114 files changed, 1106 insertions, 650 deletions

diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index a322012f16ac..4b2ea1e95c57 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1406,202 +1406,6 @@
 #define OSCC_OON        (1 << 1)        /* 32.768kHz OON (write-once only bit) */
 #define OSCC_OOK        (1 << 0)        /* 32.768kHz OOK (read-only bit) */
 
-
-/*
- * LCD
- */
-
-#define LCCR0           __REG(0x44000000)  /* LCD Controller Control Register 0 */
-#define LCCR1           __REG(0x44000004)  /* LCD Controller Control Register 1 */
-#define LCCR2           __REG(0x44000008)  /* LCD Controller Control Register 2 */
-#define LCCR3           __REG(0x4400000C)  /* LCD Controller Control Register 3 */
-#define LCCR4           __REG(0x44000010)  /* LCD Controller Control Register 3 */
-#define DFBR0           __REG(0x44000020)  /* DMA Channel 0 Frame Branch Register */
-#define DFBR1           __REG(0x44000024)  /* DMA Channel 1 Frame Branch Register */
-#define LCSR            __REG(0x44000038)  /* LCD Controller Status Register */
-#define LIIDR           __REG(0x4400003C)  /* LCD Controller Interrupt ID Register */
-#define TMEDRGBR        __REG(0x44000040)  /* TMED RGB Seed Register */
-#define TMEDCR          __REG(0x44000044)  /* TMED Control Register */
-
-#define LCCR3_1BPP (0 << 24)
-#define LCCR3_2BPP (1 << 24)
-#define LCCR3_4BPP (2 << 24)
-#define LCCR3_8BPP (3 << 24)
-#define LCCR3_16BPP (4 << 24)
-
-#define LCCR3_PDFOR_0 (0 << 30)
-#define LCCR3_PDFOR_1 (1 << 30)
-#define LCCR3_PDFOR_2 (2 << 30)
-#define LCCR3_PDFOR_3 (3 << 30)
-
-#define LCCR4_PAL_FOR_0 (0 << 15)
-#define LCCR4_PAL_FOR_1 (1 << 15)
-#define LCCR4_PAL_FOR_2 (2 << 15)
-#define LCCR4_PAL_FOR_MASK (3 << 15)
-
-#define FDADR0          __REG(0x44000200)  /* DMA Channel 0 Frame Descriptor Address Register */
-#define FSADR0          __REG(0x44000204)  /* DMA Channel 0 Frame Source Address Register */
-#define FIDR0           __REG(0x44000208)  /* DMA Channel 0 Frame ID Register */
-#define LDCMD0          __REG(0x4400020C)  /* DMA Channel 0 Command Register */
-#define FDADR1          __REG(0x44000210)  /* DMA Channel 1 Frame Descriptor Address Register */
-#define FSADR1          __REG(0x44000214)  /* DMA Channel 1 Frame Source Address Register */
-#define FIDR1           __REG(0x44000218)  /* DMA Channel 1 Frame ID Register */
-#define LDCMD1          __REG(0x4400021C)  /* DMA Channel 1 Command Register */
-
-#define LCCR0_ENB       (1 << 0)        /* LCD Controller enable */
-#define LCCR0_CMS       (1 << 1)        /* Color/Monochrome Display Select */
-#define LCCR0_Color     (LCCR0_CMS*0)   /*  Color display                  */
-#define LCCR0_Mono      (LCCR0_CMS*1)   /*  Monochrome display             */
-#define LCCR0_SDS       (1 << 2)        /* Single/Dual Panel Display       */
-                                        /* Select                          */
-#define LCCR0_Sngl      (LCCR0_SDS*0)   /*  Single panel display           */
-#define LCCR0_Dual      (LCCR0_SDS*1)   /*  Dual panel display             */
-
-#define LCCR0_LDM       (1 << 3)        /* LCD Disable Done Mask */
-#define LCCR0_SFM       (1 << 4)        /* Start of frame mask */
-#define LCCR0_IUM       (1 << 5)        /* Input FIFO underrun mask */
-#define LCCR0_EFM       (1 << 6)        /* End of Frame mask */
-#define LCCR0_PAS       (1 << 7)        /* Passive/Active display Select   */
-#define LCCR0_Pas       (LCCR0_PAS*0)   /*  Passive display (STN)          */
-#define LCCR0_Act       (LCCR0_PAS*1)   /*  Active display (TFT)           */
-#define LCCR0_DPD       (1 << 9)        /* Double Pixel Data (monochrome   */
-                                        /* display mode)                   */
-#define LCCR0_4PixMono  (LCCR0_DPD*0)   /*  4-Pixel/clock Monochrome       */
-                                        /*  display                        */
-#define LCCR0_8PixMono  (LCCR0_DPD*1)   /*  8-Pixel/clock Monochrome       */
-                                        /*  display                        */
-#define LCCR0_DIS       (1 << 10)       /* LCD Disable */
-#define LCCR0_QDM       (1 << 11)       /* LCD Quick Disable mask */
-#define LCCR0_PDD       (0xff << 12)    /* Palette DMA request delay */
-#define LCCR0_PDD_S     12
-#define LCCR0_BM        (1 << 20)       /* Branch mask */
-#define LCCR0_OUM       (1 << 21)       /* Output FIFO underrun mask */
-#define LCCR0_LCDT      (1 << 22)       /* LCD panel type */
-#define LCCR0_RDSTM     (1 << 23)       /* Read status interrupt mask */
-#define LCCR0_CMDIM     (1 << 24)       /* Command interrupt mask */
-#define LCCR0_OUC       (1 << 25)       /* Overlay Underlay control bit */
-#define LCCR0_LDDALT    (1 << 26)       /* LDD alternate mapping control */
-
-#define LCCR1_PPL       Fld (10, 0)      /* Pixels Per Line - 1 */
-#define LCCR1_DisWdth(Pixel)            /* Display Width [1..800 pix.]  */ \
-                        (((Pixel) - 1) << FShft (LCCR1_PPL))
-
-#define LCCR1_HSW       Fld (6, 10)     /* Horizontal Synchronization     */
-#define LCCR1_HorSnchWdth(Tpix)         /* Horizontal Synchronization     */ \
-                                        /* pulse Width [1..64 Tpix]       */ \
-                        (((Tpix) - 1) << FShft (LCCR1_HSW))
-
-#define LCCR1_ELW       Fld (8, 16)     /* End-of-Line pixel clock Wait    */
-                                        /* count - 1 [Tpix]                */
-#define LCCR1_EndLnDel(Tpix)            /*  End-of-Line Delay              */ \
-                                        /*  [1..256 Tpix]                  */ \
-                        (((Tpix) - 1) << FShft (LCCR1_ELW))
-
-#define LCCR1_BLW       Fld (8, 24)     /* Beginning-of-Line pixel clock   */
-                                        /* Wait count - 1 [Tpix]           */
-#define LCCR1_BegLnDel(Tpix)            /*  Beginning-of-Line Delay        */ \
-                                        /*  [1..256 Tpix]                  */ \
-                        (((Tpix) - 1) << FShft (LCCR1_BLW))
-
-
-#define LCCR2_LPP       Fld (10, 0)     /* Line Per Panel - 1              */
-#define LCCR2_DisHght(Line)             /*  Display Height [1..1024 lines] */ \
-                        (((Line) - 1) << FShft (LCCR2_LPP))
-
-#define LCCR2_VSW       Fld (6, 10)     /* Vertical Synchronization pulse  */
-                                        /* Width - 1 [Tln] (L_FCLK)        */
-#define LCCR2_VrtSnchWdth(Tln)          /*  Vertical Synchronization pulse */ \
-                                        /*  Width [1..64 Tln]              */ \
-                        (((Tln) - 1) << FShft (LCCR2_VSW))
-
-#define LCCR2_EFW       Fld (8, 16)     /* End-of-Frame line clock Wait    */
-                                        /* count [Tln]                     */
-#define LCCR2_EndFrmDel(Tln)            /*  End-of-Frame Delay             */ \
-                                        /*  [0..255 Tln]                   */ \
-                        ((Tln) << FShft (LCCR2_EFW))
-
-#define LCCR2_BFW       Fld (8, 24)     /* Beginning-of-Frame line clock   */
-                                        /* Wait count [Tln]                */
-#define LCCR2_BegFrmDel(Tln)            /*  Beginning-of-Frame Delay       */ \
-                                        /*  [0..255 Tln]                   */ \
-                        ((Tln) << FShft (LCCR2_BFW))
-
-#if 0
-#define LCCR3_PCD       (0xff)          /* Pixel clock divisor */
-#define LCCR3_ACB       (0xff << 8)     /* AC Bias pin frequency */
-#define LCCR3_ACB_S     8
-#endif
-
-#define LCCR3_API       (0xf << 16)     /* AC Bias pin trasitions per interrupt */
-#define LCCR3_API_S     16
-#define LCCR3_VSP       (1 << 20)       /* vertical sync polarity */
-#define LCCR3_HSP       (1 << 21)       /* horizontal sync polarity */
-#define LCCR3_PCP       (1 << 22)       /* Pixel Clock Polarity (L_PCLK)   */
-#define LCCR3_PixRsEdg  (LCCR3_PCP*0)   /*  Pixel clock Rising-Edge        */
-#define LCCR3_PixFlEdg  (LCCR3_PCP*1)   /*  Pixel clock Falling-Edge       */
-
-#define LCCR3_OEP       (1 << 23)       /* Output Enable Polarity (L_BIAS, */
-                                        /* active display mode)            */
-#define LCCR3_OutEnH    (LCCR3_OEP*0)   /*  Output Enable active High      */
-#define LCCR3_OutEnL    (LCCR3_OEP*1)   /*  Output Enable active Low       */
-
-#if 0
-#define LCCR3_BPP       (7 << 24)       /* bits per pixel */
-#define LCCR3_BPP_S     24
-#endif
-#define LCCR3_DPC       (1 << 27)       /* double pixel clock mode */
-
-
-#define LCCR3_PCD       Fld (8, 0)      /* Pixel Clock Divisor */
-#define LCCR3_PixClkDiv(Div)            /* Pixel Clock Divisor */ \
-                        (((Div) << FShft (LCCR3_PCD)))
-
-
-#define LCCR3_BPP       Fld (3, 24)     /* Bit Per Pixel */
-#define LCCR3_Bpp(Bpp)                  /* Bit Per Pixel */ \
-                        (((Bpp) << FShft (LCCR3_BPP)))
-
-#define LCCR3_ACB       Fld (8, 8)      /* AC Bias */
-#define LCCR3_Acb(Acb)                  /* BAC Bias */ \
-                        (((Acb) << FShft (LCCR3_ACB)))
-
-#define LCCR3_HorSnchH  (LCCR3_HSP*0)   /*  Horizontal Synchronization     */
-                                        /*  pulse active High              */
-#define LCCR3_HorSnchL  (LCCR3_HSP*1)   /*  Horizontal Synchronization     */
-
-#define LCCR3_VrtSnchH  (LCCR3_VSP*0)   /*  Vertical Synchronization pulse */
-                                        /*  active High                    */
-#define LCCR3_VrtSnchL  (LCCR3_VSP*1)   /*  Vertical Synchronization pulse */
-                                        /*  active Low                     */
-
-#define LCSR_LDD        (1 << 0)        /* LCD Disable Done */
-#define LCSR_SOF        (1 << 1)        /* Start of frame */
-#define LCSR_BER        (1 << 2)        /* Bus error */
-#define LCSR_ABC        (1 << 3)        /* AC Bias count */
-#define LCSR_IUL        (1 << 4)        /* input FIFO underrun Lower panel */
-#define LCSR_IUU        (1 << 5)        /* input FIFO underrun Upper panel */
-#define LCSR_OU         (1 << 6)        /* output FIFO underrun */
-#define LCSR_QD         (1 << 7)        /* quick disable */
-#define LCSR_EOF        (1 << 8)        /* end of frame */
-#define LCSR_BS         (1 << 9)        /* branch status */
-#define LCSR_SINT       (1 << 10)       /* subsequent interrupt */
-
-#define LDCMD_PAL       (1 << 26)       /* instructs DMA to load palette buffer */
-
-#define LCSR_LDD        (1 << 0)        /* LCD Disable Done */
-#define LCSR_SOF        (1 << 1)        /* Start of frame */
-#define LCSR_BER        (1 << 2)        /* Bus error */
-#define LCSR_ABC        (1 << 3)        /* AC Bias count */
-#define LCSR_IUL        (1 << 4)        /* input FIFO underrun Lower panel */
-#define LCSR_IUU        (1 << 5)        /* input FIFO underrun Upper panel */
-#define LCSR_OU         (1 << 6)        /* output FIFO underrun */
-#define LCSR_QD         (1 << 7)        /* quick disable */
-#define LCSR_EOF        (1 << 8)        /* end of frame */
-#define LCSR_BS         (1 << 9)        /* branch status */
-#define LCSR_SINT       (1 << 10)       /* subsequent interrupt */
-
-#define LDCMD_PAL       (1 << 26)       /* instructs DMA to load palette buffer */
-
 #ifdef CONFIG_PXA27x
 
