i++) d[i] = s[i];
+	for (i = 0; i < __n; i++)
+		d[i] = s[i];
+
+	return __dest;
 }
 
 /* ===========================================================================
@@ -187,46 +200,44 @@ memcpy(void* __dest, __const void* __src,
  * (Used for the decompressed data only.)
  */
 
-static void
-flush_window()
+static void flush_window(void)
 {
-    ulg c = crc;         /* temporary variable */
-    unsigned n;
-    uch *in, *out, ch;
-    
-    in = window;
-    out = &output_data[output_ptr]; 
-    for (n = 0; n < outcnt; n++) {
-	    ch = *out++ = *in++;
-	    c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
-    }
-    crc = c;
-    bytes_out += (ulg)outcnt;
-    output_ptr += (ulg)outcnt;
-    outcnt = 0;
+	ulg c = crc;         /* temporary variable */
+	unsigned n;
+	uch *in, *out, ch;
+
+	in = window;
+	out = &output_data[output_ptr];
+	for (n = 0; n < outcnt; n++) {
+		ch = *out = *in;
+		out++;
+		in++;
+		c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
+	}
+	crc = c;
+	bytes_out += (ulg)outcnt;
+	output_ptr += (ulg)outcnt;
+	outcnt = 0;
 }
 
-static void
-error(char *x)
+static void error(char *x)
 {
 	puts("\n\n");
 	puts(x);
 	puts("\n\n -- System halted\n");
 
-	while(1);	/* Halt */
+	while (1);	/* Halt */
 }
 
-void
-setup_normal_output_buffer()
+void setup_normal_output_buffer(void)
 {
 	output_data = (char *)KERNEL_LOAD_ADR;
 }
 
-void
-decompress_kernel()
+void decompress_kernel(void)
 {
 	char revision;
-	
+
 	/* input_data is set in head.S */
 	inbuf = input_data;
 
@@ -257,11 +268,10 @@ decompress_kernel()
 
 	makecrc();
 
-	__asm__ volatile ("move vr,%0" : "=rm" (revision));
-	if (revision < 10)
-	{
+	__asm__ volatile ("move $vr,%0" : "=rm" (revision));
+	if (revision < 10) {
 		puts("You need an ETRAX 100LX to run linux 2.6\n");
-		while(1);
+		while (1);
 	}
 
 	puts("Uncompressing Linux...\n");
diff --git a/arch/cris/arch-v10/boot/rescue/Makefile b/arch/cris/arch-v10/boot/rescue/Makefile
index 2e5045b9e19..07688da9270 100644
--- a/arch/cris/arch-v10/boot/rescue/Makefile
+++ b/arch/cris/arch-v10/boot/rescue/Makefile
@@ -2,12 +2,9 @@
 # Makefile for rescue (bootstrap) code
 #
 
-CC = gcc-cris -mlinux $(LINUXINCLUDE)
-ccflags-y += -O2
-asflags-y += -traditional
-LD = gcc-cris -mlinux -nostdlib
-ldflags-y += -T $(obj)/rescue.ld
-OBJCOPY = objcopy-cris
+ccflags-y += -O2 $(LINUXINCLUDE)
+asflags-y += $(LINUXINCLUDE)
+ldflags-y += -T $(srctree)/$(obj)/rescue.ld
 OBJCOPYFLAGS = -O binary --remove-section=.bss
 obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
 OBJECT := $(obj)/head.o
diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c
index f1cac9dc75b..1f2ae909d3e 100644
--- a/arch/cris/arch-v10/drivers/eeprom.c
+++ b/arch/cris/arch-v10/drivers/eeprom.c
@@ -28,6 +28,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/smp_lock.h>
 #include <linux/wait.h>
 #include <asm/uaccess.h>
 #include "i2c.h"
@@ -375,10 +376,9 @@ int __init eeprom_init(void)
 }
 
 /* Opens the device. */
-
 static int eeprom_open(struct inode * inode, struct file * file)
 {
-
+  cycle_kernel_lock();
   if(iminor(inode) != EEPROM_MINOR_NR)
      return -ENXIO;
   if(imajor(inode) != EEPROM_MAJOR_NR)
diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c
index 68a998bd106..86048e697eb 100644
--- a/arch/cris/arch-v10/drivers/gpio.c
+++ b/arch/cris/arch-v10/drivers/gpio.c
@@ -16,6 +16,7 @@
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/fs.h>
+#include <linux/smp_lock.h>
 #include <linux/string.h>
 #include <linux/poll.h>
 #include <linux/init.h>
@@ -323,6 +324,7 @@ gpio_open(struct inode *inode, struct file *filp)
 	if (!priv)
 		return -ENOMEM;
 
