Merge branch 'linux-2.6'

73 files changed, 678 insertions, 521 deletions

diff --git a/arch/.gitignore b/arch/.gitignore
new file mode 100644
index 00000000000..74146892032
--- /dev/null
+++ b/arch/.gitignore
@@ -0,0 +1,2 @@
+i386
+x86_64
diff --git a/arch/alpha/math-emu/math.c b/arch/alpha/math-emu/math.c
index ae79dd970b0..58c2669a1dd 100644
--- a/arch/alpha/math-emu/math.c
+++ b/arch/alpha/math-emu/math.c
@@ -225,7 +225,7 @@ alpha_fp_emul (unsigned long pc)
 				FP_UNPACK_SP(SB, &vb);
 				DR_c = DB_c;
 				DR_s = DB_s;
-				DR_e = DB_e;
+				DR_e = DB_e + (1024 - 128);
 				DR_f = SB_f << (52 - 23);
 				goto pack_d;
 			}
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c4de2d4664d..a04f507e7f2 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1072,11 +1072,13 @@ source "drivers/rtc/Kconfig"
 
 source "drivers/dma/Kconfig"
 
+source "drivers/dca/Kconfig"
+
 endmenu
 
 source "fs/Kconfig"
 
-source "kernel/Kconfig.instrumentation"
+source "arch/arm/Kconfig.instrumentation"
 
 source "arch/arm/Kconfig.debug"
 
diff --git a/arch/arm/Kconfig.instrumentation b/arch/arm/Kconfig.instrumentation
new file mode 100644
index 00000000000..63b8c6d5606
--- /dev/null
+++ b/arch/arm/Kconfig.instrumentation
@@ -0,0 +1,52 @@
+menuconfig INSTRUMENTATION
+	bool "Instrumentation Support"
+	default y
+	---help---
+	  Say Y here to get to see options related to performance measurement,
+	  system-wide debugging, and testing. This option alone does not add any
+	  kernel code.
+
+	  If you say N, all options in this submenu will be skipped and
+	  disabled. If you're trying to debug the kernel itself, go see the
+	  Kernel Hacking menu.
+
+if INSTRUMENTATION
+
+config PROFILING
+	bool "Profiling support (EXPERIMENTAL)"
+	help
+	  Say Y here to enable the extended profiling support mechanisms used
+	  by profilers such as OProfile.
+
+config OPROFILE
+	tristate "OProfile system profiling (EXPERIMENTAL)"
+	depends on PROFILING && !UML
+	help
+	  OProfile is a profiling system capable of profiling the
+	  whole system, include the kernel, kernel modules, libraries,
+	  and applications.
+
+	  If unsure, say N.
+
+config OPROFILE_ARMV6
+	bool
+	depends on OPROFILE && CPU_V6 && !SMP
+	default y
+	select OPROFILE_ARM11_CORE
+
+config OPROFILE_MPCORE
+	bool
+	depends on OPROFILE && CPU_V6 && SMP
+	default y
+	select OPROFILE_ARM11_CORE
+
+config OPROFILE_ARM11_CORE
+	bool
+
+config MARKERS
+	bool "Activate markers"
+	help
+	  Place an empty function call at each marker site. Can be
+	  dynamically changed for a probe function.
+
+endif # INSTRUMENTATION
diff --git a/arch/arm/mach-at91/board-ek.c b/arch/arm/mach-at91/board-ek.c
index d05b1b2be9f..53a5ef9e72e 100644
--- a/arch/arm/mach-at91/board-ek.c
+++ b/arch/arm/mach-at91/board-ek.c
@@ -109,6 +109,15 @@ static struct spi_board_info ek_spi_devices[] = {
 #endif
 };
 
+static struct i2c_board_info __initdata ek_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("ics1523", 0x26),
+	},
+	{
+		I2C_BOARD_INFO("dac3550", 0x4d),
+	}
+};
+
 #define EK_FLASH_BASE	AT91_CHIPSELECT_0
 #define EK_FLASH_SIZE	0x200000
 
diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c
index f65baa95986..d5f6ea14fc7 100644
--- a/arch/arm/mach-omap1/board-fsample.c
+++ b/arch/arm/mach-omap1/board-fsample.c
@@ -40,31 +40,29 @@ static int fsample_keymap[] = {
 	KEY(0,1,KEY_RIGHT),
 	KEY(0,2,KEY_LEFT),
 	KEY(0,3,KEY_DOWN),
-	KEY(0,4,KEY_CENTER),
-	KEY(0,5,KEY_0_5),
-	KEY(1,0,KEY_SOFT2),
+	KEY(0,4,KEY_ENTER),
+	KEY(1,0,KEY_F10),
 	KEY(1,1,KEY_SEND),
 	KEY(1,2,KEY_END),
 	KEY(1,3,KEY_VOLUMEDOWN),
 	KEY(1,4,KEY_VOLUMEUP),
 	KEY(1,5,KEY_RECORD),
-	KEY(2,0,KEY_SOFT1),
+	KEY(2,0,KEY_F9),
 	KEY(2,1,KEY_3),
 	KEY(2,2,KEY_6),
 	KEY(2,3,KEY_9),
-	KEY(2,4,KEY_SHARP),
-	KEY(2,5,KEY_2_5),
+	KEY(2,4,KEY_KPDOT),
 	KEY(3,0,KEY_BACK),
 	KEY(3,1,KEY_2),
 	KEY(3,2,KEY_5),
 	KEY(3,3,KEY_8),
 	KEY(3,4,KEY_0),
-	KEY(3,5,KEY_HEADSETHOOK),
+	KEY(3,5,KEY_KPSLASH),
 	KEY(4,0,KEY_HOME),
 	KEY(4,1,KEY_1),
 	KEY(4,2,KEY_4),
 	KEY(4,3,KEY_7),
-	KEY(4,4,KEY_STAR),
+	KEY(4,4,KEY_KPASTERISK),
 	KEY(4,5,KEY_POWER),
 	0
 };
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
index 22db19a5364..182a98a9df4 100644
--- a/arch/arm/mach-omap1/board-nokia770.c
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -36,8 +36,6 @@
 #include <asm/arch/omapfb.h>
 #include <asm/arch/lcd_mipid.h>
 
-#include "../plat-omap/dsp/dsp_common.h"
-
 #define ADS7846_PENDOWN_GPIO	15
 
 static void __init omap_nokia770_init_irq(void)
@@ -318,6 +316,8 @@ static __init int omap_dsp_init(void)
  out:
 	return ret;
 }
+#else
+#define omap_dsp_init()		do {} while (0)
 #endif	/* CONFIG_OMAP_DSP */
 
 static void __init omap_nokia770_init(void)
diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c
index 1d5c8d50972..e44437e10ee 100644
--- a/arch/arm/mach-omap1/board-perseus2.c
+++ b/arch/arm/mach-omap1/board-perseus2.c
@@ -39,31 +39,29 @@ static int p2_keymap[] = {
 	KEY(0,1,KEY_RIGHT),
 	KEY(0,2,KEY_LEFT),
 	KEY(0,3,KEY_DOWN),
-	KEY(0,4,KEY_CENTER),
-	KEY(0,5,KEY_0_5),
-	KEY(1,0,KEY_SOFT2),
+	KEY(0,4,KEY_ENTER),
+	KEY(1,0,KEY_F10),
 	KEY(1,1,KEY_SEND),
 	KEY(1,2,KEY_END),
 	KEY(1,3,KEY_VOLUMEDOWN),
 	KEY(1,4,KEY_VOLUMEUP),
 	KEY(1,5,KEY_RECORD),
-	KEY(2,0,KEY_SOFT1),
+	KEY(2,0,KEY_F9),
 	KEY(2,1,KEY_3),
 	KEY(2,2,KEY_6),
 	KEY(2,3,KEY_9),
-	KEY(2,4,KEY_SHARP),
-	KEY(2,5,KEY_2_5),
+	KEY(2,4,KEY_KPDOT),
 	KEY(3,0,KEY_BACK),
 	KEY(3,1,KEY_2),
 	KEY(3,2,KEY_5),
 	KEY(3,3,KEY_8),
 	KEY(3,4,KEY_0),
-	KEY(3,5,KEY_HEADSETHOOK),
+	KEY(3,5,KEY_KPSLASH),
 	KEY(4,0,KEY_HOME),
 	KEY(4,1,KEY_1),
 	KEY(4,2,KEY_4),
 	KEY(4,3,KEY_7),
-	KEY(4,4,KEY_STAR),
+	KEY(4,4,KEY_KPASTERISK),
 	KEY(4,5,KEY_POWER),
 	0
 };
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index dcd81f8d083..9732d5d9466 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -178,13 +178,19 @@ static void pxa25x_cpu_pm_save(unsigned long *sleep_save)
 	SAVE(GAFR1_L); SAVE(GAFR1_U);
 	SAVE(GAFR2_L); SAVE(GAFR2_U);
 
-	SAVE(ICMR);
+	SAVE(ICMR); ICMR = 0;
 	SAVE(CKEN);
 	SAVE(PSTR);
+
+	/* Clear GPIO transition detect bits */
+	GEDR0 = GEDR0; GEDR1 = GEDR1; GEDR2 = GEDR2;
 }
 
 static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
 {
+	/* ensure not to come back here if it wasn't intended */
+	PSPR = 0;
+
 	/* restore registers */
 	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
 	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
@@ -195,7 +201,12 @@ static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
 	RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
 	RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
 
+	PSSR = PSSR_RDH | PSSR_PH;
+
 	RESTORE(CKEN);
+
+	ICLR = 0;
+	ICCR = 1;
 	RESTORE(ICMR);
 	RESTORE(PSTR);
 }
diff --git a/arch/arm/mach-pxa/sleep.S b/arch/arm/mach-pxa/sleep.S
index aff71fec618..d0447723b73 100644
--- a/arch/arm/mach-pxa/sleep.S
+++ b/arch/arm/mach-pxa/sleep.S
@@ -43,11 +43,11 @@ pxa_cpu_save_cp:
 pxa_cpu_save_sp:
 	@ preserve phys address of stack
 	mov	r0, sp
-	mov	r2, lr
+	str	lr, [sp, #-4]!
 	bl	sleep_phys_sp
 	ldr	r1, =sleep_save_sp
 	str	r0, [r1]
-	mov	pc, r2
+	ldr	pc, [sp], #4
 
 /*
  * pxa27x_cpu_suspend()
@@ -270,5 +270,3 @@ resume_after_mmu:
 	mar	acc0, r2, r3
 #endif
 	ldmfd	sp!, {r4 - r12, pc}		@ return to caller
-
-
diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h
index 54a2ad6d9ca..791d0238c68 100644
--- a/arch/arm/vfp/vfp.h
+++ b/arch/arm/vfp/vfp.h
@@ -361,10 +361,12 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
  *  OP_SCALAR - this operation always operates in scalar mode
  *  OP_SD - the instruction exceptionally writes to a single precision result.
  *  OP_DD - the instruction exceptionally writes to a double precision result.
+ *  OP_SM - the instruction exceptionally reads from a single precision operand.
  */
 #define OP_SCALAR	(1 << 0)
 #define OP_SD		(1 << 1)
 #define OP_DD		(1 << 1)
+#define OP_SM		(1 << 2)
 
 struct op {
 	u32 (* const fn)(int dd, int dn, int dm, u32 fpscr);
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 190a09ad18e..6cac43bd1d8 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -668,8 +668,8 @@ static struct op fops_ext[32] = {
 	[FEXT_TO_IDX(FEXT_FCMPZ)]	= { vfp_double_fcmpz,  OP_SCALAR },
 	[FEXT_TO_IDX(FEXT_FCMPEZ)]	= { vfp_double_fcmpez, OP_SCALAR },
 	[FEXT_TO_IDX(FEXT_FCVT)]	= { vfp_double_fcvts,  OP_SCALAR|OP_SD },
-	[FEXT_TO_IDX(FEXT_FUITO)]	= { vfp_double_fuito,  OP_SCALAR },
-	[FEXT_TO_IDX(FEXT_FSITO)]	= { vfp_double_fsito,  OP_SCALAR },
+	[FEXT_TO_IDX(FEXT_FUITO)]	= { vfp_double_fuito,  OP_SCALAR|OP_SM },
+	[FEXT_TO_IDX(FEXT_FSITO)]	= { vfp_double_fsito,  OP_SCALAR|OP_SM },
 	[FEXT_TO_IDX(FEXT_FTOUI)]	= { vfp_double_ftoui,  OP_SCALAR|OP_SD },
 	[FEXT_TO_IDX(FEXT_FTOUIZ)]	= { vfp_double_ftouiz, OP_SCALAR|OP_SD },
 	[FEXT_TO_IDX(FEXT_FTOSI)]	= { vfp_double_ftosi,  OP_SCALAR|OP_SD },
@@ -1128,7 +1128,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
 	u32 exceptions = 0;
 	unsigned int dest;
 	unsigned int dn = vfp_get_dn(inst);
-	unsigned int dm = vfp_get_dm(inst);
+	unsigned int dm;
 	unsigned int vecitr, veclen, vecstride;
 	struct op *fop;
 