 /* Camera Interface */
diff --git a/include/asm-arm/arch-pxa/pxafb.h b/include/asm-arm/arch-pxa/pxafb.h
index ea2336aa70e4..bbd22396841a 100644
--- a/include/asm-arm/arch-pxa/pxafb.h
+++ b/include/asm-arm/arch-pxa/pxafb.h
@@ -13,6 +13,50 @@
  */
 
 #include <linux/fb.h>
+#include <asm/arch/regs-lcd.h>
+
+/*
+ * Supported LCD connections
+ *
+ * bits 0 - 3: for LCD panel type:
+ *
+ *   STN  - for passive matrix
+ *   DSTN - for dual scan passive matrix
+ *   TFT  - for active matrix
+ *
+ * bits 4 - 9 : for bus width
+ * bits 10-17 : for AC Bias Pin Frequency
+ * bit     18 : for output enable polarity
+ * bit     19 : for pixel clock edge
+ */
+#define LCD_CONN_TYPE(_x)       ((_x) & 0x0f)
+#define LCD_CONN_WIDTH(_x)      (((_x) >> 4) & 0x1f)
+
+#define LCD_TYPE_UNKNOWN        0
+#define LCD_TYPE_MONO_STN       1
+#define LCD_TYPE_MONO_DSTN      2
+#define LCD_TYPE_COLOR_STN      3
+#define LCD_TYPE_COLOR_DSTN     4
+#define LCD_TYPE_COLOR_TFT      5
+#define LCD_TYPE_SMART_PANEL    6
+#define LCD_TYPE_MAX            7
+
+#define LCD_MONO_STN_4BPP       ((4  << 4) | LCD_TYPE_MONO_STN)
+#define LCD_MONO_STN_8BPP       ((8  << 4) | LCD_TYPE_MONO_STN)
+#define LCD_MONO_DSTN_8BPP      ((8  << 4) | LCD_TYPE_MONO_DSTN)
+#define LCD_COLOR_STN_8BPP      ((8  << 4) | LCD_TYPE_COLOR_STN)
+#define LCD_COLOR_DSTN_16BPP    ((16 << 4) | LCD_TYPE_COLOR_DSTN)
+#define LCD_COLOR_TFT_16BPP     ((16 << 4) | LCD_TYPE_COLOR_TFT)
+#define LCD_COLOR_TFT_18BPP     ((18 << 4) | LCD_TYPE_COLOR_TFT)
+#define LCD_SMART_PANEL_8BPP    ((8  << 4) | LCD_TYPE_SMART_PANEL)
+#define LCD_SMART_PANEL_16BPP   ((16 << 4) | LCD_TYPE_SMART_PANEL)
+#define LCD_SMART_PANEL_18BPP   ((18 << 4) | LCD_TYPE_SMART_PANEL)
+
+#define LCD_AC_BIAS_FREQ(x)     (((x) & 0xff) << 10)
+#define LCD_BIAS_ACTIVE_HIGH    (0 << 17)
+#define LCD_BIAS_ACTIVE_LOW     (1 << 17)
+#define LCD_PCLK_EDGE_RISE      (0 << 18)
+#define LCD_PCLK_EDGE_FALL      (1 << 18)
 
 /*
  * This structure describes the machine which we are running on.
@@ -26,6 +70,10 @@ struct pxafb_mode_info {
         u_short         yres;
 
         u_char          bpp;
+        u_int           cmap_greyscale:1,
+                        unused:31;
+
+        /* Parallel Mode Timing */
         u_char          hsync_len;
         u_char          left_margin;
         u_char          right_margin;
@@ -35,14 +83,28 @@ struct pxafb_mode_info {
         u_char          lower_margin;
         u_char          sync;
 
-        u_int           cmap_greyscale:1,
-                        unused:31;
+        /* Smart Panel Mode Timing - see PXA27x DM 7.4.15.0.3 for details
+         * Note:
+         * 1. all parameters in nanosecond (ns)
+         * 2. a0cs{rd,wr}_set_hld are controlled by the same register bits
+         *    in pxa27x and pxa3xx, initialize them to the same value or
+         *    the larger one will be used
+         * 3. same to {rd,wr}_pulse_width
+         */
+        unsigned        a0csrd_set_hld; /* A0 and CS Setup/Hold Time before/after L_FCLK_RD */
+        unsigned        a0cswr_set_hld; /* A0 and CS Setup/Hold Time before/after L_PCLK_WR */
+        unsigned        wr_pulse_width; /* L_PCLK_WR pulse width */
+        unsigned        rd_pulse_width; /* L_FCLK_RD pulse width */
+        unsigned        cmd_inh_time;   /* Command Inhibit time between two writes */
+        unsigned        op_hold_time;   /* Output Hold time from L_FCLK_RD negation */
 };
 
 struct pxafb_mach_info {
         struct pxafb_mode_info *modes;
         unsigned int num_modes;
 