+	lock_kernel();
 	priv->minor = p;
 
 	/* initialize the io/alarm struct */
@@ -357,6 +359,7 @@ gpio_open(struct inode *inode, struct file *filp)
 	alarmlist = priv;
 	spin_unlock_irqrestore(&gpio_lock, flags);
 
+	unlock_kernel();
 	return 0;
 }
 
diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c
index d6d22067d0c..2797e67ce4f 100644
--- a/arch/cris/arch-v10/drivers/i2c.c
+++ b/arch/cris/arch-v10/drivers/i2c.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/fs.h>
@@ -566,6 +567,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
 static int
 i2c_open(struct inode *inode, struct file *filp)
 {
+	cycle_kernel_lock();
 	return 0;
 }
 
diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c
index 52103d16dc6..8769dc91407 100644
--- a/arch/cris/arch-v10/drivers/pcf8563.c
+++ b/arch/cris/arch-v10/drivers/pcf8563.c
@@ -233,7 +233,7 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 
 		if (copy_to_user((struct rtc_time *) arg, &tm,
 				 sizeof tm)) {
-			spin_unlock(&rtc_lock);
+			mutex_unlock(&rtc_lock);
 			return -EFAULT;
 		}
 
diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c
index 069546e342c..91fea623c7c 100644
--- a/arch/cris/arch-v10/drivers/sync_serial.c
+++ b/arch/cris/arch-v10/drivers/sync_serial.c
@@ -21,6 +21,7 @@
 #include <linux/interrupt.h>
 #include <linux/poll.h>
 #include <linux/init.h>
+#include <linux/smp_lock.h>
 #include <linux/timer.h>
 #include <asm/irq.h>
 #include <asm/dma.h>
@@ -443,18 +444,21 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 	int dev = MINOR(inode->i_rdev);
 	struct sync_port *port;
 	int mode;
+	int err = -EBUSY;
 
+	lock_kernel();
 	DEBUG(printk(KERN_DEBUG "Open sync serial port %d\n", dev));
 
 	if (dev < 0 || dev >= NUMBER_OF_PORTS || !ports[dev].enabled) {
 		DEBUG(printk(KERN_DEBUG "Invalid minor %d\n", dev));
-		return -ENODEV;
+		err = -ENODEV;
+		goto out;
 	}
 	port = &ports[dev];
 	/* Allow open this device twice (assuming one reader and one writer) */
 	if (port->busy == 2) {
 		DEBUG(printk(KERN_DEBUG "Device is busy.. \n"));
-		return -EBUSY;
+		goto out;
 	}
 	if (port->init_irqs) {
 		if (port->use_dma) {
@@ -465,14 +469,14 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						&ports[0])) {
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial port 1 IRQ");
-					return -EBUSY;
+					goto out;
 				} else if (request_irq(25, rx_interrupt, 0,
 						"synchronous serial 1 dma rx",
 						&ports[0])) {
 					free_irq(24, &port[0]);
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial port 1 IRQ");
-					return -EBUSY;
+					goto out;
 				} else if (cris_request_dma(8,
 						"synchronous serial 1 dma tr",
 						DMA_VERBOSE_ON_ERROR,
@@ -482,7 +486,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial port 1 "
 						"TX DMA channel");
-					return -EBUSY;
+					goto out;
 				} else if (cris_request_dma(9,
 						"synchronous serial 1 dma rec",
 						DMA_VERBOSE_ON_ERROR,
@@ -493,7 +497,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial port 1 "
 						"RX DMA channel");
-					return -EBUSY;
+					goto out;
 				}
 #endif
 				RESET_DMA(8); WAIT_DMA(8);
@@ -520,14 +524,14 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						&ports[1])) {
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial port 3 IRQ");
-					return -EBUSY;
+					goto out;
 				} else if (request_irq(21, rx_interrupt, 0,
 						"synchronous serial 3 dma rx",
 						&ports[1])) {
 					free_irq(20, &ports[1]);
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial port 3 IRQ");
-					return -EBUSY;
+					goto out;
 				} else if (cris_request_dma(4,
 						"synchronous serial 3 dma tr",
 						DMA_VERBOSE_ON_ERROR,
@@ -537,7 +541,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial port 3 "
 						"TX DMA channel");
-					return -EBUSY;
+					goto out;
 				} else if (cris_request_dma(5,
 						"synchronous serial 3 dma rec",
 						DMA_VERBOSE_ON_ERROR,
@@ -548,7 +552,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial port 3 "
 						"RX DMA channel");
-					return -EBUSY;
+					goto out;
 				}
 #endif
 				RESET_DMA(4); WAIT_DMA(4);
@@ -581,7 +585,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						&ports[0])) {
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial manual irq");
-					return -EBUSY;
+					goto out;
 				}
 			} else if (port == &ports[1]) {
 				if (request_irq(8,
@@ -591,7 +595,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						&ports[1])) {
 					printk(KERN_CRIT "Can't alloc "
 						"sync serial manual irq");
-					return -EBUSY;
+					goto out;
 				}
 			}
 			port->init_irqs = 0;
@@ -620,7 +624,11 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 			*R_IRQ_MASK1_SET = 1 << port->data_avail_bit;
 		DEBUG(printk(KERN_DEBUG "sser%d rec started\n", dev));
 	}
-	return 0;
+	ret = 0;
+	
+out:
+	unlock_kernel();
+	return ret;
 }
 