@@ -1146,6 +1146,14 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
 		dest = vfp_get_dd(inst);
 
 	/*
+	 * f[us]ito takes a sN operand, not a dN operand.
+	 */
+	if (fop->flags & OP_SM)
+		dm = vfp_get_sm(inst);
+	else
+		dm = vfp_get_dm(inst);
+
+	/*
 	 * If destination bank is zero, vector length is always '1'.
 	 * ARM DDI0100F C5.1.3, C5.3.2.
 	 */
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 2a3a7ea5958..25232ba0811 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -65,6 +65,10 @@ config GENERIC_CALIBRATE_DELAY
 	bool
 	default y
 
+config HARDWARE_PM
+	def_bool y
+	depends on OPROFILE
+
 source "init/Kconfig"
 source "kernel/Kconfig.preempt"
 
diff --git a/arch/cris/arch-v10/drivers/ds1302.c b/arch/cris/arch-v10/drivers/ds1302.c
index 88eff7f54ea..1d1936a1813 100644
--- a/arch/cris/arch-v10/drivers/ds1302.c
+++ b/arch/cris/arch-v10/drivers/ds1302.c
@@ -6,136 +6,9 @@
 *!
 *! Functions exported: ds1302_readreg, ds1302_writereg, ds1302_init
 *!
-*! $Log: ds1302.c,v $
-*! Revision 1.18  2005/01/24 09:11:26  mikaelam
-*! Minor changes to get DS1302 RTC chip driver to work
-*!
-*! Revision 1.17  2005/01/05 06:11:22  starvik
-*! No need to do local_irq_disable after local_irq_save.
-*!
-*! Revision 1.16  2004/12/13 12:21:52  starvik
-*! Added I/O and DMA allocators from Linux 2.4
-*!
-*! Revision 1.14  2004/08/24 06:48:43  starvik
-*! Whitespace cleanup
-*!
-*! Revision 1.13  2004/05/28 09:26:59  starvik
-*! Modified I2C initialization to work in 2.6.
-*!
-*! Revision 1.12  2004/05/14 07:58:03  starvik
-*! Merge of changes from 2.4
-*!
-*! Revision 1.10  2004/02/04 09:25:12  starvik
-*! Merge of Linux 2.6.2
-*!
-*! Revision 1.9  2003/07/04 08:27:37  starvik
-*! Merge of Linux 2.5.74
-*!
-*! Revision 1.8  2003/04/09 05:20:47  starvik
-*! Merge of Linux 2.5.67
-*!
-*! Revision 1.6  2003/01/09 14:42:51  starvik
-*! Merge of Linux 2.5.55
-*!
-*! Revision 1.4  2002/12/11 13:13:57  starvik
-*! Added arch/ to v10 specific includes
-*! Added fix from Linux 2.4 in serial.c (flush_to_flip_buffer)
-*!
-*! Revision 1.3  2002/11/20 11:56:10  starvik
-*! Merge of Linux 2.5.48
-*!
-*! Revision 1.2  2002/11/18 13:16:06  starvik
-*! Linux 2.5 port of latest 2.4 drivers
-*!
-*! Revision 1.15  2002/10/11 16:14:33  johana
-*! Added CONFIG_ETRAX_DS1302_TRICKLE_CHARGE and initial setting of the
-*! trcklecharge register.
-*!
-*! Revision 1.14  2002/10/10 12:15:38  magnusmn
-*! Added support for having the RST signal on bit g0
-*!
-*! Revision 1.13  2002/05/29 15:16:08  johana
-*! Removed unused variables.
-*!
-*! Revision 1.12  2002/04/10 15:35:25  johana
-*! Moved probe function closer to init function and marked it __init.
-*!
-*! Revision 1.11  2001/06/14 12:35:52  jonashg
-*! The ATA hack is back. It is unfortunately the only way to set g27 to output.
-*!
-*! Revision 1.9  2001/06/14 10:00:14  jonashg
-*! No need for tempudelay to be inline anymore (had to adjust the usec to
-*! loops conversion because of this to make it slow enough to be a udelay).
-*!
-*! Revision 1.8  2001/06/14 08:06:32  jonashg
-*! Made tempudelay delay usecs (well, just a tad more).
-*!
-*! Revision 1.7  2001/06/13 14:18:11  jonashg
-*! Only allow processes with SYS_TIME capability to set time and charge.
-*!
-*! Revision 1.6  2001/06/12 15:22:07  jonashg
-*! * Made init function __init.
-*! * Parameter to out_byte() is unsigned char.
-*! * The magic number 42 has got a name.
-*! * Removed comment about /proc (nothing is exported there).
-*!
-*! Revision 1.5  2001/06/12 14:35:13  jonashg
-*! Gave the module a name and added it to printk's.
-*!
-*! Revision 1.4  2001/05/31 14:53:40  jonashg
-*! Made tempudelay() inline so that the watchdog doesn't reset (see
-*! function comment).
-*!
-*! Revision 1.3  2001/03/26 16:03:06  bjornw
-*! Needs linux/config.h
-*!
-*! Revision 1.2  2001/03/20 19:42:00  bjornw
-*! Use the ETRAX prefix on the DS1302 options
-*!
-*! Revision 1.1  2001/03/20 09:13:50  magnusmn
-*! Linux 2.4 port
-*!
-*! Revision 1.10  2000/07/05 15:38:23  bjornw
-*! Dont update kernel time when a RTC_SET_TIME is done
-*!
-*! Revision 1.9  2000/03/02 15:42:59  macce
-*! * Hack to make RTC work on all 2100/2400
-*!
-*! Revision 1.8  2000/02/23 16:59:18  torbjore
-*! added setup of R_GEN_CONFIG when RTC is connected to the generic port.
-*!
-*! Revision 1.7  2000/01/17 15:51:43  johana
-*! Added RTC_SET_CHARGE ioctl to enable trickle charger.
-*!
-*! Revision 1.6  1999/10/27 13:19:47  bjornw
-*! Added update_xtime_from_cmos which reads back the updated RTC into the kernel.
-*! /dev/rtc calls it now.
-*!
-*! Revision 1.5  1999/10/27 12:39:37  bjornw
-*! Disabled superuser check. Anyone can now set the time.
-*!
-*! Revision 1.4  1999/09/02 13:27:46  pkj
-*! Added shadow for R_PORT_PB_CONFIG.
-*! Renamed port_g_shadow to port_g_data_shadow.
-*!
-*! Revision 1.3  1999/09/02 08:28:06  pkj
-*! Made it possible to select either port PB or the generic port for the RST
-*! signal line to the DS1302 RTC.
-*! Also make sure the RST bit is configured as output on Port PB (if used).
-*!
-*! Revision 1.2  1999/09/01 14:47:20  bjornw
-*! Added support for /dev/rtc operations with ioctl RD_TIME and SET_TIME to read
-*! and set the date. Register as major 121.
-*!
-*! Revision 1.1  1999/09/01 09:45:29  bjornw
-*! Implemented a DS1302 RTC driver.
-*!
-*!
 *! ---------------------------------------------------------------------------
 *!
-*! (C) Copyright 1999, 2000, 2001, 2002, 2003, 2004  Axis Communications AB, LUND, SWEDEN
-*!
-*! $Id: ds1302.c,v 1.18 2005/01/24 09:11:26 mikaelam Exp $
+*! (C) Copyright 1999-2007 Axis Communications AB, LUND, SWEDEN
 *!
 *!***************************************************************************/
 
@@ -156,6 +29,8 @@
 #include <asm/rtc.h>
 #include <asm/arch/io_interface_mux.h>
 
+#include "i2c.h"
+
 #define RTC_MAJOR_NR 121 /* local major, change later */
 
 static const char ds1302_name[] = "ds1302";
diff --git a/arch/cris/arch-v10/kernel/io_interface_mux.c b/arch/cris/arch-v10/kernel/io_interface_mux.c
index 3a9114e89ed..f3b327d4ed9 100644
--- a/arch/cris/arch-v10/kernel/io_interface_mux.c
+++ b/arch/cris/arch-v10/kernel/io_interface_mux.c
@@ -392,6 +392,7 @@ int cris_request_io_interface(enum cris_io_interface ioif, const char *device_id
 	if (((interfaces[ioif].gpio_g_in & gpio_in_pins) != interfaces[ioif].gpio_g_in) ||
 	    ((interfaces[ioif].gpio_g_out & gpio_out_pins) != interfaces[ioif].gpio_g_out) ||
 	    ((interfaces[ioif].gpio_b & gpio_pb_pins) != interfaces[ioif].gpio_b)) {
+		local_irq_restore(flags);
 		printk(KERN_CRIT "cris_request_io_interface: Could not get required pins for interface %u\n",
 		       ioif);
 		return -EBUSY;
diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c
index 41d4a5f9328..b6be705c2a3 100644
--- a/arch/cris/arch-v10/kernel/signal.c
+++ b/arch/cris/arch-v10/kernel/signal.c
@@ -7,7 +7,7 @@
  *
  *  Ideas also taken from arch/arm.
  *
- *  Copyright (C) 2000, 2001 Axis Communications AB
+ *  Copyright (C) 2000-2007 Axis Communications AB
  *
  *  Authors:  Bjorn Wesen (bjornw@axis.com)
  *
@@ -40,84 +40,30 @@
  */
 #define RESTART_CRIS_SYS(regs) regs->r10 = regs->orig_r10; regs->irp -= 2;
 
-int do_signal(int canrestart, sigset_t *oldset, struct pt_regs *regs);
+void do_signal(int canrestart, struct pt_regs *regs);
 
 /*
- * Atomically swap in the new signal mask, and wait for a signal.  Define 
+ * Atomically swap in the new signal mask, and wait for a signal.  Define
  * dummy arguments to be able to reach the regs argument.  (Note that this
  * arrangement relies on old_sigset_t occupying one register.)
  */
-int
-sys_sigsuspend(old_sigset_t mask, long r11, long r12, long r13, long mof, 
-               long srp, struct pt_regs *regs)
+int sys_sigsuspend(old_sigset_t mask, long r11, long r12, long r13, long mof,
+	long srp, struct pt_regs *regs)
 {
-	sigset_t saveset;
-
 	mask &= _BLOCKABLE;
 	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
+	current->saved_sigmask = current->blocked;
 	siginitset(&current->blocked, mask);
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
-
-	regs->r10 = -EINTR;
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		if (do_signal(0, &saveset, regs))
-			/* We will get here twice: once to call the signal
-			   handler, then again to return from the
-			   sigsuspend system call.  When calling the
-			   signal handler, R10 holds the signal number as
-			   set through do_signal.  The sigsuspend call
-			   will return with the restored value set above;
-			   always -EINTR.  */
-			return regs->r10;
-	}
+	current->state = TASK_INTERRUPTIBLE;
+	schedule();
+	set_thread_flag(TIF_RESTORE_SIGMASK);
+	return -ERESTARTNOHAND;
 }
 
-/* Define dummy arguments to be able to reach the regs argument.  (Note that
- * this arrangement relies on size_t occupying one register.)
- */
-int
-sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize, long r12, long r13, 
-                  long mof, long srp, struct pt_regs *regs)
-{
-	sigset_t saveset, newset;
-
-	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (sigsetsize != sizeof(sigset_t))
-		return -EINVAL;
-
-	if (copy_from_user(&newset, unewset, sizeof(newset)))
-		return -EFAULT;
-	sigdelsetmask(&newset, ~_BLOCKABLE);
-
-	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
-	current->blocked = newset;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-
-	regs->r10 = -EINTR;
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		if (do_signal(0, &saveset, regs))
-			/* We will get here twice: once to call the signal
-			   handler, then again to return from the
-			   sigsuspend system call.  When calling the
-			   signal handler, R10 holds the signal number as
-			   set through do_signal.  The sigsuspend call
-			   will return with the restored value set above;
-			   always -EINTR.  */
-			return regs->r10;
-	}
-}
-
-int 
-sys_sigaction(int sig, const struct old_sigaction __user *act,
-	      struct old_sigaction *oact)
+int sys_sigaction(int sig, const struct old_sigaction __user *act,
+	struct old_sigaction *oact)
 {
 	struct k_sigaction new_ka, old_ka;
 	int ret;
@@ -147,8 +93,7 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
 	return ret;
 }
 