+        unsigned int    lcd_conn;
+
         u_int           fixed_modes:1,
                         cmap_inverse:1,
                         cmap_static:1,
@@ -78,8 +140,11 @@ struct pxafb_mach_info {
         u_int           lccr4;
         void (*pxafb_backlight_power)(int);
         void (*pxafb_lcd_power)(int, struct fb_var_screeninfo *);
-
+        void (*smart_update)(struct fb_info *);
 };
 void set_pxa_fb_info(struct pxafb_mach_info *hard_pxa_fb_info);
 void set_pxa_fb_parent(struct device *parent_dev);
 unsigned long pxafb_get_hsync_time(struct device *dev);
+
+extern int pxafb_smart_queue(struct fb_info *info, uint16_t *cmds, int);
+extern int pxafb_smart_flush(struct fb_info *info);
diff --git a/include/asm-arm/arch-pxa/regs-lcd.h b/include/asm-arm/arch-pxa/regs-lcd.h
new file mode 100644
index 000000000000..f762493f5141
--- /dev/null
+++ b/include/asm-arm/arch-pxa/regs-lcd.h
@@ -0,0 +1,171 @@
+#ifndef __ASM_ARCH_REGS_LCD_H
+#define __ASM_ARCH_REGS_LCD_H
+/*
+ * LCD Controller Registers and Bits Definitions
+ */
+#define LCCR0           (0x000) /* LCD Controller Control Register 0 */
+#define LCCR1           (0x004) /* LCD Controller Control Register 1 */
+#define LCCR2           (0x008) /* LCD Controller Control Register 2 */
+#define LCCR3           (0x00C) /* LCD Controller Control Register 3 */
+#define LCCR4           (0x010) /* LCD Controller Control Register 4 */
+#define LCCR5           (0x014) /* LCD Controller Control Register 5 */
+#define DFBR0           (0x020) /* DMA Channel 0 Frame Branch Register */
+#define DFBR1           (0x024) /* DMA Channel 1 Frame Branch Register */
+#define LCSR            (0x038) /* LCD Controller Status Register */
+#define LIIDR           (0x03C) /* LCD Controller Interrupt ID Register */
+#define TMEDRGBR        (0x040) /* TMED RGB Seed Register */
+#define TMEDCR          (0x044) /* TMED Control Register */
+
+#define CMDCR           (0x100) /* Command Control Register */
+#define PRSR            (0x104) /* Panel Read Status Register */
+
+#define LCCR3_1BPP      (0 << 24)
+#define LCCR3_2BPP      (1 << 24)
+#define LCCR3_4BPP      (2 << 24)
+#define LCCR3_8BPP      (3 << 24)
+#define LCCR3_16BPP     (4 << 24)
+
+#define LCCR3_PDFOR_0   (0 << 30)
+#define LCCR3_PDFOR_1   (1 << 30)
+#define LCCR3_PDFOR_2   (2 << 30)
+#define LCCR3_PDFOR_3   (3 << 30)
+
+#define LCCR4_PAL_FOR_0 (0 << 15)
+#define LCCR4_PAL_FOR_1 (1 << 15)
+#define LCCR4_PAL_FOR_2 (2 << 15)
+#define LCCR4_PAL_FOR_MASK      (3 << 15)
+
+#define FDADR0          (0x200) /* DMA Channel 0 Frame Descriptor Address Register */
+#define FSADR0          (0x204) /* DMA Channel 0 Frame Source Address Register */
+#define FIDR0           (0x208) /* DMA Channel 0 Frame ID Register */
+#define LDCMD0          (0x20C) /* DMA Channel 0 Command Register */
+#define FDADR1          (0x210) /* DMA Channel 1 Frame Descriptor Address Register */
+#define FSADR1          (0x214) /* DMA Channel 1 Frame Source Address Register */
+#define FIDR1           (0x218) /* DMA Channel 1 Frame ID Register */
+#define LDCMD1          (0x21C) /* DMA Channel 1 Command Register */
+#define FDADR6          (0x260) /* DMA Channel 6 Frame Descriptor Address Register */
+#define FSADR6          (0x264) /* DMA Channel 6 Frame Source Address Register */
+#define FIDR6           (0x268) /* DMA Channel 6 Frame ID Register */
+
+#define LCCR0_ENB       (1 << 0)        /* LCD Controller enable */
+#define LCCR0_CMS       (1 << 1)        /* Color/Monochrome Display Select */
+#define LCCR0_Color     (LCCR0_CMS*0)   /*  Color display */
+#define LCCR0_Mono      (LCCR0_CMS*1)   /*  Monochrome display */
+#define LCCR0_SDS       (1 << 2)        /* Single/Dual Panel Display Select */
+#define LCCR0_Sngl      (LCCR0_SDS*0)   /*  Single panel display */
+#define LCCR0_Dual      (LCCR0_SDS*1)   /*  Dual panel display */
+
+#define LCCR0_LDM       (1 << 3)        /* LCD Disable Done Mask */
+#define LCCR0_SFM       (1 << 4)        /* Start of frame mask */
+#define LCCR0_IUM       (1 << 5)        /* Input FIFO underrun mask */
+#define LCCR0_EFM       (1 << 6)        /* End of Frame mask */
+#define LCCR0_PAS       (1 << 7)        /* Passive/Active display Select */
+#define LCCR0_Pas       (LCCR0_PAS*0)   /*  Passive display (STN) */
+#define LCCR0_Act       (LCCR0_PAS*1)   /*  Active display (TFT) */
+#define LCCR0_DPD       (1 << 9)        /* Double Pixel Data (monochrome) */
+#define LCCR0_4PixMono  (LCCR0_DPD*0)   /*  4-Pixel/clock Monochrome display */
+#define LCCR0_8PixMono  (LCCR0_DPD*1)   /*  8-Pixel/clock Monochrome display */
+#define LCCR0_DIS       (1 << 10)       /* LCD Disable */
+#define LCCR0_QDM       (1 << 11)       /* LCD Quick Disable mask */
+#define LCCR0_PDD       (0xff << 12)    /* Palette DMA request delay */
+#define LCCR0_PDD_S     12
+#define LCCR0_BM        (1 << 20)       /* Branch mask */
+#define LCCR0_OUM       (1 << 21)       /* Output FIFO underrun mask */
+#define LCCR0_LCDT      (1 << 22)       /* LCD panel type */
+#define LCCR0_RDSTM     (1 << 23)       /* Read status interrupt mask */
+#define LCCR0_CMDIM     (1 << 24)       /* Command interrupt mask */