 static int sync_serial_release(struct inode *inode, struct file *file)
diff --git a/arch/cris/arch-v10/kernel/debugport.c b/arch/cris/arch-v10/kernel/debugport.c
index 04d5eee2c90..3dc6e91ba39 100644
--- a/arch/cris/arch-v10/kernel/debugport.c
+++ b/arch/cris/arch-v10/kernel/debugport.c
@@ -426,12 +426,18 @@ static int dummy_write(struct tty_struct * tty,
 	return count;
 }
 
-static int
-dummy_write_room(struct tty_struct *tty)
+static int dummy_write_room(struct tty_struct *tty)
 {
 	return 8192;
 }
 
+static const struct tty_operations dummy_ops = {
+	.open = dummy_open,
+	.close = dummy_close,
+	.write = dummy_write,
+	.write_room = dummy_write_room,
+};
+
 void __init
 init_dummy_console(void)
 {
@@ -444,14 +450,14 @@ init_dummy_console(void)
 	dummy_driver.type = TTY_DRIVER_TYPE_SERIAL;
 	dummy_driver.subtype = SERIAL_TYPE_NORMAL;
 	dummy_driver.init_termios = tty_std_termios;
+	/* Normally B9600 default... */
 	dummy_driver.init_termios.c_cflag =
-		B115200 | CS8 | CREAD | HUPCL | CLOCAL; /* is normally B9600 default... */
+		B115200 | CS8 | CREAD | HUPCL | CLOCAL;
 	dummy_driver.flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
+	dummy_driver.init_termios.c_ispeed = 115200;
+	dummy_driver.init_termios.c_ospeed = 115200;
 
-	dummy_driver.open = dummy_open;
-	dummy_driver.close = dummy_close;
-	dummy_driver.write = dummy_write;
-	dummy_driver.write_room = dummy_write_room;
+	dummy_driver.ops = &dummy_ops;
 	if (tty_register_driver(&dummy_driver))
 		panic("Couldn't register dummy serial driver\n");
 }
diff --git a/arch/cris/arch-v10/mm/init.c b/arch/cris/arch-v10/mm/init.c
index e0fcd1a9bfd..742fd1974c2 100644
--- a/arch/cris/arch-v10/mm/init.c
+++ b/arch/cris/arch-v10/mm/init.c
@@ -182,7 +182,7 @@ paging_init(void)
 	 * mem_map page array.
 	 */
 
-	free_area_init_node(0, &contig_page_data, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0);
+	free_area_init_node(0, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0);
 }
 
 /* Initialize remaps of some I/O-ports. It is important that this
diff --git a/arch/cris/arch-v32/boot/Makefile b/arch/cris/arch-v32/boot/Makefile
index 3f91349c5f1..99896ad60b3 100644
--- a/arch/cris/arch-v32/boot/Makefile
+++ b/arch/cris/arch-v32/boot/Makefile
@@ -2,7 +2,6 @@
 # arch/cris/arch-v32/boot/Makefile
 #
 
-OBJCOPY = objcopy-cris
 OBJCOPYFLAGS = -O binary -R .note -R .comment
 
 subdir- := compressed rescue
diff --git a/arch/cris/arch-v32/boot/compressed/Makefile b/arch/cris/arch-v32/boot/compressed/Makefile
index 2c8c2c3039c..d6335f26083 100644
--- a/arch/cris/arch-v32/boot/compressed/Makefile
+++ b/arch/cris/arch-v32/boot/compressed/Makefile
@@ -2,14 +2,10 @@
 # arch/cris/arch-v32/boot/compressed/Makefile
 #
 
-CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE)
 asflags-y += -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch
 ccflags-y += -O2 -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch
-LD = gcc-cris -mlinux -march=v32 -nostdlib
-ldflags-y += -T $(obj)/decompress.ld
-obj-y = head.o misc.o
+ldflags-y += -T $(srctree)/$(obj)/decompress.ld
 OBJECTS = $(obj)/head.o $(obj)/misc.o
-OBJCOPY = objcopy-cris
 OBJCOPYFLAGS = -O binary --remove-section=.bss
 
 quiet_cmd_image = BUILD   $@
diff --git a/arch/cris/arch-v32/boot/rescue/Makefile b/arch/cris/arch-v32/boot/rescue/Makefile
index c0987795dcb..44ae0ad61f9 100644
--- a/arch/cris/arch-v32/boot/rescue/Makefile
+++ b/arch/cris/arch-v32/boot/rescue/Makefile
@@ -7,9 +7,8 @@ ccflags-y += -O2 -I $(srctree)/include/asm/arch/mach/ \
 		-I $(srctree)/include/asm/arch
 asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch
 LD = gcc-cris -mlinux -march=v32 -nostdlib
-ldflags-y += -T $(obj)/rescue.ld
+ldflags-y += -T $(srctree)/$(obj)/rescue.ld
 LDPOSTFLAGS = -lgcc
-OBJCOPY = objcopy-cris
 OBJCOPYFLAGS = -O binary --remove-section=.bss
 obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
 OBJECT := $(obj)/head.o
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index 9fb58202be9..67c61ea8681 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -11,6 +11,7 @@
 #include <linux/string.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
+#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 #include <linux/stddef.h>
 
@@ -2302,11 +2303,11 @@ static int cryptocop_job_setup(struct cryptocop_prio_job **pj, struct cryptocop_
 	return 0;
 }
 
-
 static int cryptocop_open(struct inode *inode, struct file *filp)
 {
 	int p = iminor(inode);
 
+	cycle_kernel_lock();
 	if (p != CRYPTOCOP_MINOR) return -EINVAL;
 
 	filp->private_data = NULL;
diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c
index c2fb7a5c139..179e7b80433 100644
--- a/arch/cris/arch-v32/drivers/i2c.c
+++ b/arch/cris/arch-v32/drivers/i2c.c
@@ -33,6 +33,7 @@
 #include <linux/fs.h>
 #include <linux/string.h>
 #include <linux/init.h>
+#include <linux/smp_lock.h>
 
 #include <asm/etraxi2c.h>
 
@@ -636,6 +637,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
 static int
 i2c_open(struct inode *inode, struct file *filp)
 {
+	cycle_kernel_lock();
 	return 0;
 }
 
diff --git a/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/arch/cris/arch-v32/drivers/mach-a3/gpio.c
index de107dad9f4..ef98608e506 100644
--- a/arch/cris/arch-v32/drivers/mach-a3/gpio.c
+++ b/arch/cris/arch-v32/drivers/mach-a3/gpio.c
@@ -23,6 +23,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
+#include <linux/smp_lock.h>
 
 #include <asm/etraxgpio.h>
 #include <hwregs/reg_map.h>
@@ -390,6 +391,8 @@ static int gpio_open(struct inode *inode, struct file *filp)
 
 	if (!priv)
 		return -ENOMEM;
+
+	lock_kernel();
 	memset(priv, 0, sizeof(*priv));
 
 	priv->minor = p;
@@ -412,6 +415,7 @@ static int gpio_open(struct inode *inode, struct file *filp)
 		spin_unlock_irq(&gpio_lock);
 	}
 
+	unlock_kernel();
 	return 0;
 }
 
diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
index 7863fd4efc2..fe1fde89388 100644
--- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c
+++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
@@ -22,6 +22,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
+#include <linux/smp_lock.h>
 
 #include <asm/etraxgpio.h>
 #include <hwregs/reg_map.h>
@@ -426,9 +427,10 @@ gpio_open(struct inode *inode, struct file *filp)
 		return -EINVAL;
 
 	priv = kmalloc(sizeof(struct gpio_private), GFP_KERNEL);
-
 	if (!priv)
 		return -ENOMEM;
+
+	lock_kernel();
 	memset(priv, 0, sizeof(*priv));
 
 	priv->minor = p;
@@ -449,6 +451,7 @@ gpio_open(struct inode *inode, struct file *filp)
 	alarmlist = priv;
 	spin_unlock_irq(&alarm_lock);
 