-int
-sys_sigaltstack(const stack_t *uss, stack_t __user *uoss)
+int sys_sigaltstack(const stack_t *uss, stack_t __user *uoss)
 {
 	return do_sigaltstack(uss, uoss, rdusp());
 }
@@ -205,7 +150,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
 
 	/* TODO: the other ports use regs->orig_XX to disable syscall checks
 	 * after this completes, but we don't use that mechanism. maybe we can
-	 * use it now ? 
+	 * use it now ?
 	 */
 
 	return err;
@@ -216,7 +161,7 @@ badframe:
 
 /* Define dummy arguments to be able to reach the regs argument.  */
 
-asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof, 
+asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof,
                              long srp, struct pt_regs *regs)
 {
 	struct sigframe __user *frame = (struct sigframe *)rdusp();
@@ -243,7 +188,7 @@ asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof,
 	current->blocked = set;
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
-	
+
 	if (restore_sigcontext(regs, &frame->sc))
 		goto badframe;
 
@@ -254,11 +199,11 @@ asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof,
 badframe:
 	force_sig(SIGSEGV, current);
 	return 0;
-}	
+}
 
 /* Define dummy arguments to be able to reach the regs argument.  */
 
-asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, 
+asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13,
                                 long mof, long srp, struct pt_regs *regs)
 {
 	struct rt_sigframe __user *frame = (struct rt_sigframe *)rdusp();
@@ -282,7 +227,7 @@ asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13,
 	current->blocked = set;
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
-	
+
 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
 		goto badframe;
 
@@ -294,14 +239,14 @@ asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13,
 badframe:
 	force_sig(SIGSEGV, current);
 	return 0;
-}	
+}
 
 /*
  * Set up a signal frame.
  */
 
-static int
-setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, unsigned long mask)
+static int setup_sigcontext(struct sigcontext __user *sc,
+	struct pt_regs *regs, unsigned long mask)
 {
 	int err = 0;
 	unsigned long usp = rdusp();
@@ -324,10 +269,11 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, unsigned lo
 	return err;
 }
 
-/* figure out where we want to put the new signal frame - usually on the stack */
+/* Figure out where we want to put the new signal frame
+ * - usually on the stack. */
 
 static inline void __user *
-get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
+get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
 {
 	unsigned long sp = rdusp();
 
@@ -345,15 +291,15 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
 }
 
 /* grab and setup a signal frame.
- * 
+ *
  * basically we stack a lot of state info, and arrange for the
  * user-mode program to return to the kernel using either a
  * trampoline which performs the syscall sigreturn, or a provided
  * user-mode trampoline.
  */
 
-static void setup_frame(int sig, struct k_sigaction *ka,
-			sigset_t *set, struct pt_regs * regs)
+static int setup_frame(int sig, struct k_sigaction *ka,
+		       sigset_t *set, struct pt_regs *regs)
 {
 	struct sigframe __user *frame;
 	unsigned long return_ip;
@@ -401,14 +347,15 @@ static void setup_frame(int sig, struct k_sigaction *ka,
 
 	wrusp((unsigned long)frame);
 
-	return;
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
+	return -EFAULT;
 }
 
-static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
-			   sigset_t *set, struct pt_regs * regs)
+static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+	sigset_t *set, struct pt_regs *regs)
 {
 	struct rt_sigframe __user *frame;
 	unsigned long return_ip;
@@ -443,9 +390,10 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 		/* trampoline - the desired return ip is the retcode itself */
 		return_ip = (unsigned long)&frame->retcode;
 		/* This is movu.w __NR_rt_sigreturn, r9; break 13; */
-		err |= __put_user(0x9c5f,            (short __user*)(frame->retcode+0));
-		err |= __put_user(__NR_rt_sigreturn, (short __user*)(frame->retcode+2));
-		err |= __put_user(0xe93d,            (short __user*)(frame->retcode+4));
+		err |= __put_user(0x9c5f, (short __user *)(frame->retcode+0));
+		err |= __put_user(__NR_rt_sigreturn,
+			(short __user *)(frame->retcode+2));
+		err |= __put_user(0xe93d, (short __user *)(frame->retcode+4));
 	}
 
 	if (err)
@@ -455,73 +403,81 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 
 	/* Set up registers for signal handler */
 
-	regs->irp = (unsigned long) ka->sa.sa_handler;  /* what we enter NOW   */
-	regs->srp = return_ip;                          /* what we enter LATER */
-	regs->r10 = sig;                                /* first argument is signo */
-        regs->r11 = (unsigned long) &frame->info;       /* second argument is (siginfo_t *) */
-        regs->r12 = 0;                                  /* third argument is unused */
-
-	/* actually move the usp to reflect the stacked frame */
-
+	/* What we enter NOW   */
+	regs->irp = (unsigned long) ka->sa.sa_handler;
+	/* What we enter LATER */
+	regs->srp = return_ip;
+	/* First argument is signo */
+	regs->r10 = sig;
+	/* Second argument is (siginfo_t *) */
+	regs->r11 = (unsigned long)&frame->info;
+	/* Third argument is unused */
+	regs->r12 = 0;
+
+	/* Actually move the usp to reflect the stacked frame */
 	wrusp((unsigned long)frame);
 
-	return;
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
+	return -EFAULT;
 }
 
 /*
  * OK, we're invoking a handler
- */	
+ */
 
-static inline void
-handle_signal(int canrestart, unsigned long sig,
-	      siginfo_t *info, struct k_sigaction *ka,
-              sigset_t *oldset, struct pt_regs * regs)
+static inline int handle_signal(int canrestart, unsigned long sig,
+	siginfo_t *info, struct k_sigaction *ka,
+	sigset_t *oldset, struct pt_regs *regs)
 {
+	int ret;
+
 	/* Are we from a system call? */
 	if (canrestart) {
 		/* If so, check system call restarting.. */
 		switch (regs->r10) {
-			case -ERESTART_RESTARTBLOCK:
-			case -ERESTARTNOHAND:
-				/* ERESTARTNOHAND means that the syscall should only be
-				   restarted if there was no handler for the signal, and since
-				   we only get here if there is a handler, we don't restart */
+		case -ERESTART_RESTARTBLOCK:
+		case -ERESTARTNOHAND:
+			/* ERESTARTNOHAND means that the syscall should
+			 * only be restarted if there was no handler for
+			 * the signal, and since we only get here if there
+			 * is a handler, we don't restart */
+			regs->r10 = -EINTR;
+			break;
+		case -ERESTARTSYS:
+			/* ERESTARTSYS means to restart the syscall if
+			 * there is no handler or the handler was
+			 * registered with SA_RESTART */
+			if (!(ka->sa.sa_flags & SA_RESTART)) {
 				regs->r10 = -EINTR;
 				break;
-
-			case -ERESTARTSYS:
-				/* ERESTARTSYS means to restart the syscall if there is no
-				   handler or the handler was registered with SA_RESTART */
-				if (!(ka->sa.sa_flags & SA_RESTART)) {
-					regs->r10 = -EINTR;
-					break;
-				}
-			/* fallthrough */
-			case -ERESTARTNOINTR:
-				/* ERESTARTNOINTR means that the syscall should be called again
-				   after the signal handler returns. */
-				RESTART_CRIS_SYS(regs);
+			}
+		/* fallthrough */
+		case -ERESTARTNOINTR:
+			/* ERESTARTNOINTR means that the syscall should
+			 * be called again after the signal handler returns. */
+			RESTART_CRIS_SYS(regs);
 		}
 	}
 
 	/* Set up the stack frame */
 	if (ka->sa.sa_flags & SA_SIGINFO)
-		setup_rt_frame(sig, ka, info, oldset, regs);
+		ret = setup_rt_frame(sig, ka, info, oldset, regs);
 	else
-		setup_frame(sig, ka, oldset, regs);
-
-	if (ka->sa.sa_flags & SA_ONESHOT)
-		ka->sa.sa_handler = SIG_DFL;
-
-	spin_lock_irq(&current->sighand->siglock);
-	sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
-	if (!(ka->sa.sa_flags & SA_NODEFER))
-		sigaddset(&current->blocked,sig);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+		ret = setup_frame(sig, ka, oldset, regs);
+
+	if (ret == 0) {
+		spin_lock_irq(&current->sighand->siglock);
+		sigorsets(&current->blocked, &current->blocked,
+			&ka->sa.sa_mask);
+		if (!(ka->sa.sa_flags & SA_NODEFER))
+			sigaddset(&current->blocked, sig);
+		recalc_sigpending();
+		spin_unlock_irq(&current->sighand->siglock);
+	}
+	return ret;
 }
 
 /*
@@ -536,11 +492,12 @@ handle_signal(int canrestart, unsigned long sig,
  * mode below.
  */
 
-int do_signal(int canrestart, sigset_t *oldset, struct pt_regs *regs)
+void do_signal(int canrestart, struct pt_regs *regs)
 {
 	siginfo_t info;
 	int signr;
         struct k_sigaction ka;
+	sigset_t *oldset;
 
 	/*
 	 * We want the common case to go fast, which
@@ -549,16 +506,26 @@ int do_signal(int canrestart, sigset_t *oldset, struct pt_regs *regs)
 	 * if so.
 	 */
 	if (!user_mode(regs))
-		return 1;
+		return;
 
-	if (!oldset)
+	if (test_thread_flag(TIF_RESTORE_SIGMASK))
+		oldset = &current->saved_sigmask;
+	else
 		oldset = &current->blocked;
 
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 	if (signr > 0) {
 		/* Whee!  Actually deliver the signal.  */
-		handle_signal(canrestart, signr, &info, &ka, oldset, regs);
-		return 1;
+		if (handle_signal(canrestart, signr, &info, &ka,
+				oldset, regs)) {
+			/* a signal was successfully delivered; the saved
+			 * sigmask will have been stored in the signal frame,
+			 * and will be restored by sigreturn, so we can simply
+			 * clear the TIF_RESTORE_SIGMASK flag */
+			if (test_thread_flag(TIF_RESTORE_SIGMASK))
+				clear_thread_flag(TIF_RESTORE_SIGMASK);
+		}
+		return;
 	}
 
 	/* Did we come from a system call? */
@@ -569,10 +536,16 @@ int do_signal(int canrestart, sigset_t *oldset, struct pt_regs *regs)
 		    regs->r10 == -ERESTARTNOINTR) {
 			RESTART_CRIS_SYS(regs);
 		}
-		if (regs->r10 == -ERESTART_RESTARTBLOCK){
+		if (regs->r10 == -ERESTART_RESTARTBLOCK) {
 			regs->r10 = __NR_restart_syscall;
 			regs->irp -= 2;
 		}
 	}
-	return 0;
+
+	/* if there's no signal to deliver, we just put the saved sigmask
+	 * back */
+	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+		clear_thread_flag(TIF_RESTORE_SIGMASK);
+		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+	}
 }
diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c
index 5976f6199c4..9310a7b476e 100644
--- a/arch/cris/arch-v10/kernel/time.c
+++ b/arch/cris/arch-v10/kernel/time.c
@@ -13,6 +13,7 @@
 #include <linux/swap.h>
 #include <linux/sched.h>
 #include <linux/init.h>
+#include <linux/vmstat.h>
 #include <asm/arch/svinto.h>
 #include <asm/types.h>
 #include <asm/signal.h>
diff --git a/arch/cris/arch-v10/vmlinux.lds.S b/arch/cris/arch-v10/vmlinux.lds.S
index 9859d49d088..97a7876ed68 100644
--- a/arch/cris/arch-v10/vmlinux.lds.S
+++ b/arch/cris/arch-v10/vmlinux.lds.S
@@ -9,7 +9,8 @@
  */	
 
 #include <asm-generic/vmlinux.lds.h>
-		
+#include <asm/page.h>
+
 jiffies = jiffies_64;
 SECTIONS
 {
@@ -23,7 +24,7 @@ SECTIONS
 	_stext = .;
 	__stext = .;
 	.text : {
-		*(.text)
+		TEXT_TEXT
 		SCHED_TEXT
 		LOCK_TEXT
 		*(.fixup)
@@ -49,10 +50,10 @@ SECTIONS
 	__edata = . ;                 /* End of data section */
 	_edata = . ;
 