+#define LCCR0_OUC       (1 << 25)       /* Overlay Underlay control bit */
+#define LCCR0_LDDALT    (1 << 26)       /* LDD alternate mapping control */
+
+#define LCCR1_PPL       Fld (10, 0)     /* Pixels Per Line - 1 */
+#define LCCR1_DisWdth(Pixel)    (((Pixel) - 1) << FShft (LCCR1_PPL))
+
+#define LCCR1_HSW       Fld (6, 10)     /* Horizontal Synchronization */
+#define LCCR1_HorSnchWdth(Tpix) (((Tpix) - 1) << FShft (LCCR1_HSW))
+
+#define LCCR1_ELW       Fld (8, 16)     /* End-of-Line pixel clock Wait - 1 */
+#define LCCR1_EndLnDel(Tpix)    (((Tpix) - 1) << FShft (LCCR1_ELW))
+
+#define LCCR1_BLW       Fld (8, 24)     /* Beginning-of-Line pixel clock */
+#define LCCR1_BegLnDel(Tpix)    (((Tpix) - 1) << FShft (LCCR1_BLW))
+
+#define LCCR2_LPP       Fld (10, 0)     /* Line Per Panel - 1 */
+#define LCCR2_DisHght(Line)     (((Line) - 1) << FShft (LCCR2_LPP))
+
+#define LCCR2_VSW       Fld (6, 10)     /* Vertical Synchronization pulse - 1 */
+#define LCCR2_VrtSnchWdth(Tln)  (((Tln) - 1) << FShft (LCCR2_VSW))
+
+#define LCCR2_EFW       Fld (8, 16)     /* End-of-Frame line clock Wait */
+#define LCCR2_EndFrmDel(Tln)    ((Tln) << FShft (LCCR2_EFW))
+
+#define LCCR2_BFW       Fld (8, 24)     /* Beginning-of-Frame line clock */
+#define LCCR2_BegFrmDel(Tln)    ((Tln) << FShft (LCCR2_BFW))
+
+#define LCCR3_API       (0xf << 16)     /* AC Bias pin trasitions per interrupt */
+#define LCCR3_API_S     16
+#define LCCR3_VSP       (1 << 20)       /* vertical sync polarity */
+#define LCCR3_HSP       (1 << 21)       /* horizontal sync polarity */
+#define LCCR3_PCP       (1 << 22)       /* Pixel Clock Polarity (L_PCLK) */
+#define LCCR3_PixRsEdg  (LCCR3_PCP*0)   /*  Pixel clock Rising-Edge */
+#define LCCR3_PixFlEdg  (LCCR3_PCP*1)   /*  Pixel clock Falling-Edge */
+
+#define LCCR3_OEP       (1 << 23)       /* Output Enable Polarity */
+#define LCCR3_OutEnH    (LCCR3_OEP*0)   /*  Output Enable active High */
+#define LCCR3_OutEnL    (LCCR3_OEP*1)   /*  Output Enable active Low */
+
+#define LCCR3_DPC       (1 << 27)       /* double pixel clock mode */
+#define LCCR3_PCD       Fld (8, 0)      /* Pixel Clock Divisor */
+#define LCCR3_PixClkDiv(Div)    (((Div) << FShft (LCCR3_PCD)))
+
+#define LCCR3_BPP       Fld (3, 24)     /* Bit Per Pixel */
+#define LCCR3_Bpp(Bpp)  (((Bpp) << FShft (LCCR3_BPP)))
+
+#define LCCR3_ACB       Fld (8, 8)      /* AC Bias */
+#define LCCR3_Acb(Acb)  (((Acb) << FShft (LCCR3_ACB)))
+
+#define LCCR3_HorSnchH  (LCCR3_HSP*0)   /*  HSP Active High */
+#define LCCR3_HorSnchL  (LCCR3_HSP*1)   /*  HSP Active Low */
+
+#define LCCR3_VrtSnchH  (LCCR3_VSP*0)   /*  VSP Active High */
+#define LCCR3_VrtSnchL  (LCCR3_VSP*1)   /*  VSP Active Low */
+
+#define LCCR5_IUM(x)    (1 << ((x) + 23)) /* input underrun mask */
+#define LCCR5_BSM(x)    (1 << ((x) + 15)) /* branch mask */
+#define LCCR5_EOFM(x)   (1 << ((x) + 7))  /* end of frame mask */
+#define LCCR5_SOFM(x)   (1 << ((x) + 0))  /* start of frame mask */
+
+#define LCSR_LDD        (1 << 0)        /* LCD Disable Done */
+#define LCSR_SOF        (1 << 1)        /* Start of frame */
+#define LCSR_BER        (1 << 2)        /* Bus error */
+#define LCSR_ABC        (1 << 3)        /* AC Bias count */
+#define LCSR_IUL        (1 << 4)        /* input FIFO underrun Lower panel */
+#define LCSR_IUU        (1 << 5)        /* input FIFO underrun Upper panel */
+#define LCSR_OU         (1 << 6)        /* output FIFO underrun */
+#define LCSR_QD         (1 << 7)        /* quick disable */
+#define LCSR_EOF        (1 << 8)        /* end of frame */
+#define LCSR_BS         (1 << 9)        /* branch status */
+#define LCSR_SINT       (1 << 10)       /* subsequent interrupt */
+#define LCSR_RD_ST      (1 << 11)       /* read status */
+#define LCSR_CMD_INT    (1 << 12)       /* command interrupt */
+
+#define LDCMD_PAL       (1 << 26)       /* instructs DMA to load palette buffer */
+
+/* smartpanel related */
+#define PRSR_DATA(x)    ((x) & 0xff)    /* Panel Data */
+#define PRSR_A0         (1 << 8)        /* Read Data Source */
+#define PRSR_ST_OK      (1 << 9)        /* Status OK */
+#define PRSR_CON_NT     (1 << 10)       /* Continue to Next Command */
+
+#define SMART_CMD_A0                     (0x1 << 8)
+#define SMART_CMD_READ_STATUS_REG        (0x0 << 9)
+#define SMART_CMD_READ_FRAME_BUFFER     ((0x0 << 9) | SMART_CMD_A0)
+#define SMART_CMD_WRITE_COMMAND          (0x1 << 9)
+#define SMART_CMD_WRITE_DATA            ((0x1 << 9) | SMART_CMD_A0)
+#define SMART_CMD_WRITE_FRAME           ((0x2 << 9) | SMART_CMD_A0)
+#define SMART_CMD_WAIT_FOR_VSYNC         (0x3 << 9)
+#define SMART_CMD_NOOP                   (0x4 << 9)
+#define SMART_CMD_INTERRUPT              (0x5 << 9)
+
+#define SMART_CMD(x)    (SMART_CMD_WRITE_COMMAND | ((x) & 0xff))
+#define SMART_DAT(x)    (SMART_CMD_WRITE_DATA | ((x) & 0xff))
+#endif /* __ASM_ARCH_REGS_LCD_H */
diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h
index 15e6f253dda4..c9f369c4bd7e 100644
--- a/include/asm-generic/bitops.h
+++ b/include/asm-generic/bitops.h
@@ -17,8 +17,6 @@
 #include <asm-generic/bitops/fls64.h>
 #include <asm-generic/bitops/find.h>
 