+	unlock_kernel();
 	return 0;
 }
 
diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c
index 53db3870ba0..f263ab57122 100644
--- a/arch/cris/arch-v32/drivers/pcf8563.c
+++ b/arch/cris/arch-v32/drivers/pcf8563.c
@@ -229,7 +229,7 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 
 		if (copy_to_user((struct rtc_time *) arg, &tm,
 				 sizeof tm)) {
-			spin_unlock(&rtc_lock);
+			mutex_unlock(&rtc_lock);
 			return -EFAULT;
 		}
 
diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c
index 47c377df6fb..d2a0fbf5341 100644
--- a/arch/cris/arch-v32/drivers/sync_serial.c
+++ b/arch/cris/arch-v32/drivers/sync_serial.c
@@ -14,6 +14,7 @@
 #include <linux/major.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/interrupt.h>
 #include <linux/poll.h>
 #include <linux/init.h>
@@ -429,23 +430,26 @@ static inline int sync_data_avail_to_end(struct sync_port *port)
 static int sync_serial_open(struct inode *inode, struct file *file)
 {
 	int dev = iminor(inode);
+	int ret = -EBUSY;
 	sync_port *port;
 	reg_dma_rw_cfg cfg = {.en = regk_dma_yes};
 	reg_dma_rw_intr_mask intr_mask = {.data = regk_dma_yes};
 
+	lock_kernel();
 	DEBUG(printk(KERN_DEBUG "Open sync serial port %d\n", dev));
 
 	if (dev < 0 || dev >= NBR_PORTS || !ports[dev].enabled)
 	{
 		DEBUG(printk(KERN_DEBUG "Invalid minor %d\n", dev));
-		return -ENODEV;
+		ret = -ENODEV;
+		goto out;
 	}
 	port = &ports[dev];
 	/* Allow open this device twice (assuming one reader and one writer) */
 	if (port->busy == 2)
 	{
 		DEBUG(printk(KERN_DEBUG "Device is busy.. \n"));
-		return -EBUSY;
+		goto out;
 	}
 
 
@@ -459,7 +463,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						"synchronous serial 0 dma tr",
 						&ports[0])) {
 					printk(KERN_CRIT "Can't allocate sync serial port 0 IRQ");
-					return -EBUSY;
+					goto out;
 				} else if (request_irq(DMA_IN_INTR_VECT,
 						rx_interrupt,
 						0,
@@ -467,7 +471,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						&ports[0])) {
 					free_irq(DMA_OUT_INTR_VECT, &port[0]);
 					printk(KERN_CRIT "Can't allocate sync serial port 0 IRQ");
-					return -EBUSY;
+					goto out;
 				} else if (crisv32_request_dma(OUT_DMA_NBR,
 						"synchronous serial 0 dma tr",
 						DMA_VERBOSE_ON_ERROR,
@@ -476,7 +480,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 					free_irq(DMA_OUT_INTR_VECT, &port[0]);
 					free_irq(DMA_IN_INTR_VECT, &port[0]);
 					printk(KERN_CRIT "Can't allocate sync serial port 0 TX DMA channel");
-					return -EBUSY;
+					goto out;
 				} else if (crisv32_request_dma(IN_DMA_NBR,
 						"synchronous serial 0 dma rec",
 						DMA_VERBOSE_ON_ERROR,
@@ -486,7 +490,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 					free_irq(DMA_OUT_INTR_VECT, &port[0]);
 					free_irq(DMA_IN_INTR_VECT, &port[0]);
 					printk(KERN_CRIT "Can't allocate sync serial port 1 RX DMA channel");
-					return -EBUSY;
+					goto out;
 				}
 #endif
 			}
@@ -499,7 +503,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						"synchronous serial 1 dma tr",
 						&ports[1])) {
 					printk(KERN_CRIT "Can't allocate sync serial port 1 IRQ");
-					return -EBUSY;
+					goto out;
 				} else if (request_irq(DMA7_INTR_VECT,
 						       rx_interrupt,
 						       0,
@@ -507,7 +511,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						       &ports[1])) {
 					free_irq(DMA6_INTR_VECT, &ports[1]);
 					printk(KERN_CRIT "Can't allocate sync serial port 3 IRQ");
-					return -EBUSY;
+					goto out;
 				} else if (crisv32_request_dma(
 						SYNC_SER1_TX_DMA_NBR,
 						"synchronous serial 1 dma tr",
@@ -517,7 +521,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 					free_irq(DMA6_INTR_VECT, &ports[1]);
 					free_irq(DMA7_INTR_VECT, &ports[1]);
 					printk(KERN_CRIT "Can't allocate sync serial port 3 TX DMA channel");
-					return -EBUSY;
+					goto out;
 				} else if (crisv32_request_dma(
 						SYNC_SER1_RX_DMA_NBR,
 						"synchronous serial 3 dma rec",
@@ -528,7 +532,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 					free_irq(DMA6_INTR_VECT, &ports[1]);
 					free_irq(DMA7_INTR_VECT, &ports[1]);
 					printk(KERN_CRIT "Can't allocate sync serial port 3 RX DMA channel");
-					return -EBUSY;
+					goto out;
 				}
 #endif
 			}
@@ -554,7 +558,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						"synchronous serial manual irq",
 						&ports[0])) {
 					printk("Can't allocate sync serial manual irq");
-					return -EBUSY;
+					goto out;
 				}
 			}
 #ifdef CONFIG_ETRAXFS
@@ -565,7 +569,7 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 						"synchronous serial manual irq",
 						&ports[1])) {
 					printk(KERN_CRIT "Can't allocate sync serial manual irq");
-					return -EBUSY;
+					goto out;
 				}
 			}
 #endif
@@ -578,7 +582,10 @@ static int sync_serial_open(struct inode *inode, struct file *file)
 	} /* port->init_irqs */
 