-	. = ALIGN(8192);              /* init_task and stack, must be aligned */
+	. = ALIGN(PAGE_SIZE);	/* init_task and stack, must be aligned */
   	.data.init_task : { *(.data.init_task) }
 
-  	. = ALIGN(8192);              /* Init code and data */
+	. = ALIGN(PAGE_SIZE);	/* Init code and data */
   	__init_begin = .;
 	.init.text : { 
 		   _sinittext = .;
@@ -66,13 +67,7 @@ SECTIONS
   	__setup_end = .;
   	.initcall.init : {
 		__initcall_start = .;
-		*(.initcall1.init);
-		*(.initcall2.init);
-		*(.initcall3.init);
-		*(.initcall4.init);
-		*(.initcall5.init);
-		*(.initcall6.init);
-		*(.initcall7.init);
+		INITCALLS
 		__initcall_end = .;	
 	}
 
@@ -88,16 +83,18 @@ SECTIONS
 		__initramfs_start = .;
 		*(.init.ramfs)
 		__initramfs_end = .;
-		/* We fill to the next page, so we can discard all init
-		   pages without needing to consider what payload might be
-		   appended to the kernel image.  */
-		FILL (0); 
-		. = ALIGN (8192);
 	}
 #endif
-	
 	__vmlinux_end = .;            /* last address of the physical file */
-  	__init_end = .;
+
+	/*
+	 * We fill to the next page, so we can discard all init
+	 * pages without needing to consider what payload might be
+	 * appended to the kernel image.
+	 */
+	. = ALIGN(PAGE_SIZE);
+
+	__init_end = .;
 
 	__data_end = . ;              /* Move to _edata ? */
 	__bss_start = .;              /* BSS */
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 2173de9fe91..f6a1aeb742b 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -1488,16 +1488,19 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
 	      case LDFA_OP:
 	      case LDFCCLR_OP:
 	      case LDFCNC_OP:
-	      case LDF_IMM_OP:
-	      case LDFA_IMM_OP:
-	      case LDFCCLR_IMM_OP:
-	      case LDFCNC_IMM_OP:
 		if (u.insn.x)
 			ret = emulate_load_floatpair(ifa, u.insn, regs);
 		else
 			ret = emulate_load_float(ifa, u.insn, regs);
 		break;
 
+	      case LDF_IMM_OP:
+	      case LDFA_IMM_OP:
+	      case LDFCCLR_IMM_OP:
+	      case LDFCNC_IMM_OP:
+		ret = emulate_load_float(ifa, u.insn, regs);
+		break;
+
 	      case STF_OP:
 	      case STF_IMM_OP:
 		ret = emulate_store_float(ifa, u.insn, regs);
diff --git a/arch/ia64/sn/kernel/xp_nofault.S b/arch/ia64/sn/kernel/xp_nofault.S
index 54e8973b6e9..98e7c7dbfdd 100644
--- a/arch/ia64/sn/kernel/xp_nofault.S
+++ b/arch/ia64/sn/kernel/xp_nofault.S
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2004-2005 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2004-2007 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
 
@@ -14,6 +14,11 @@
  * PIO read fails, the MCA handler will force the error to look
  * corrected and vector to the xp_error_PIOR which will return an error.
  *
+ * The definition of "consumption" and the time it takes for an MCA
+ * to surface is processor implementation specific.  This code
+ * is sufficient on Itanium through the Montvale processor family.
+ * It may need to be adjusted for future processor implementations.
+ *
  *	extern int xp_nofault_PIOR(void *remote_register);
  */
 
@@ -22,11 +27,10 @@ xp_nofault_PIOR:
 	mov	r8=r0			// Stage a success return value
 	ld8.acq	r9=[r32];;		// PIO Read the specified register
 	adds	r9=1,r9;;		// Add to force consumption
-	or	r9=r9,r9;;		// Or to force consumption
+	srlz.i;;			// Allow time for MCA to surface
 	br.ret.sptk.many b0;;		// Return success
 
 	.global xp_error_PIOR
 xp_error_PIOR:
 	mov	r8=1			// Return value of 1
 	br.ret.sptk.many b0;;		// Return failure
-
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index c6fc405a6c8..b22c043b6ef 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -59,6 +59,8 @@ config BCM47XX
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SSB
 	select SSB_DRIVER_MIPS
+	select SSB_DRIVER_EXTIF
+	select SSB_PCICORE_HOSTMODE if PCI
 	select GENERIC_GPIO
 	select SYS_HAS_EARLY_PRINTK
 	select CFE
@@ -992,8 +994,6 @@ config BOOT_ELF64
 
 menu "CPU selection"
 
-source "kernel/time/Kconfig"
-
 choice
 	prompt "CPU type"
 	default CPU_R4X00
@@ -1768,6 +1768,8 @@ config NR_CPUS
 	  performance should round up your number of processors to the next
 	  power of two.
 
+source "kernel/time/Kconfig"
+
 #
 # Timer Interrupt Frequency Configuration
 #
diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c
index 6fa70a36a25..ce771487567 100644
--- a/arch/mips/au1000/common/pci.c
+++ b/arch/mips/au1000/common/pci.c
@@ -1,8 +1,8 @@
 /*
  * BRIEF MODULE DESCRIPTION
- *	Alchemy/AMD Au1x00 pci support.
+ *	Alchemy/AMD Au1x00 PCI support.
  *
- * Copyright 2001,2002,2003 MontaVista Software Inc.
+ * Copyright 2001-2003, 2007 MontaVista Software Inc.
  * Author: MontaVista Software, Inc.
  *         	ppopov@mvista.com or source@mvista.com
  *
@@ -66,6 +66,8 @@ static unsigned long virt_io_addr;
 
 static int __init au1x_pci_setup(void)
 {
+	extern void au1x_pci_cfg_init(void);
+
 #if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550)
 	virt_io_addr = (unsigned long)ioremap(Au1500_PCI_IO_START,
 			Au1500_PCI_IO_END - Au1500_PCI_IO_START + 1);
@@ -94,6 +96,8 @@ static int __init au1x_pci_setup(void)
 	set_io_port_base(virt_io_addr);
 #endif
 
+	au1x_pci_cfg_init();
+
 	register_pci_controller(&au1x_controller);
 	return 0;
 }
diff --git a/arch/mips/cobalt/console.c b/arch/mips/cobalt/console.c
index db330e81102..d1ba701c9dd 100644
--- a/arch/mips/cobalt/console.c
+++ b/arch/mips/cobalt/console.c
@@ -4,10 +4,15 @@
 #include <linux/io.h>
 #include <linux/serial_reg.h>
 
+#include <cobalt.h>
+
 #define UART_BASE	((void __iomem *)CKSEG1ADDR(0x1c800000))
 
 void prom_putchar(char c)
 {
+	if (cobalt_board_id <= COBALT_BRD_ID_QUBE1)
+		return;
+
 	while (!(readb(UART_BASE + UART_LSR) & UART_LSR_THRE))
 		;
 
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index 23676873106..50be56c9e9e 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -136,7 +136,8 @@ EXPORT(_stext)
 	 * kernel load address.  This is needed because this platform does
 	 * not have a ELF loader yet.
 	 */
-	__INIT
+FEXPORT(__kernel_entry)
+	j	kernel_entry
 #endif
 
 	__INIT_REFOK
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 7f6ddcb5d48..f8a535afce3 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -269,7 +269,7 @@ static void __init bootmem_init(void)
 
 static void __init bootmem_init(void)
 {
-	unsigned long init_begin, reserved_end;
+	unsigned long reserved_end;
 	unsigned long mapstart = ~0UL;
 	unsigned long bootmap_size;
 	int i;
@@ -344,7 +344,6 @@ static void __init bootmem_init(void)
 					 min_low_pfn, max_low_pfn);
 
 
-	init_begin = PFN_UP(__pa_symbol(&__init_begin));
 	for (i = 0; i < boot_mem_map.nr_map; i++) {
 		unsigned long start, end;
 
@@ -352,8 +351,8 @@ static void __init bootmem_init(void)
 		end = PFN_DOWN(boot_mem_map.map[i].addr
 				+ boot_mem_map.map[i].size);
 
-		if (start <= init_begin)
-			start = init_begin;
+		if (start <= min_low_pfn)
+			start = min_low_pfn;
 		if (start >= end)
 			continue;
 
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 1ecfbb7eba6..2995be1ab3c 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -147,9 +147,9 @@ static __init int cpu_has_mfc0_count_bug(void)
 			return 1;
 
 		/*
-		 * I don't have erratas for newer R4400 so be paranoid.
+		 * we assume newer revisions are ok
 		 */
-		return 1;
+		return 0;
 	}
 
 	return 0;
diff --git a/arch/mips/lasat/image/Makefile b/arch/mips/lasat/image/Makefile
index 5332449ec04..460626b6d62 100644
--- a/arch/mips/lasat/image/Makefile
+++ b/arch/mips/lasat/image/Makefile
@@ -12,11 +12,11 @@ endif
 
 MKLASATIMG = mklasatimg
 MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200
-KERNEL_IMAGE = $(TOPDIR)/vmlinux
+KERNEL_IMAGE = vmlinux
 KERNEL_START = $(shell $(NM) $(KERNEL_IMAGE) | grep " _text" | cut -f1 -d\ )
 KERNEL_ENTRY = $(shell $(NM) $(KERNEL_IMAGE) | grep kernel_entry | cut -f1 -d\ )
 
-LDSCRIPT= -L$(obj) -Tromscript.normal
+LDSCRIPT= -L$(srctree)/$(src) -Tromscript.normal
 
 HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \
 		-D_kernel_entry=0x$(KERNEL_ENTRY) \
@@ -24,7 +24,7 @@ HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \
 		-D TIMESTAMP=$(shell date +%s)
 
 $(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
-	$(CC) -fno-pic $(HEAD_DEFINES) -I$(TOPDIR)/include -c -o $@ $<
+	$(CC) -fno-pic $(HEAD_DEFINES) $(LINUXINCLUDE) -c -o $@ $<
 
 OBJECTS = head.o kImage.o
 
diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c
index 2c5c27c8e86..dc272c18823 100644
--- a/arch/mips/mips-boards/generic/memory.c
+++ b/arch/mips/mips-boards/generic/memory.c
@@ -169,7 +169,6 @@ void __init prom_meminit(void)
 
 void __init prom_free_prom_memory(void)
 {
-#if 0 /* for now ...  */
 	unsigned long addr;
 	int i;
 
@@ -181,5 +180,4 @@ void __init prom_free_prom_memory(void)
 		free_init_pages("prom memory",
 				addr, addr + boot_mem_map.map[i].size);
 	}
-#endif
 }
diff --git a/arch/mips/mips-boards/generic/reset.c b/arch/mips/mips-boards/generic/reset.c
index 7a1bb51f81e..583d468d98a 100644
--- a/arch/mips/mips-boards/generic/reset.c
+++ b/arch/mips/mips-boards/generic/reset.c
@@ -39,16 +39,18 @@ static void atlas_machine_power_off(void);
 
 static void mips_machine_restart(char *command)
 {
-	unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
+	unsigned int __iomem *softres_reg =
+		ioremap(SOFTRES_REG, sizeof(unsigned int));
 
-	writew(GORESET, softres_reg);
+	__raw_writel(GORESET, softres_reg);
 }
 
 static void mips_machine_halt(void)
 {
-        unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
+	unsigned int __iomem *softres_reg =
+		ioremap(SOFTRES_REG, sizeof(unsigned int));
 
-	writew(GORESET, softres_reg);
+	__raw_writel(GORESET, softres_reg);
 }
 
 #if defined(CONFIG_MIPS_ATLAS)
diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c
index 9a2636e5624..bc43a5c2224 100644
--- a/arch/mips/mips-boards/malta/malta_setup.c
+++ b/arch/mips/mips-boards/malta/malta_setup.c
@@ -149,7 +149,7 @@ void __init plat_mem_setup(void)
 	/* Check PCI clock */
 	{
 		unsigned int __iomem *jmpr_p = (unsigned int *) ioremap(MALTA_JMPRS_REG, sizeof(unsigned int));
-		int jmpr = (readw(jmpr_p) >> 2) & 0x07;
+		int jmpr = (__raw_readl(jmpr_p) >> 2) & 0x07;
 		static const int pciclocks[] __initdata = {
 			33, 20, 25, 30, 12, 16, 37, 10
 		};
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index ae76795685c..810535dd091 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -45,7 +45,7 @@ static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp)
 	/* ignore region specifiers */
 	gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM);
 