-#ifdef __KERNEL__
-
 #ifndef _LINUX_BITOPS_H
 #error only <linux/bitops.h> can be included directly
 #endif
@@ -32,6 +30,4 @@
 #include <asm-generic/bitops/ext2-atomic.h>
 #include <asm-generic/bitops/minix.h>
 
-#endif /* __KERNEL__ */
-
 #endif /* _ASM_GENERIC_BITOPS_H */
diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h
index f422df0956a2..3c2344f48136 100644
--- a/include/asm-generic/futex.h
+++ b/include/asm-generic/futex.h
@@ -1,11 +1,9 @@
 #ifndef _ASM_GENERIC_FUTEX_H
 #define _ASM_GENERIC_FUTEX_H
 
-#ifdef __KERNEL__
-
 #include <linux/futex.h>
+#include <linux/uaccess.h>
 #include <asm/errno.h>
-#include <asm/uaccess.h>
 
 static inline int
 futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
@@ -56,4 +54,3 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 }
 
 #endif
-#endif
diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index 52226e14bd7d..ae060c62aff1 100644
--- a/include/asm-generic/memory_model.h
+++ b/include/asm-generic/memory_model.h
@@ -1,7 +1,6 @@
 #ifndef __ASM_MEMORY_MODEL_H
 #define __ASM_MEMORY_MODEL_H
 
-#ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
 #if defined(CONFIG_FLATMEM)
@@ -81,6 +80,5 @@ extern unsigned long page_to_pfn(struct page *page);
 #endif /* CONFIG_OUT_OF_LINE_PFN_TO_PAGE */
 
 #endif /* __ASSEMBLY__ */
-#endif /* __KERNEL__ */
 
 #endif
diff --git a/include/asm-generic/page.h b/include/asm-generic/page.h
index a96b5d986b6e..14db733b8e68 100644
--- a/include/asm-generic/page.h
+++ b/include/asm-generic/page.h
@@ -1,7 +1,6 @@
 #ifndef _ASM_GENERIC_PAGE_H
 #define _ASM_GENERIC_PAGE_H
 
-#ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
 #include <linux/compiler.h>
@@ -21,6 +20,5 @@ static __inline__ __attribute_const__ int get_order(unsigned long size)
 }
 
 #endif  /* __ASSEMBLY__ */
-#endif  /* __KERNEL__ */
 
 #endif  /* _ASM_GENERIC_PAGE_H */
diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h
index dd1bed860e64..be4af0029ac0 100644
--- a/include/asm-generic/rtc.h
+++ b/include/asm-generic/rtc.h
@@ -12,8 +12,6 @@
 #ifndef __ASM_RTC_H__
 #define __ASM_RTC_H__
 
-#ifdef __KERNEL__
-
 #include <linux/mc146818rtc.h>
 #include <linux/rtc.h>
 #include <linux/bcd.h>
@@ -213,5 +211,4 @@ static inline int set_rtc_pll(struct rtc_pll_info *pll)
         return -EINVAL;
 }
 
-#endif /* __KERNEL__ */
 #endif /* __ASM_RTC_H__ */
diff --git a/include/asm-ia64/futex.h b/include/asm-ia64/futex.h
index 8a98a2654139..c7f0f062239c 100644
--- a/include/asm-ia64/futex.h
+++ b/include/asm-ia64/futex.h
@@ -2,9 +2,9 @@
 #define _ASM_FUTEX_H
 
 #include <linux/futex.h>
+#include <linux/uaccess.h>
 #include <asm/errno.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 
 #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \
 do {                                                                    \
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 6da8069a0f77..f30e05583869 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -101,7 +101,6 @@ extern void tsk_clear_notify_resume(struct task_struct *tsk);
 #define TIF_SYSCALL_TRACE       2       /* syscall trace active */
 #define TIF_SYSCALL_AUDIT       3       /* syscall auditing active */
 #define TIF_SINGLESTEP          4       /* restore singlestep on return to user mode */
-#define TIF_RESTORE_SIGMASK     5       /* restore signal mask in do_signal() */
 #define TIF_NOTIFY_RESUME       6       /* resumption notification requested */
 #define TIF_POLLING_NRFLAG      16      /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE              17
@@ -109,6 +108,7 @@ extern void tsk_clear_notify_resume(struct task_struct *tsk);
 #define TIF_DB_DISABLED         19      /* debug trap disabled for fsyscall */
 #define TIF_FREEZE              20      /* is freezing for suspend */
 #define TIF_RESTORE_RSE         21      /* user RBS is newer than kernel RBS */
+#define TIF_RESTORE_SIGMASK     22      /* restore signal mask in do_signal() */
 