 	port->busy++;
-	return 0;
+	ret = 0;
+out:
+	unlock_kernel();
+	return ret;
 }
 
 static int sync_serial_release(struct inode *inode, struct file *file)
diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c
index a9c3334e46c..952a24b2f5a 100644
--- a/arch/cris/arch-v32/kernel/smp.c
+++ b/arch/cris/arch-v32/kernel/smp.c
@@ -194,7 +194,7 @@ void stop_this_cpu(void* dummy)
 /* Other calls */
 void smp_send_stop(void)
 {
-	smp_call_function(stop_this_cpu, NULL, 1, 0);
+	smp_call_function(stop_this_cpu, NULL, 0);
 }
 
 int setup_profiling_timer(unsigned int multiplier)
@@ -316,8 +316,7 @@ int send_ipi(int vector, int wait, cpumask_t cpu_mask)
  * You must not call this function with disabled interrupts or from a
  * hardware interrupt handler or from a bottom half handler.
  */
-int smp_call_function(void (*func)(void *info), void *info,
-		      int nonatomic, int wait)
+int smp_call_function(void (*func)(void *info), void *info, int wait)
 {
 	cpumask_t cpu_mask = CPU_MASK_ALL;
 	struct call_data_struct data;
diff --git a/arch/cris/arch-v32/mm/init.c b/arch/cris/arch-v32/mm/init.c
index 5a9ac583464..8a34b8b7429 100644
--- a/arch/cris/arch-v32/mm/init.c
+++ b/arch/cris/arch-v32/mm/init.c
@@ -162,7 +162,7 @@ paging_init(void)
 	 * substantially higher than 0, like us (we start at PAGE_OFFSET). This
 	 * saves space in the mem_map page array.
 	 */
-	free_area_init_node(0, &contig_page_data, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0);
+	free_area_init_node(0, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0);
 
 	mem_map = contig_page_data.node_mem_map;
 }
diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c
index 44f7b4f7947..9aa571169bc 100644
--- a/arch/cris/kernel/profile.c
+++ b/arch/cris/kernel/profile.c
@@ -35,19 +35,16 @@ read_cris_profile(struct file *file, char __user *buf,
 		  size_t count, loff_t *ppos)
 {
 	unsigned long p = *ppos;
+	ssize_t ret;
 
-	if (p > SAMPLE_BUFFER_SIZE)
-		return 0;
+	ret = simple_read_from_buffer(buf, count, ppos, sample_buffer,
+						SAMPLE_BUFFER_SIZE);
+	if (ret < 0)
+		return ret;
 
-	if (p + count > SAMPLE_BUFFER_SIZE)
-		count = SAMPLE_BUFFER_SIZE - p;
-	if (copy_to_user(buf, sample_buffer + p,count))
-		return -EFAULT;
+	memset(sample_buffer + p, 0, ret);
 
-	memset(sample_buffer + p, 0, count);
-	*ppos += count;
-
-	return count;
+	return ret;
 }
 
 static ssize_t