-#ifdef CONFIG_ZONE_DMA32
+#ifdef CONFIG_ZONE_DMA
 	if (dev == NULL)
 		gfp |= __GFP_DMA;
 	else if (dev->coherent_dma_mask < DMA_BIT_MASK(24))
diff --git a/arch/mips/pci/fixup-cobalt.c b/arch/mips/pci/fixup-cobalt.c
index f7df1142912..9553b14002d 100644
--- a/arch/mips/pci/fixup-cobalt.c
+++ b/arch/mips/pci/fixup-cobalt.c
@@ -177,7 +177,7 @@ static char irq_tab_raq2[] __initdata = {
 
 int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
-	if (cobalt_board_id < COBALT_BRD_ID_QUBE2)
+	if (cobalt_board_id <= COBALT_BRD_ID_QUBE1)
 		return irq_tab_qube1[slot];
 
 	if (cobalt_board_id == COBALT_BRD_ID_RAQ2)
diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c
index 6b29904acf4..1314bd58f03 100644
--- a/arch/mips/pci/ops-au1000.c
+++ b/arch/mips/pci/ops-au1000.c
@@ -1,8 +1,8 @@
 /*
  * BRIEF MODULE DESCRIPTION
- *	Alchemy/AMD Au1x00 pci support.
+ *	Alchemy/AMD Au1x00 PCI support.
  *
- * Copyright 2001,2002,2003 MontaVista Software Inc.
+ * Copyright 2001-2003, 2007 MontaVista Software Inc.
  * Author: MontaVista Software, Inc.
  *         	ppopov@mvista.com or source@mvista.com
  *
@@ -69,10 +69,27 @@ void mod_wired_entry(int entry, unsigned long entrylo0,
 	write_c0_pagemask(old_pagemask);
 }
 
-struct vm_struct *pci_cfg_vm;
+static struct vm_struct *pci_cfg_vm;
 static int pci_cfg_wired_entry;
-static int first_cfg = 1;
-unsigned long last_entryLo0, last_entryLo1;
+static unsigned long last_entryLo0, last_entryLo1;
+
+/*
+ * We can't ioremap the entire pci config space because it's too large.
+ * Nor can we call ioremap dynamically because some device drivers use
+ * the PCI config routines from within interrupt handlers and that
+ * becomes a problem in get_vm_area().  We use one wired TLB to handle
+ * all config accesses for all busses.
+ */
+void __init au1x_pci_cfg_init(void)
+{
+	/* Reserve a wired entry for PCI config accesses */
+	pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP);
+	if (!pci_cfg_vm)
+		panic(KERN_ERR "PCI unable to get vm area\n");
+	pci_cfg_wired_entry = read_c0_wired();
+	add_wired_entry(0, 0, (unsigned long)pci_cfg_vm->addr, PM_4K);
+	last_entryLo0 = last_entryLo1 = 0xffffffff;
+}
 
 static int config_access(unsigned char access_type, struct pci_bus *bus,
 			 unsigned int dev_fn, unsigned char where,
@@ -97,27 +114,6 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
 			Au1500_PCI_STATCMD);
 	au_sync_udelay(1);
 
-	/*
-	 * We can't ioremap the entire pci config space because it's
-	 * too large. Nor can we call ioremap dynamically because some
-	 * device drivers use the pci config routines from within
-	 * interrupt handlers and that becomes a problem in get_vm_area().
-	 * We use one wired tlb to handle all config accesses for all
-	 * busses. To improve performance, if the current device
-	 * is the same as the last device accessed, we don't touch the
-	 * tlb.
-	 */
-	if (first_cfg) {
-		/* reserve a wired entry for pci config accesses */
-		first_cfg = 0;
-		pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP);
-		if (!pci_cfg_vm)
-			panic(KERN_ERR "PCI unable to get vm area\n");
-		pci_cfg_wired_entry = read_c0_wired();
-		add_wired_entry(0, 0, (unsigned long)pci_cfg_vm->addr, PM_4K);
-		last_entryLo0  = last_entryLo1 = 0xffffffff;
-	}
-
 	/* Allow board vendors to implement their own off-chip idsel.
 	 * If it doesn't succeed, may as well bail out at this point.
 	 */
@@ -144,9 +140,12 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
 	/* page boundary */
 	cfg_base = cfg_base & PAGE_MASK;
 
+	/*
+	 * To improve performance, if the current device is the same as
+	 * the last device accessed, we don't touch the TLB.
+	 */
 	entryLo0 = (6 << 26)  | (cfg_base >> 6) | (2 << 3) | 7;
 	entryLo1 = (6 << 26)  | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7;
-
 	if ((entryLo0 != last_entryLo0) || (entryLo1 != last_entryLo1)) {
 		mod_wired_entry(pci_cfg_wired_entry, entryLo0, entryLo1,
 				(unsigned long)pci_cfg_vm->addr, PM_4K);
diff --git a/arch/mips/pci/ops-mace.c b/arch/mips/pci/ops-mace.c
index fe545144930..e95881897ec 100644
--- a/arch/mips/pci/ops-mace.c
+++ b/arch/mips/pci/ops-mace.c
@@ -42,6 +42,10 @@ static int
 mace_pci_read_config(struct pci_bus *bus, unsigned int devfn,
 		     int reg, int size, u32 *val)
 {
+	u32 control = mace->pci.control;
+
+	/* disable master aborts interrupts during config read */
+	mace->pci.control = control & ~MACEPCI_CONTROL_MAR_INT;
 	mace->pci.config_addr = mkaddr(bus, devfn, reg);
 	switch (size) {
 	case 1:
@@ -54,6 +58,9 @@ mace_pci_read_config(struct pci_bus *bus, unsigned int devfn,
 		*val = mace->pci.config_data.l;
 		break;
 	}
+	/* ack possible master abort */
+	mace->pci.error &= ~MACEPCI_ERROR_MASTER_ABORT;
+	mace->pci.control = control;
 
 	DPRINTK("read%d: reg=%08x,val=%02x\n", size * 8, reg, *val);
 
diff --git a/arch/mips/pci/pci-ip32.c b/arch/mips/pci/pci-ip32.c
index 618ea7dbc47..532b561b444 100644
--- a/arch/mips/pci/pci-ip32.c
+++ b/arch/mips/pci/pci-ip32.c
@@ -119,6 +119,7 @@ static struct pci_controller mace_pci_controller = {
 	.iommu		= 0,
 	.mem_offset	= MACE_PCI_MEM_OFFSET,
 	.io_offset	= 0,
+	.io_map_base	= CKSEG1ADDR(MACEPCI_LOW_IO),
 };
 
 static int __init mace_init(void)
@@ -135,7 +136,8 @@ static int __init mace_init(void)
 	BUG_ON(request_irq(MACE_PCI_BRIDGE_IRQ, macepci_error, 0,
 			   "MACE PCI error", NULL));
 
-	iomem_resource = mace_pci_mem_resource;
+	/* extend memory resources */
+	iomem_resource.end = mace_pci_mem_resource.end;
 	ioport_resource = mace_pci_io_resource;
 
 	register_pci_controller(&mace_pci_controller);
diff --git a/arch/mips/philips/pnx8550/common/time.c b/arch/mips/philips/pnx8550/common/time.c
index e818fd0f158..6d494e0de3d 100644
--- a/arch/mips/philips/pnx8550/common/time.c
+++ b/arch/mips/philips/pnx8550/common/time.c
@@ -22,7 +22,6 @@
 #include <linux/kernel_stat.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
-#include <linux/module.h>
 
 #include <asm/bootinfo.h>
 #include <asm/cpu.h>
@@ -41,11 +40,60 @@ static cycle_t hpt_read(void)
 	return read_c0_count2();
 }
 
+static struct clocksource pnx_clocksource = {
+	.name		= "pnx8xxx",
+	.rating		= 200,
+	.read		= hpt_read,
+	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
 static void timer_ack(void)
 {
 	write_c0_compare(cpj);
 }
 
+static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id)
+{
+	struct clock_event_device *c = dev_id;
+
+	/* clear MATCH, signal the event */
+	c->event_handler(c);
+
+	return IRQ_HANDLED;
+}
+
+static struct irqaction pnx8xxx_timer_irq = {
+	.handler	= pnx8xxx_timer_interrupt,
+	.flags		= IRQF_DISABLED | IRQF_PERCPU,
+	.name		= "pnx8xxx_timer",
+};
+
+static irqreturn_t monotonic_interrupt(int irq, void *dev_id)
+{
+	/* Timer 2 clear interrupt */
+	write_c0_compare2(-1);
+	return IRQ_HANDLED;
+}
+
+static struct irqaction monotonic_irqaction = {
+	.handler = monotonic_interrupt,
+	.flags = IRQF_DISABLED,
+	.name = "Monotonic timer",
+};
+
+static int pnx8xxx_set_next_event(unsigned long delta,
+				struct clock_event_device *evt)
+{
+	write_c0_compare(delta);
+	return 0;
+}
+
+static struct clock_event_device pnx8xxx_clockevent = {
+	.name		= "pnx8xxx_clockevent",
+	.features	= CLOCK_EVT_FEAT_ONESHOT,
+	.set_next_event = pnx8xxx_set_next_event,
+};
+
 /*
  * plat_time_init() - it does the following things:
  *
@@ -58,11 +106,34 @@ static void timer_ack(void)
 
 __init void plat_time_init(void)
 {
+	unsigned int             configPR;
 	unsigned int             n;
 	unsigned int             m;
 	unsigned int             p;
 	unsigned int             pow2p;
 
+	clockevents_register_device(&pnx8xxx_clockevent);
+	clocksource_register(&pnx_clocksource);
+
+	setup_irq(PNX8550_INT_TIMER1, &pnx8xxx_timer_irq);
+	setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction);
+
+	/* Timer 1 start */
+	configPR = read_c0_config7();
+	configPR &= ~0x00000008;
+	write_c0_config7(configPR);
+
+	/* Timer 2 start */
+	configPR = read_c0_config7();
+	configPR &= ~0x00000010;
+	write_c0_config7(configPR);
+
+	/* Timer 3 stop */
+	configPR = read_c0_config7();
+	configPR |= 0x00000020;
+	write_c0_config7(configPR);
+
+
         /* PLL0 sets MIPS clock (PLL1 <=> TM1, PLL6 <=> TM2, PLL5 <=> mem) */
         /* (but only if CLK_MIPS_CTL select value [bits 3:1] is 1:  FIXME) */
 
@@ -87,42 +158,6 @@ __init void plat_time_init(void)
 	write_c0_count2(0);
 	write_c0_compare2(0xffffffff);
 
-	clocksource_mips.read = hpt_read;
-	mips_timer_ack = timer_ack;
-}
-
-static irqreturn_t monotonic_interrupt(int irq, void *dev_id)
-{
-	/* Timer 2 clear interrupt */
-	write_c0_compare2(-1);
-	return IRQ_HANDLED;
 }
 
-static struct irqaction monotonic_irqaction = {
-	.handler = monotonic_interrupt,
-	.flags = IRQF_DISABLED,
-	.name = "Monotonic timer",
-};
 
-void __init plat_timer_setup(struct irqaction *irq)
-{
-	int configPR;
-
-	setup_irq(PNX8550_INT_TIMER1, irq);
-	setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction);
-
-	/* Timer 1 start */
-	configPR = read_c0_config7();
-	configPR &= ~0x00000008;
-	write_c0_config7(configPR);
-
-	/* Timer 2 start */
-	configPR = read_c0_config7();
-	configPR &= ~0x00000010;
-	write_c0_config7(configPR);
-
-	/* Timer 3 stop */
-	configPR = read_c0_config7();
-	configPR |= 0x00000020;
-	write_c0_config7(configPR);
-}
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index cab7cc22ab6..b0ea0e43ba4 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -426,7 +426,6 @@ static void ip32_irq0(void)
 
 	crime_int = crime->istat & crime_mask;
 	irq = MACE_VID_IN1_IRQ + __ffs(crime_int);
-	crime_int = 1 << irq;
 
 	if (crime_int & CRIME_MACEISA_INT_MASK) {
 		unsigned long mace_int = mace->perif.ctrl.istat;
diff --git a/arch/mips/sgi-ip32/ip32-platform.c b/arch/mips/sgi-ip32/ip32-platform.c
index 77febd68fcd..89a71f49b69 100644
--- a/arch/mips/sgi-ip32/ip32-platform.c
+++ b/arch/mips/sgi-ip32/ip32-platform.c
@@ -13,21 +13,22 @@
 #include <asm/ip32/mace.h>
 #include <asm/ip32/ip32_ints.h>
 