 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
 #define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
@@ -126,8 +126,7 @@ extern void tsk_clear_notify_resume(struct task_struct *tsk);
 
 /* "work to do on user-return" bits */
 #define TIF_ALLWORK_MASK        (_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SYSCALL_AUDIT|\
-                                 _TIF_NEED_RESCHED| _TIF_SYSCALL_TRACE|\
-                                 _TIF_RESTORE_SIGMASK)
+                                 _TIF_NEED_RESCHED|_TIF_SYSCALL_TRACE)
 /* like TIF_ALLWORK_BITS but sans TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT */
 #define TIF_WORK_MASK           (TIF_ALLWORK_MASK&~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT))
 
diff --git a/include/asm-mips/futex.h b/include/asm-mips/futex.h
index 17f082cfea85..b9cce90346cf 100644
--- a/include/asm-mips/futex.h
+++ b/include/asm-mips/futex.h
@@ -11,9 +11,9 @@
 #ifdef __KERNEL__
 
 #include <linux/futex.h>
+#include <linux/uaccess.h>
 #include <asm/barrier.h>
 #include <asm/errno.h>
-#include <asm/uaccess.h>
 #include <asm/war.h>
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)              \
diff --git a/include/asm-parisc/futex.h b/include/asm-parisc/futex.h
index fdc6d055ef7f..0c705c3a55ef 100644
--- a/include/asm-parisc/futex.h
+++ b/include/asm-parisc/futex.h
@@ -4,8 +4,8 @@
 #ifdef __KERNEL__
 
 #include <linux/futex.h>
+#include <linux/uaccess.h>
 #include <asm/errno.h>
-#include <asm/uaccess.h>
 
 static inline int
 futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
diff --git a/include/asm-powerpc/futex.h b/include/asm-powerpc/futex.h
index 3f3673fd3ff3..6d406c5c5de4 100644
--- a/include/asm-powerpc/futex.h
+++ b/include/asm-powerpc/futex.h
@@ -4,9 +4,9 @@
 #ifdef __KERNEL__
 
 #include <linux/futex.h>
+#include <linux/uaccess.h>
 #include <asm/errno.h>
 #include <asm/synch.h>
-#include <asm/uaccess.h>
 #include <asm/asm-compat.h>
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
diff --git a/include/asm-s390/ccwgroup.h b/include/asm-s390/ccwgroup.h
index 289053ef5e60..a27f68985a79 100644
--- a/include/asm-s390/ccwgroup.h
+++ b/include/asm-s390/ccwgroup.h
@@ -57,10 +57,9 @@ struct ccwgroup_driver {
 
 extern int  ccwgroup_driver_register   (struct ccwgroup_driver *cdriver);
 extern void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver);
-extern int ccwgroup_create (struct device *root,
-                            unsigned int creator_id,
-                            struct ccw_driver *gdrv,
-                            int argc, char *argv[]);
+int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
+                                struct ccw_driver *cdrv, int num_devices,
+                                const char *buf);
 
 extern int ccwgroup_probe_ccwdev(struct ccw_device *cdev);
 extern void ccwgroup_remove_ccwdev(struct ccw_device *cdev);
diff --git a/include/asm-s390/hugetlb.h b/include/asm-s390/hugetlb.h
new file mode 100644
index 000000000000..600a776f8f75
--- /dev/null
+++ b/include/asm-s390/hugetlb.h
@@ -0,0 +1,183 @@
+/*
+ *  IBM System z Huge TLB Page Support for Kernel.
+ *
+ *    Copyright IBM Corp. 2008
+ *    Author(s): Gerald Schaefer <gerald.schaefer@de.ibm.com>
+ */
+
+#ifndef _ASM_S390_HUGETLB_H
+#define _ASM_S390_HUGETLB_H
+
+#include <asm/page.h>
+#include <asm/pgtable.h>
+
+
+#define is_hugepage_only_range(mm, addr, len)   0
+#define hugetlb_free_pgd_range                  free_pgd_range
+
+void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+                     pte_t *ptep, pte_t pte);
+
+/*
+ * If the arch doesn't supply something else, assume that hugepage
+ * size aligned regions are ok without further preparation.
+ */
+static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
+{
+        if (len & ~HPAGE_MASK)
+                return -EINVAL;
+        if (addr & ~HPAGE_MASK)
+                return -EINVAL;
+        return 0;
+}
+
+#define hugetlb_prefault_arch_hook(mm)          do { } while (0)
+
+int arch_prepare_hugepage(struct page *page);
+void arch_release_hugepage(struct page *page);
+
+static inline pte_t pte_mkhuge(pte_t pte)
+{
+        /*
+         * PROT_NONE needs to be remapped from the pte type to the ste type.
+         * The HW invalid bit is also different for pte and ste. The pte
+         * invalid bit happens to be the same as the ste _SEGMENT_ENTRY_LARGE
+         * bit, so we don't have to clear it.
+         */
+        if (pte_val(pte) & _PAGE_INVALID) {
+                if (pte_val(pte) & _PAGE_SWT)
+                        pte_val(pte) |= _HPAGE_TYPE_NONE;
+                pte_val(pte) |= _SEGMENT_ENTRY_INV;
+        }
+        /*
+         * Clear SW pte bits SWT and SWX, there are no SW bits in a segment
+         * table entry.
+         */
+        pte_val(pte) &= ~(_PAGE_SWT | _PAGE_SWX);
+        /*
+         * Also set the change-override bit because we don't need dirty bit
+         * tracking for hugetlbfs pages.
+         */
+        pte_val(pte) |= (_SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_CO);
+        return pte;
+}
+
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+        pte_val(pte) |= _PAGE_RO;
+        return pte;
+}
+
+static inline int huge_pte_none(pte_t pte)
+{
+        return (pte_val(pte) & _SEGMENT_ENTRY_INV) &&
+                !(pte_val(pte) & _SEGMENT_ENTRY_RO);
+}
+
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+        pte_t pte = *ptep;
+        unsigned long mask;
+
+        if (!MACHINE_HAS_HPAGE) {
+                ptep = (pte_t *) (pte_val(pte) & _SEGMENT_ENTRY_ORIGIN);
+                if (ptep) {
+                        mask = pte_val(pte) &
+                                (_SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO);
+                        pte = pte_mkhuge(*ptep);
+                        pte_val(pte) |= mask;
+                }
+        }
+        return pte;
+}
+
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+                                            unsigned long addr, pte_t *ptep)
+{
+        pte_t pte = huge_ptep_get(ptep);
+
+        pmd_clear((pmd_t *) ptep);
+        return pte;
+}
+
+static inline void __pmd_csp(pmd_t *pmdp)
+{
+        register unsigned long reg2 asm("2") = pmd_val(*pmdp);
+        register unsigned long reg3 asm("3") = pmd_val(*pmdp) |
+                                               _SEGMENT_ENTRY_INV;
+        register unsigned long reg4 asm("4") = ((unsigned long) pmdp) + 5;
+
+        asm volatile(
+                "       csp %1,%3"
+                : "=m" (*pmdp)
+                : "d" (reg2), "d" (reg3), "d" (reg4), "m" (*pmdp) : "cc");
+        pmd_val(*pmdp) = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY;
+}
+
+static inline void __pmd_idte(unsigned long address, pmd_t *pmdp)
+{
+        unsigned long sto = (unsigned long) pmdp -
+                                pmd_index(address) * sizeof(pmd_t);
+
+        if (!(pmd_val(*pmdp) & _SEGMENT_ENTRY_INV)) {
+                asm volatile(
+                        "       .insn   rrf,0xb98e0000,%2,%3,0,0"
+                        : "=m" (*pmdp)
+                        : "m" (*pmdp), "a" (sto),
+                          "a" ((address & HPAGE_MASK))
+                );
+        }
+        pmd_val(*pmdp) = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY;
+}
+
+static inline void huge_ptep_invalidate(struct mm_struct *mm,
+                                        unsigned long address, pte_t *ptep)
+{
+        pmd_t *pmdp = (pmd_t *) ptep;
+
+        if (!MACHINE_HAS_IDTE) {
+                __pmd_csp(pmdp);
+                if (mm->context.noexec) {
+                        pmdp = get_shadow_table(pmdp);
+                        __pmd_csp(pmdp);
+                }
+                return;
+        }
+
+        __pmd_idte(address, pmdp);
+        if (mm->context.noexec) {
+                pmdp = get_shadow_table(pmdp);
+                __pmd_idte(address, pmdp);
+        }
+        return;
+}
+
+#define huge_ptep_set_access_flags(__vma, __addr, __ptep, __entry, __dirty) \
+({                                                                          \
+        int __changed = !pte_same(huge_ptep_get(__ptep), __entry);          \
+        if (__changed) {                                                    \
+                huge_ptep_invalidate((__vma)->vm_mm, __addr, __ptep);       \
+                set_huge_pte_at((__vma)->vm_mm, __addr, __ptep, __entry);   \
+        }                                                                   \
+        __changed;                                                          \
+})
+
+#define huge_ptep_set_wrprotect(__mm, __addr, __ptep)                   \
+({                                                                      \
+        pte_t __pte = huge_ptep_get(__ptep);                            \
+        if (pte_write(__pte)) {                                         \
+                if (atomic_read(&(__mm)->mm_users) > 1 ||               \
+                    (__mm) != current->active_mm)                       \
+                        huge_ptep_invalidate(__mm, __addr, __ptep);     \
+                set_huge_pte_at(__mm, __addr, __ptep,                   \
+                                huge_pte_wrprotect(__pte));             \
+        }                                                               \
+})
+
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+                                         unsigned long address, pte_t *ptep)
+{
+        huge_ptep_invalidate(vma->vm_mm, address, ptep);
+}
+
+#endif /* _ASM_S390_HUGETLB_H */
diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h
index fe7f92b6ae6d..f0f4579eac13 100644
--- a/include/asm-s390/page.h
+++ b/include/asm-s390/page.h
@@ -19,17 +19,34 @@
 #define PAGE_DEFAULT_ACC        0
 #define PAGE_DEFAULT_KEY        (PAGE_DEFAULT_ACC << 4)
 