-/*
- * .iobase isn't a constant (in the sense of C) so we fill it in at runtime.
- */
-#define MACE_PORT(int)							\
+#define MACEISA_SERIAL1_OFFS   offsetof(struct sgi_mace, isa.serial1)
+#define MACEISA_SERIAL2_OFFS   offsetof(struct sgi_mace, isa.serial2)
+
+#define MACE_PORT(offset,_irq)						\
 {									\
-	.irq		= int,						\
+	.mapbase	= MACE_BASE + offset,				\
+	.irq		= _irq,						\
 	.uartclk	= 1843200,					\
 	.iotype		= UPIO_MEM,					\
-	.flags		= UPF_SKIP_TEST,				\
+	.flags		= UPF_SKIP_TEST|UPF_IOREMAP,			\
 	.regshift	= 8,						\
 }
 
 static struct plat_serial8250_port uart8250_data[] = {
-	MACE_PORT(MACEISA_SERIAL1_IRQ),
-	MACE_PORT(MACEISA_SERIAL2_IRQ),
+	MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ),
+	MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ),
 	{ },
 };
 
@@ -41,9 +42,6 @@ static struct platform_device uart8250_device = {
 
 static int __init uart8250_init(void)
 {
-	uart8250_data[0].membase = (void __iomem *) &mace->isa.serial1;
-	uart8250_data[1].membase = (void __iomem *) &mace->isa.serial2;
-
 	return platform_device_register(&uart8250_device);
 }
 
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
index 4a8152375ef..632e5d20135 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
@@ -598,8 +598,8 @@ static int __init rbtx4938_ethaddr_init(void)
 			printk(KERN_WARNING "seeprom: bad checksum.\n");
 	}
 	for (i = 0; i < 2; i++) {
-		unsigned int slot = TX4938_PCIC_IDSEL_AD_TO_SLOT(31 - i);
-		unsigned int id = (1 << 8) | PCI_DEVFN(slot, 0); /* bus 1 */
+		unsigned int id =
+			TXX9_IRQ_BASE + (i ? TX4938_IR_ETH1 : TX4938_IR_ETH0);
 		struct platform_device *pdev;
 		if (!(tx4938_ccfgptr->pcfg &
 		      (i ? TX4938_PCFG_ETH1_SEL : TX4938_PCFG_ETH0_SEL)))
diff --git a/arch/powerpc/boot/flatdevtree_env.h b/arch/powerpc/boot/flatdevtree_env.h
index ad0420da892..66e0ebb1a36 100644
--- a/arch/powerpc/boot/flatdevtree_env.h
+++ b/arch/powerpc/boot/flatdevtree_env.h
@@ -2,7 +2,7 @@
  * This file adds the header file glue so that the shared files
  * flatdevicetree.[ch] can compile and work in the powerpc bootwrapper.
  *
- * strncmp & strchr copied from <file:lib/strings.c>
+ * strncmp & strchr copied from <file:lib/string.c>
  * Copyright (C) 1991, 1992  Linus Torvalds
  *
  * Maintained by: Mark A. Greer <mgreer@mvista.com>
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 47c3fe55242..a3c406aca66 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -278,6 +278,7 @@ int iommu_map_sg(struct iommu_table *tbl, struct scatterlist *sglist,
 	unsigned long flags;
 	struct scatterlist *s, *outs, *segstart;
 	int outcount, incount, i;
+	unsigned int align;
 	unsigned long handle;
 
 	BUG_ON(direction == DMA_NONE);
@@ -309,7 +310,12 @@ int iommu_map_sg(struct iommu_table *tbl, struct scatterlist *sglist,
 		/* Allocate iommu entries for that segment */
 		vaddr = (unsigned long) sg_virt(s);
 		npages = iommu_num_pages(vaddr, slen);
-		entry = iommu_range_alloc(tbl, npages, &handle, mask >> IOMMU_PAGE_SHIFT, 0);
+		align = 0;
+		if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && slen >= PAGE_SIZE &&
+		    (vaddr & ~PAGE_MASK) == 0)
+			align = PAGE_SHIFT - IOMMU_PAGE_SHIFT;
+		entry = iommu_range_alloc(tbl, npages, &handle,
+					  mask >> IOMMU_PAGE_SHIFT, align);
 
 		DBG("  - vaddr: %lx, size: %lx\n", vaddr, slen);
 
@@ -570,7 +576,7 @@ dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr,
 {
 	dma_addr_t dma_handle = DMA_ERROR_CODE;
 	unsigned long uaddr;
-	unsigned int npages;
+	unsigned int npages, align;
 
 	BUG_ON(direction == DMA_NONE);
 
@@ -578,8 +584,13 @@ dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr,
 	npages = iommu_num_pages(uaddr, size);
 
 	if (tbl) {
+		align = 0;
+		if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && size >= PAGE_SIZE &&
+		    ((unsigned long)vaddr & ~PAGE_MASK) == 0)
+			align = PAGE_SHIFT - IOMMU_PAGE_SHIFT;
+
 		dma_handle = iommu_alloc(tbl, vaddr, npages, direction,
-					 mask >> IOMMU_PAGE_SHIFT, 0);
+					 mask >> IOMMU_PAGE_SHIFT, align);
 		if (dma_handle == DMA_ERROR_CODE) {
 			if (printk_ratelimit())  {
 				printk(KERN_INFO "iommu_alloc failed, "
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 1add6efdb31..5d89a21dd0d 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2216,6 +2216,45 @@ static void __init fixup_device_tree_efika(void)
 			prom_printf("fixup_device_tree_efika: ",
 				"skipped entry %x - setprop error\n", i);
 	}
+
+	/* Make sure ethernet mdio bus node exists */
+	node = call_prom("finddevice", 1, 1, ADDR("/builtin/mdio"));
+	if (!PHANDLE_VALID(node)) {
+		prom_printf("Adding Ethernet MDIO node\n");
+		call_prom("interpret", 1, 1,
+			" s\" /builtin\" find-device"
+			" new-device"
+				" 1 encode-int s\" #address-cells\" property"
+				" 0 encode-int s\" #size-cells\" property"
+				" s\" mdio\" 2dup device-name device-type"
+				" s\" mpc5200b-fec-phy\" encode-string"
+				" s\" compatible\" property"
+				" 0xf0003000 0x400 reg"
+				" 0x2 encode-int"
+				" 0x5 encode-int encode+"
+				" 0x3 encode-int encode+"
+				" s\" interrupts\" property"
+			" finish-device");
+	};
+
+	/* Make sure ethernet phy device node exist */
+	node = call_prom("finddevice", 1, 1, ADDR("/builtin/mdio/ethernet-phy"));
+	if (!PHANDLE_VALID(node)) {
+		prom_printf("Adding Ethernet PHY node\n");
+		call_prom("interpret", 1, 1,
+			" s\" /builtin/mdio\" find-device"
+			" new-device"
+				" s\" ethernet-phy\" device-name"
+				" 0x10 encode-int s\" reg\" property"
+				" my-self"
+				" ihandle>phandle"
+			" finish-device"
+			" s\" /builtin/ethernet\" find-device"
+				" encode-int"
+				" s\" phy-handle\" property"
+			" device-end");
+	}
+
 }
 #else
 #define fixup_device_tree_efika()
diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c
index 3cf0802cd2b..47b06bad24a 100644
--- a/arch/powerpc/mm/slb.c
+++ b/arch/powerpc/mm/slb.c
@@ -295,6 +295,8 @@ void slb_initialize(void)
 
 	create_shadowed_slbe(VMALLOC_START, mmu_kernel_ssize, vflags, 1);
 
+	slb_shadow_clear(2);
+
 	/* We don't bolt the stack for the time being - we're in boot,
 	 * so the stack is in the bolted segment.  By the time it goes
 	 * elsewhere, we'll call _switch() which will bolt in the new
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig
index e1e2f6a4301..3a963b4a9be 100644
--- a/arch/powerpc/platforms/cell/Kconfig
+++ b/arch/powerpc/platforms/cell/Kconfig
@@ -88,3 +88,8 @@ config CBE_CPUFREQ_PMI
 	  but also at lower core voltage.
 
 endmenu
+
+config OPROFILE_CELL
+	def_bool y
+	depends on PPC_CELL_NATIVE && (OPROFILE = m || OPROFILE = y)
+
diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile
index 3cd565a04d0..c89964c6fb1 100644
--- a/arch/powerpc/platforms/cell/Makefile
+++ b/arch/powerpc/platforms/cell/Makefile
@@ -19,6 +19,7 @@ spu-manage-$(CONFIG_PPC_CELLEB)		+= spu_manage.o
 spu-manage-$(CONFIG_PPC_CELL_NATIVE)	+= spu_manage.o
 
 obj-$(CONFIG_SPU_BASE)			+= spu_callbacks.o spu_base.o \
+					   spu_notify.o \
 					   spu_syscalls.o spu_fault.o \
 					   $(spu-priv1-y) \
 					   $(spu-manage-y) \
diff --git a/arch/powerpc/platforms/cell/spu_notify.c b/arch/powerpc/platforms/cell/spu_notify.c
new file mode 100644
index 00000000000..34d156959f3
--- /dev/null
+++ b/arch/powerpc/platforms/cell/spu_notify.c
@@ -0,0 +1,67 @@
+/*
+ * Move OProfile dependencies from spufs module to the kernel so it
+ * can run on non-cell PPC.
+ *
+ * Copyright (C) IBM 2005
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#undef DEBUG
+
+#include <linux/module.h>
+#include <asm/spu.h>
+#include "spufs/spufs.h"
+
+static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier);
+
+void spu_switch_notify(struct spu *spu, struct spu_context *ctx)
+{
+	blocking_notifier_call_chain(&spu_switch_notifier,
+				     ctx ? ctx->object_id : 0, spu);
+}
+EXPORT_SYMBOL_GPL(spu_switch_notify);
+
+int spu_switch_event_register(struct notifier_block *n)
+{
+	int ret;
+	ret = blocking_notifier_chain_register(&spu_switch_notifier, n);
+	if (!ret)
+		notify_spus_active();
+	return ret;
+}
+EXPORT_SYMBOL_GPL(spu_switch_event_register);
+
+int spu_switch_event_unregister(struct notifier_block *n)
+{
+	return blocking_notifier_chain_unregister(&spu_switch_notifier, n);
+}
+EXPORT_SYMBOL_GPL(spu_switch_event_unregister);
+
+void spu_set_profile_private_kref(struct spu_context *ctx,
+				  struct kref *prof_info_kref,
+				  void (* prof_info_release) (struct kref *kref))
+{
+	ctx->prof_priv_kref = prof_info_kref;
+	ctx->prof_priv_release = prof_info_release;
+}
+EXPORT_SYMBOL_GPL(spu_set_profile_private_kref);
+
+void *spu_get_profile_private_kref(struct spu_context *ctx)
+{
+	return ctx->prof_priv_kref;
+}
+EXPORT_SYMBOL_GPL(spu_get_profile_private_kref);
+
diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c
index a9438b719fe..75530d99eda 100644
--- a/arch/powerpc/platforms/cell/spu_syscalls.c
+++ b/arch/powerpc/platforms/cell/spu_syscalls.c
@@ -145,6 +145,20 @@ int elf_coredump_extra_notes_write(struct file *file, loff_t *foffset)
 	return ret;
 }
 
+void notify_spus_active(void)
+{
+	struct spufs_calls *calls;
+
+	calls = spufs_calls_get();
+	if (!calls)
+		return;
+
+	calls->notify_spus_active();
+	spufs_calls_put(calls);
+
+	return;
+}
+
 int register_spu_syscalls(struct spufs_calls *calls)
 {
 	if (spufs_calls)
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index 237e152d31d..133995ed5cc 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -177,19 +177,3 @@ void spu_release_saved(struct spu_context *ctx)
 	spu_release(ctx);
 }
 
-void spu_set_profile_private_kref(struct spu_context *ctx,
-				  struct kref *prof_info_kref,
-				  void ( * prof_info_release) (struct kref *kref))
-{
-	ctx->prof_priv_kref = prof_info_kref;
-	ctx->prof_priv_release = prof_info_release;
-}
-EXPORT_SYMBOL_GPL(spu_set_profile_private_kref);
-
-void *spu_get_profile_private_kref(struct spu_context *ctx)
-{
-	return ctx->prof_priv_kref;
-}
-EXPORT_SYMBOL_GPL(spu_get_profile_private_kref);
-
-
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 8c8af11b35b..00d914232af 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -182,15 +182,7 @@ static int node_allowed(struct spu_context *ctx, int node)
 	return rval;
 }
 
-static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier);
-
-void spu_switch_notify(struct spu *spu, struct spu_context *ctx)
-{
-	blocking_notifier_call_chain(&spu_switch_notifier,
-			    ctx ? ctx->object_id : 0, spu);
-}
-
-static void notify_spus_active(void)
+void do_notify_spus_active(void)
 {
 	int node;
 
@@ -217,22 +209,6 @@ static void notify_spus_active(void)
 	}
 }
 
-int spu_switch_event_register(struct notifier_block * n)
-{
-	int ret;
-	ret = blocking_notifier_chain_register(&spu_switch_notifier, n);
-	if (!ret)
-		notify_spus_active();
-	return ret;
-}
-EXPORT_SYMBOL_GPL(spu_switch_event_register);
-
-int spu_switch_event_unregister(struct notifier_block * n)
-{
-	return blocking_notifier_chain_unregister(&spu_switch_notifier, n);
-}
-EXPORT_SYMBOL_GPL(spu_switch_event_unregister);
-
 /**
  * spu_bind_context - bind spu context to physical spu
  * @spu:	physical spu to bind to
diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c
index 2c34f717019..43040441317 100644
--- a/arch/powerpc/platforms/cell/spufs/syscalls.c
+++ b/arch/powerpc/platforms/cell/spufs/syscalls.c
@@ -86,5 +86,6 @@ struct spufs_calls spufs_calls = {
 	.spu_run = do_spu_run,
 	.coredump_extra_notes_size = spufs_coredump_extra_notes_size,
 	.coredump_extra_notes_write = spufs_coredump_extra_notes_write,
+	.notify_spus_active = do_notify_spus_active,
 	.owner = THIS_MODULE,
 };
diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c
index 766685ab26f..b9ea09d9d2f 100644
--- a/arch/powerpc/platforms/ps3/os-area.c
+++ b/arch/powerpc/platforms/ps3/os-area.c
@@ -23,6 +23,7 @@
 #include <linux/workqueue.h>
 #include <linux/fs.h>
 #include <linux/syscalls.h>
+#include <linux/ctype.h>
 
 #include <asm/lmb.h>
 
@@ -37,6 +38,8 @@ enum os_area_ldr_format {
 	HEADER_LDR_FORMAT_GZIP = 1,
 };
 
+#define OS_AREA_HEADER_MAGIC_NUM "cell_ext_os_area"
+
 /**
  * struct os_area_header - os area header segment.
  * @magic_num: Always 'cell_ext_os_area'.
@@ -114,13 +117,11 @@ struct os_area_params {
 	u8 _reserved_5[8];
 };
 
-enum {
-	OS_AREA_DB_MAGIC_NUM = 0x2d64622dU,
-};
+#define OS_AREA_DB_MAGIC_NUM "-db-"
 
 /**
  * struct os_area_db - Shared flash memory database.
- * @magic_num: Always '-db-' = 0x2d64622d.
+ * @magic_num: Always '-db-'.
  * @version: os_area_db format version number.
  * @index_64: byte offset of the database id index for 64 bit variables.
  * @count_64: number of usable 64 bit index entries
@@ -135,7 +136,7 @@ enum {
  */
 
 struct os_area_db {
-	u32 magic_num;
+	u8 magic_num[4];
 	u16 version;
 	u16 _reserved_1;
 	u16 index_64;
@@ -265,12 +266,26 @@ static void __init os_area_get_property(struct device_node *node,
 			prop->name);
 }
 
+static void dump_field(char *s, const u8 *field, int size_of_field)
+{
+#if defined(DEBUG)
+	int i;
+
+	for (i = 0; i < size_of_field; i++)
+		s[i] = isprint(field[i]) ? field[i] : '.';
+	s[i] = 0;
+#endif
+}
+
 #define dump_header(_a) _dump_header(_a, __func__, __LINE__)
 static void _dump_header(const struct os_area_header *h, const char *func,
 	int line)
 {
+	char str[sizeof(h->magic_num) + 1];
+
+	dump_field(str, h->magic_num, sizeof(h->magic_num));
 	pr_debug("%s:%d: h.magic_num:       '%s'\n", func, line,
-		h->magic_num);
+		str);
 	pr_debug("%s:%d: h.hdr_version:     %u\n", func, line,
 		h->hdr_version);
 	pr_debug("%s:%d: h.db_area_offset:  %u\n", func, line,
@@ -311,7 +326,8 @@ static void _dump_params(const struct os_area_params *p, const char *func,
 
 static int verify_header(const struct os_area_header *header)
 {
-	if (memcmp(header->magic_num, "cell_ext_os_area", 16)) {
+	if (memcmp(header->magic_num, OS_AREA_HEADER_MAGIC_NUM,
+		sizeof(header->magic_num))) {
 		pr_debug("%s:%d magic_num failed\n", __func__, __LINE__);
 		return -1;
 	}
@@ -331,7 +347,8 @@ static int verify_header(const struct os_area_header *header)
 
 static int db_verify(const struct os_area_db *db)
 {
-	if (db->magic_num != OS_AREA_DB_MAGIC_NUM) {
+	if (memcmp(db->magic_num, OS_AREA_DB_MAGIC_NUM,
+		sizeof(db->magic_num))) {
 		pr_debug("%s:%d magic_num failed\n", __func__, __LINE__);
 		return -1;
 	}
@@ -484,8 +501,11 @@ static int db_get_rtc_diff(const struct os_area_db *db, int64_t *rtc_diff)
 static void _dump_db(const struct os_area_db *db, const char *func,
 	int line)
 {
+	char str[sizeof(db->magic_num) + 1];
+
+	dump_field(str, db->magic_num, sizeof(db->magic_num));
 	pr_debug("%s:%d: db.magic_num:      '%s'\n", func, line,
-		(const char*)&db->magic_num);
+		str);
 	pr_debug("%s:%d: db.version:         %u\n", func, line,
 		db->version);
 	pr_debug("%s:%d: db.index_64:        %u\n", func, line,
@@ -516,7 +536,7 @@ static void os_area_db_init(struct os_area_db *db)
 
 	memset(db, 0, sizeof(struct os_area_db));
 
-	db->magic_num = OS_AREA_DB_MAGIC_NUM;
+	memcpy(db->magic_num, OS_AREA_DB_MAGIC_NUM, sizeof(db->magic_num));
 	db->version = 1;
 	db->index_64 = HEADER_SIZE;
 	db->count_64 = VALUES_64_COUNT;
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index fc48b96c81b..412e6b42986 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -29,6 +29,7 @@
 #include <asm/vdso_datapage.h>
 #include <asm/pSeries_reconfig.h>
 #include "xics.h"
+#include "plpar_wrappers.h"
 
 /* This version can't take the spinlock, because it never returns */
 static struct rtas_args rtas_stop_self_args = {
@@ -58,6 +59,7 @@ static void pseries_mach_cpu_die(void)
 	local_irq_disable();
 	idle_task_exit();
 	xics_teardown_cpu(0);
+	unregister_slb_shadow(hard_smp_processor_id(), __pa(get_slb_shadow()));
 	rtas_stop_self();
 	/* Should never get here... */
 	BUG();
diff --git a/arch/sparc/kernel/ptrace.c b/arch/sparc/kernel/ptrace.c
index fe562db475e..7452269bba2 100644
--- a/arch/sparc/kernel/ptrace.c
+++ b/arch/sparc/kernel/ptrace.c
@@ -5,7 +5,7 @@
  * Based upon code written by Ross Biro, Linus Torvalds, Bob Manson,
  * and David Mosberger.
  *
- * Added Linux support -miguel (weird, eh?, the orignal code was meant
+ * Added Linux support -miguel (weird, eh?, the original code was meant
  * to emulate SunOS).
  */
 
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 45cb7c5286d..00b393c3a4a 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -436,7 +436,14 @@ void __init time_init(void)
 
 static inline unsigned long do_gettimeoffset(void)
 {
-	return (*master_l10_counter >> 10) & 0x1fffff;
+	unsigned long val = *master_l10_counter;
+	unsigned long usec = (val >> 10) & 0x1fffff;
+
+	/* Limit hit?  */
+	if (val & 0x80000000)
+		usec += 1000000 / HZ;
+
+	return usec;
 }
 
 /* Ok, my cute asm atomicity trick doesn't work anymore.
diff --git a/arch/sparc64/kernel/ktlb.S b/arch/sparc64/kernel/ktlb.S
index 964527d2ffa..cef8defcd7a 100644
--- a/arch/sparc64/kernel/ktlb.S
+++ b/arch/sparc64/kernel/ktlb.S
@@ -1,6 +1,6 @@
 /* arch/sparc64/kernel/ktlb.S: Kernel mapping TLB miss handling.
  *
- * Copyright (C) 1995, 1997, 2005 David S. Miller <davem@davemloft.net>
+ * Copyright (C) 1995, 1997, 2005, 2008 David S. Miller <davem@davemloft.net>
  * Copyright (C) 1996 Eddie C. Dost        (ecd@brainaid.de)
  * Copyright (C) 1996 Miguel de Icaza      (miguel@nuclecu.unam.mx)
  * Copyright (C) 1996,98,99 Jakub Jelinek  (jj@sunsite.mff.cuni.cz)
@@ -226,6 +226,7 @@ kvmap_dtlb_load:
 	ba,pt		%xcc, sun4v_dtlb_load
 	 mov		%g5, %g3
 
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
 kvmap_vmemmap:
 	sub		%g4, %g5, %g5
 	srlx		%g5, 22, %g5
@@ -234,6 +235,7 @@ kvmap_vmemmap:
 	or		%g1, %lo(vmemmap_table), %g1
 	ba,pt		%xcc, kvmap_dtlb_load
 	 ldx		[%g1 + %g5], %g5
+#endif
 
 kvmap_dtlb_nonlinear:
 	/* Catch kernel NULL pointer derefs.  */
@@ -242,12 +244,14 @@ kvmap_dtlb_nonlinear:
 	bleu,pn		%xcc, kvmap_dtlb_longpath
 	 nop
 
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
 	/* Do not use the TSB for vmemmap.  */
 	mov		(VMEMMAP_BASE >> 24), %g5
 	sllx		%g5, 24, %g5
 	cmp		%g4,%g5
 	bgeu,pn		%xcc, kvmap_vmemmap
 	 nop
+#endif
 
 	KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_dtlb_load)
 
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 63b3ebc0c3c..a61c38fe75e 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -1275,4 +1275,20 @@ int pci_dma_supported(struct pci_dev *pdev, u64 device_mask)
 	return (device_mask & dma_addr_mask) == dma_addr_mask;
 }
 
+void pci_resource_to_user(const struct pci_dev *pdev, int bar,
+			  const struct resource *rp, resource_size_t *start,
+			  resource_size_t *end)
+{
+	struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
+	unsigned long offset;
+
+	if (rp->flags & IORESOURCE_IO)
+		offset = pbm->io_space.start;
+	else
+		offset = pbm->mem_space.start;
+
+	*start = rp->start - offset;
+	*end = rp->end - offset;
+}
+
 #endif /* !(CONFIG_PCI) */
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index 9546ba9f5de..e752e75cce8 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -850,7 +850,7 @@ static int pbm_routes_this_ino(struct pci_pbm_info *pbm, u32 ino)
 /* How the Tomatillo IRQs are routed around is pure guesswork here.
  *
  * All the Tomatillo devices I see in prtconf dumps seem to have only
- * a single PCI bus unit attached to it.  It would seem they are seperate
+ * a single PCI bus unit attached to it.  It would seem they are separate
  * devices because their PortID (ie. JBUS ID) values are all different
  * and thus the registers are mapped to totally different locations.
  *
diff --git a/arch/sparc64/kernel/sun4v_tlb_miss.S b/arch/sparc64/kernel/sun4v_tlb_miss.S
index 9871dbb1ab4..fd9430562e0 100644
--- a/arch/sparc64/kernel/sun4v_tlb_miss.S
+++ b/arch/sparc64/kernel/sun4v_tlb_miss.S
@@ -215,6 +215,7 @@ sun4v_itlb_error:
 
 1:	ba,pt	%xcc, etrap
 2:	 or	%g7, %lo(2b), %g7
+	mov	%l4, %o1
 	call	sun4v_itlb_error_report
 	 add	%sp, PTREGS_OFF, %o0
 
@@ -241,6 +242,7 @@ sun4v_dtlb_error:
 
 1:	ba,pt	%xcc, etrap
 2:	 or	%g7, %lo(2b), %g7
+	mov	%l4, %o1
 	call	sun4v_dtlb_error_report
 	 add	%sp, PTREGS_OFF, %o0
 