+#define HPAGE_SHIFT     20
+#define HPAGE_SIZE      (1UL << HPAGE_SHIFT)
+#define HPAGE_MASK      (~(HPAGE_SIZE - 1))
+#define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
+
+#define ARCH_HAS_SETCLEAR_HUGE_PTE
+#define ARCH_HAS_HUGE_PTE_TYPE
+#define ARCH_HAS_PREPARE_HUGEPAGE
+#define ARCH_HAS_HUGEPAGE_CLEAR_FLUSH
+
 #include <asm/setup.h>
 #ifndef __ASSEMBLY__
 
 static inline void clear_page(void *page)
 {
-        register unsigned long reg1 asm ("1") = 0;
-        register void *reg2 asm ("2") = page;
-        register unsigned long reg3 asm ("3") = 4096;
-        asm volatile(
-                "       mvcl    2,0"
-                : "+d" (reg2), "+d" (reg3) : "d" (reg1) : "memory", "cc");
+        if (MACHINE_HAS_PFMF) {
+                asm volatile(
+                        "       .insn   rre,0xb9af0000,%0,%1"
+                        : : "d" (0x10000), "a" (page) : "memory", "cc");
+        } else {
+                register unsigned long reg1 asm ("1") = 0;
+                register void *reg2 asm ("2") = page;
+                register unsigned long reg3 asm ("3") = 4096;
+                asm volatile(
+                        "       mvcl    2,0"
+                        : "+d" (reg2), "+d" (reg3) : "d" (reg1)
+                        : "memory", "cc");
+        }
 }
 
 static inline void copy_page(void *to, void *from)
@@ -108,26 +125,6 @@ page_get_storage_key(unsigned long addr)
         return skey;
 }
 
-extern unsigned long max_pfn;
-
-static inline int pfn_valid(unsigned long pfn)
-{
-        unsigned long dummy;
-        int ccode;
-
-        if (pfn >= max_pfn)
-                return 0;
-
-        asm volatile(
-                "       lra     %0,0(%2)\n"
-                "       ipm     %1\n"
-                "       srl     %1,28\n"
-                : "=d" (dummy), "=d" (ccode)
-                : "a" (pfn << PAGE_SHIFT)
-                : "cc");
-        return !ccode;
-}
-
 #endif /* !__ASSEMBLY__ */
 
 /* to align the pointer to the (next) page boundary */
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index f8347ce9c5a1..c7f4f8e3e297 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -129,7 +129,7 @@ extern char empty_zero_page[PAGE_SIZE];
 #define VMEM_MAX_PAGES  ((VMEM_MAP_END - VMALLOC_END) / sizeof(struct page))
 #define VMEM_MAX_PFN    min(VMALLOC_START >> PAGE_SHIFT, VMEM_MAX_PAGES)
 #define VMEM_MAX_PHYS   ((VMEM_MAX_PFN << PAGE_SHIFT) & ~((16 << 20) - 1))
-#define VMEM_MAP        ((struct page *) VMALLOC_END)
+#define vmemmap         ((struct page *) VMALLOC_END)
 
 /*
  * A 31 bit pagetable entry of S390 has following format:
@@ -234,6 +234,15 @@ extern char empty_zero_page[PAGE_SIZE];
 #define _PAGE_TYPE_EX_RW        0x002
 
 /*
+ * Only four types for huge pages, using the invalid bit and protection bit
+ * of a segment table entry.
+ */
+#define _HPAGE_TYPE_EMPTY       0x020   /* _SEGMENT_ENTRY_INV */
+#define _HPAGE_TYPE_NONE        0x220
+#define _HPAGE_TYPE_RO          0x200   /* _SEGMENT_ENTRY_RO  */
+#define _HPAGE_TYPE_RW          0x000
+
+/*
  * PTE type bits are rather complicated. handle_pte_fault uses pte_present,
  * pte_none and pte_file to find out the pte type WITHOUT holding the page
  * table lock. ptep_clear_flush on the other hand uses ptep_clear_flush to
@@ -325,6 +334,9 @@ extern char empty_zero_page[PAGE_SIZE];
 #define _SEGMENT_ENTRY          (0)
 #define _SEGMENT_ENTRY_EMPTY    (_SEGMENT_ENTRY_INV)
 