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 04998388259..2b6abf63334 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1950,6 +1950,8 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl)
 	printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n",
 	       regs->tpc, tl);
 	print_symbol(KERN_EMERG "SUN4V-ITLB: TPC<%s>\n", regs->tpc);
+	printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
+	print_symbol(KERN_EMERG "SUN4V-ITLB: O7<%s>\n", regs->u_regs[UREG_I7]);
 	printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] "
 	       "pte[%lx] error[%lx]\n",
 	       sun4v_err_itlb_vaddr, sun4v_err_itlb_ctx,
@@ -1971,6 +1973,8 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl)
 	printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n",
 	       regs->tpc, tl);
 	print_symbol(KERN_EMERG "SUN4V-DTLB: TPC<%s>\n", regs->tpc);
+	printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
+	print_symbol(KERN_EMERG "SUN4V-DTLB: O7<%s>\n", regs->u_regs[UREG_I7]);
 	printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] "
 	       "pte[%lx] error[%lx]\n",
 	       sun4v_err_dtlb_vaddr, sun4v_err_dtlb_ctx,
diff --git a/arch/um/drivers/harddog_user.c b/arch/um/drivers/harddog_user.c
index b56f8e0196a..448ba59207a 100644
--- a/arch/um/drivers/harddog_user.c
+++ b/arch/um/drivers/harddog_user.c
@@ -79,14 +79,14 @@ int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock)
 	n = read(in_fds[0], &c, sizeof(c));
 	if (n == 0) {
 		printk("harddog_open - EOF on watchdog pipe\n");
-		helper_wait(pid);
+		helper_wait(pid, 1, NULL);
 		err = -EIO;
 		goto out_close_out;
 	}
 	else if (n < 0) {
 		printk("harddog_open - read of watchdog pipe failed, "
 		       "err = %d\n", errno);
-		helper_wait(pid);
+		helper_wait(pid, 1, NULL);
 		err = n;
 		goto out_close_out;
 	}
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 17089a04102..af045ca0f65 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -2256,14 +2256,12 @@ static int __init apm_init(void)
 		apm_info.disabled = 1;
 		return -ENODEV;
 	}
-	if (PM_IS_ACTIVE()) {
+	if (pm_flags & PM_ACPI) {
 		printk(KERN_NOTICE "apm: overridden by ACPI.\n");
 		apm_info.disabled = 1;
 		return -ENODEV;
 	}
-#ifdef CONFIG_PM_LEGACY
-	pm_active = 1;
-#endif
+	pm_flags |= PM_APM;
 
 	/*
 	 * Set up a segment that references the real mode segment 0x40
@@ -2366,9 +2364,7 @@ static void __exit apm_exit(void)
 		kthread_stop(kapmd_task);
 		kapmd_task = NULL;
 	}
-#ifdef CONFIG_PM_LEGACY
-	pm_active = 0;
-#endif
+	pm_flags &= ~PM_APM;
 }
 
 module_init(apm_init);
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index ac0637a6d71..fbad51fce67 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -196,7 +196,7 @@ default_entry:
 	/* Do an early initialization of the fixmap area */
 	movl $(swapper_pg_dir - __PAGE_OFFSET), %edx
 	movl $(swapper_pg_pmd - __PAGE_OFFSET), %eax
-	addl $0x007, %eax			/* 0x007 = PRESENT+RW+USER */
+	addl $0x67, %eax			/* 0x67 == _PAGE_TABLE */
 	movl %eax, 4092(%edx)
 
 	xorl %ebx,%ebx				/* This is the boot CPU (BSP) */
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 4a86ffd67ec..2f99ee206b9 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -657,7 +657,7 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id)
 		hpet_pie_count = 0;
 	}
 
-	if (hpet_rtc_flags & RTC_PIE &&
+	if (hpet_rtc_flags & RTC_AIE &&
 	    (curr_time.tm_sec == hpet_alarm_time.tm_sec) &&
 	    (curr_time.tm_min == hpet_alarm_time.tm_min) &&
 	    (curr_time.tm_hour == hpet_alarm_time.tm_hour))
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index c3a565bba10..a6b1490e00c 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -2169,14 +2169,10 @@ static inline void __init check_timer(void)
 {
 	int apic1, pin1, apic2, pin2;
 	int vector;
-	unsigned int ver;
 	unsigned long flags;
 
 	local_irq_save(flags);
 
-	ver = apic_read(APIC_LVR);
-	ver = GET_APIC_VERSION(ver);
-
 	/*
 	 * get/set the timer IRQ vector:
 	 */
@@ -2189,15 +2185,11 @@ static inline void __init check_timer(void)
 	 * mode for the 8259A whenever interrupts are routed
 	 * through I/O APICs.  Also IRQ0 has to be enabled in
 	 * the 8259A which implies the virtual wire has to be
-	 * disabled in the local APIC.  Finally timer interrupts
-	 * need to be acknowledged manually in the 8259A for
-	 * timer_interrupt() and for the i82489DX when using
-	 * the NMI watchdog.
+	 * disabled in the local APIC.
 	 */
 	apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
 	init_8259A(1);
-	timer_ack = !cpu_has_tsc;
-	timer_ack |= (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
+	timer_ack = 1;
 	if (timer_over_8254 > 0)
 		enable_8259A_irq(0);
 
diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c
index 0ab680f2d9d..3960ab7e149 100644
--- a/arch/x86/kernel/mfgpt_32.c
+++ b/arch/x86/kernel/mfgpt_32.c
@@ -278,12 +278,12 @@ static int mfgpt_next_event(unsigned long delta, struct clock_event_device *evt)
 
 static irqreturn_t mfgpt_tick(int irq, void *dev_id)
 {
+	/* Turn off the clock (and clear the event) */
+	mfgpt_disable_timer(mfgpt_event_clock);
+
 	if (mfgpt_tick_mode == CLOCK_EVT_MODE_SHUTDOWN)
 		return IRQ_HANDLED;
 
-	/* Turn off the clock */
-	mfgpt_disable_timer(mfgpt_event_clock);
-
 	/* Clear the counter */
 	geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_COUNTER, 0);
 
@@ -319,10 +319,6 @@ static int __init mfgpt_timer_setup(void)
 	}
 
 	mfgpt_event_clock = timer;
-	/* Set the clock scale and enable the event mode for CMP2 */
-	val = MFGPT_SCALE | (3 << 8);
-
-	geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_SETUP, val);
 
 	/* Set up the IRQ on the MFGPT side */
 	if (geode_mfgpt_setup_irq(mfgpt_event_clock, MFGPT_CMP2, irq)) {
@@ -339,6 +335,11 @@ static int __init mfgpt_timer_setup(void)
 		goto err;
 	}
 
+	/* Set the clock scale and enable the event mode for CMP2 */
+	val = MFGPT_SCALE | (3 << 8);
+
+	geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_SETUP, val);
+
 	/* Set up the clock event */
 	mfgpt_clockevent.mult = div_sc(MFGPT_HZ, NSEC_PER_SEC, 32);
 	mfgpt_clockevent.min_delta_ns = clockevent_delta2ns(0xF,
diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c
index 80ca72e5ac2..852db290692 100644
--- a/arch/x86/kernel/nmi_32.c
+++ b/arch/x86/kernel/nmi_32.c
@@ -25,7 +25,6 @@
 
 #include <asm/smp.h>
 #include <asm/nmi.h>
-#include <asm/timer.h>
 
 #include "mach_traps.h"
 
@@ -84,7 +83,7 @@ static int __init check_nmi_watchdog(void)
 
 	prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL);
 	if (!prev_nmi_count)
-		goto error;
+		return -1;
 
 	printk(KERN_INFO "Testing NMI watchdog ... ");
 
@@ -119,7 +118,7 @@ static int __init check_nmi_watchdog(void)
 	if (!atomic_read(&nmi_active)) {
 		kfree(prev_nmi_count);
 		atomic_set(&nmi_active, -1);
-		goto error;
+		return -1;
 	}
 	printk("OK.\n");
 
@@ -130,10 +129,6 @@ static int __init check_nmi_watchdog(void)
 
 	kfree(prev_nmi_count);
 	return 0;
-error:
-	timer_ack = !cpu_has_tsc;
-
-	return -1;
 }
 /* This needs to happen later in boot so counters are working */
 late_initcall(check_nmi_watchdog);
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 9663c2a7483..46d391d49de 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -204,6 +204,10 @@ void cpu_idle(void)
 	}
 }
 
+static void do_nothing(void *unused)
+{
+}
+
 void cpu_idle_wait(void)
 {
 	unsigned int cpu, this_cpu = get_cpu();
@@ -228,6 +232,13 @@ void cpu_idle_wait(void)
 				cpu_clear(cpu, map);
 		}
 		cpus_and(map, map, cpu_online_map);
+		/*
+		 * We waited 1 sec, if a CPU still did not call idle
+		 * it may be because it is in idle and not waking up
+		 * because it has nothing to do.
+		 * Give all the remaining CPUS a kick.
+		 */
+		smp_call_function_mask(map, do_nothing, 0, 0);
 	} while (!cpus_empty(map));
 
 	set_cpus_allowed(current, tmp);
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 6309b275cb9..ab79e1dfa02 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -135,6 +135,10 @@ static void poll_idle (void)
 	cpu_relax();
 }
 
+static void do_nothing(void *unused)
+{
+}
+
 void cpu_idle_wait(void)
 {
 	unsigned int cpu, this_cpu = get_cpu();
@@ -160,6 +164,13 @@ void cpu_idle_wait(void)
 				cpu_clear(cpu, map);
 		}
 		cpus_and(map, map, cpu_online_map);
+		/*
+		 * We waited 1 sec, if a CPU still did not call idle
+		 * it may be because it is in idle and not waking up
+		 * because it has nothing to do.
+		 * Give all the remaining CPUS a kick.
+		 */
+		smp_call_function_mask(map, do_nothing, 0, 0);
 	} while (!cpus_empty(map));
 
 	set_cpus_allowed(current, tmp);
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index 594889521da..aaf4e129121 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -141,8 +141,8 @@ static void __cpuinit smp_store_cpu_info(int id)
 	struct cpuinfo_x86 *c = &cpu_data(id);
 
 	*c = boot_cpu_data;
-	identify_cpu(c);
 	c->cpu_index = id;
+	identify_cpu(c);
 	print_cpu_info(c);
 }
 
@@ -526,7 +526,7 @@ struct create_idle {
 	int cpu;
 };
 
-void do_fork_idle(struct work_struct *work)
+static void __cpuinit do_fork_idle(struct work_struct *work)
 {
 	struct create_idle *c_idle =
 		container_of(work, struct create_idle, work);
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index c88bbffcaa0..02d1e1e58e8 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -541,6 +541,7 @@ fastcall void do_##name(struct pt_regs * regs, long error_code) \
 	info.si_errno = 0; \
 	info.si_code = sicode; \
 	info.si_addr = (void __user *)siaddr; \
+	trace_hardirqs_fixup(); \
 	if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
 						== NOTIFY_STOP) \
 		return; \
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index d11525ad81b..cc68b92316c 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -635,6 +635,7 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
 	info.si_errno = 0; \
 	info.si_code = sicode; \
 	info.si_addr = (void __user *)siaddr; \
+	trace_hardirqs_fixup(); \
 	if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
 							== NOTIFY_STOP) \
 		return; \
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index c7d19471261..3c76d194fd2 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -321,8 +321,13 @@ extern void set_highmem_pages_init(int);
 static void __init set_highmem_pages_init(int bad_ppro)
 {
 	int pfn;
-	for (pfn = highstart_pfn; pfn < highend_pfn; pfn++)
-		add_one_highpage_init(pfn_to_page(pfn), pfn, bad_ppro);
+	for (pfn = highstart_pfn; pfn < highend_pfn; pfn++) {
+		/*
+		 * Holes under sparsemem might not have no mem_map[]:
+		 */
+		if (pfn_valid(pfn))
+			add_one_highpage_init(pfn_to_page(pfn), pfn, bad_ppro);
+	}
 	totalram_pages += totalhigh_pages;
 }
 #endif /* CONFIG_FLATMEM */
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 2d0eeac7251..944bbcdd2b8 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -380,7 +380,7 @@ static int __init ppro_init(char ** cpu_type)
 
 	if (cpu_model == 14)
 		*cpu_type = "i386/core";
-	else if (cpu_model == 15)
+	else if (cpu_model == 15 || cpu_model == 23)
 		*cpu_type = "i386/core_2";
 	else if (cpu_model > 0xd)
 		return 0;