+#define _SEGMENT_ENTRY_LARGE    0x400   /* STE-format control, large page   */
+#define _SEGMENT_ENTRY_CO       0x100   /* change-recording override   */
+
 #endif /* __s390x__ */
 
 /*
@@ -1063,8 +1075,8 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
 
 #define kern_addr_valid(addr)   (1)
 
-extern int add_shared_memory(unsigned long start, unsigned long size);
-extern int remove_shared_memory(unsigned long start, unsigned long size);
+extern int vmem_add_mapping(unsigned long start, unsigned long size);
+extern int vmem_remove_mapping(unsigned long start, unsigned long size);
 extern int s390_enable_sie(void);
 
 /*
@@ -1072,9 +1084,6 @@ extern int s390_enable_sie(void);
  */
 #define pgtable_cache_init()    do { } while (0)
 
-#define __HAVE_ARCH_MEMMAP_INIT
-extern void memmap_init(unsigned long, int, unsigned long, unsigned long);
-
 #include <asm-generic/pgtable.h>
 
 #endif /* _S390_PAGE_H */
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 8eaf343a12a8..a00f79dd323b 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -172,16 +172,7 @@ extern unsigned long thread_saved_pc(struct task_struct *t);
  */
 extern void task_show_regs(struct seq_file *m, struct task_struct *task);
 
-extern void show_registers(struct pt_regs *regs);
 extern void show_code(struct pt_regs *regs);
-extern void show_trace(struct task_struct *task, unsigned long *sp);
-#ifdef CONFIG_64BIT
-extern void show_last_breaking_event(struct pt_regs *regs);
-#else
-static inline void show_last_breaking_event(struct pt_regs *regs)
-{
-}
-#endif
 
 unsigned long get_wchan(struct task_struct *p);
 #define task_pt_regs(tsk) ((struct pt_regs *) \
diff --git a/include/asm-s390/ptrace.h b/include/asm-s390/ptrace.h
index 61f6952f2e35..441d7c260857 100644
--- a/include/asm-s390/ptrace.h
+++ b/include/asm-s390/ptrace.h
@@ -463,8 +463,6 @@ struct user_regs_struct
 };
 
 #ifdef __KERNEL__
-#define __ARCH_SYS_PTRACE       1
-
 /*
  * These are defined as per linux/ptrace.h, which see.
  */
diff --git a/include/asm-s390/qdio.h b/include/asm-s390/qdio.h
index 4b8ff55f680e..11240342a0f4 100644
--- a/include/asm-s390/qdio.h
+++ b/include/asm-s390/qdio.h
@@ -127,6 +127,7 @@ extern int do_QDIO(struct ccw_device*, unsigned int flags,
                    unsigned int qidx,unsigned int count,
                    struct qdio_buffer *buffers);
 
+extern int qdio_get_ssqd_pct(struct ccw_device*);
 extern int qdio_synchronize(struct ccw_device*, unsigned int flags,
                             unsigned int queue_number);
 
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index aaf4b518b940..ba69674012a7 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -59,23 +59,42 @@ extern unsigned int s390_noexec;
  */
 extern unsigned long machine_flags;
 
-#define MACHINE_IS_VM           (machine_flags & 1)
-#define MACHINE_IS_P390         (machine_flags & 4)
-#define MACHINE_HAS_MVPG        (machine_flags & 16)
-#define MACHINE_IS_KVM          (machine_flags & 64)
-#define MACHINE_HAS_IDTE        (machine_flags & 128)
-#define MACHINE_HAS_DIAG9C      (machine_flags & 256)
+#define MACHINE_FLAG_VM         (1UL << 0)
+#define MACHINE_FLAG_IEEE       (1UL << 1)
+#define MACHINE_FLAG_P390       (1UL << 2)
+#define MACHINE_FLAG_CSP        (1UL << 3)
+#define MACHINE_FLAG_MVPG       (1UL << 4)
+#define MACHINE_FLAG_DIAG44     (1UL << 5)
+#define MACHINE_FLAG_IDTE       (1UL << 6)
+#define MACHINE_FLAG_DIAG9C     (1UL << 7)
+#define MACHINE_FLAG_MVCOS      (1UL << 8)
+#define MACHINE_FLAG_KVM        (1UL << 9)
+#define MACHINE_FLAG_HPAGE      (1UL << 10)
+#define MACHINE_FLAG_PFMF       (1UL << 11)
+
+#define MACHINE_IS_VM           (machine_flags & MACHINE_FLAG_VM)
+#define MACHINE_IS_KVM          (machine_flags & MACHINE_FLAG_KVM)
+#define MACHINE_IS_P390         (machine_flags & MACHINE_FLAG_P390)
+#define MACHINE_HAS_DIAG9C      (machine_flags & MACHINE_FLAG_DIAG9C)
 
 #ifndef __s390x__
-#define MACHINE_HAS_IEEE        (machine_flags & 2)
-#define MACHINE_HAS_CSP         (machine_flags & 8)
+#define MACHINE_HAS_IEEE        (machine_flags & MACHINE_FLAG_IEEE)
+#define MACHINE_HAS_CSP         (machine_flags & MACHINE_FLAG_CSP)
+#define MACHINE_HAS_IDTE        (0)
 #define MACHINE_HAS_DIAG44      (1)
+#define MACHINE_HAS_MVPG        (machine_flags & MACHINE_FLAG_MVPG)
 #define MACHINE_HAS_MVCOS       (0)
+#define MACHINE_HAS_HPAGE       (0)
+#define MACHINE_HAS_PFMF        (0)
 #else /* __s390x__ */
 #define MACHINE_HAS_IEEE        (1)
 #define MACHINE_HAS_CSP         (1)
-#define MACHINE_HAS_DIAG44      (machine_flags & 32)
-#define MACHINE_HAS_MVCOS       (machine_flags & 512)
+#define MACHINE_HAS_IDTE        (machine_flags & MACHINE_FLAG_IDTE)
+#define MACHINE_HAS_DIAG44      (machine_flags & MACHINE_FLAG_DIAG44)
+#define MACHINE_HAS_MVPG        (1)
+#define MACHINE_HAS_MVCOS       (machine_flags & MACHINE_FLAG_MVCOS)
+#define MACHINE_HAS_HPAGE       (machine_flags & MACHINE_FLAG_HPAGE)
+#define MACHINE_HAS_PFMF        (machine_flags & MACHINE_FLAG_PFMF)
 #endif /* __s390x__ */
 
 #define MACHINE_HAS_SCLP        (!MACHINE_IS_P390)
diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h
index 6f3821a6a902..ae89cf2478fc 100644
--- a/include/asm-s390/smp.h
+++ b/include/asm-s390/smp.h
@@ -19,6 +19,7 @@
 #include <asm/lowcore.h>
 #include <asm/sigp.h>
 #include <asm/ptrace.h>
+#include <asm/system.h>
 
 /*
   s390 specific smp.c headers
@@ -53,10 +54,7 @@ extern void machine_power_off_smp(void);
 
 static inline __u16 hard_smp_processor_id(void)
 {
-        __u16 cpu_address;
- 
-        asm volatile("stap %0" : "=m" (cpu_address));
-        return cpu_address;
+        return stap();
 }
 
 /*
@@ -108,5 +106,11 @@ static inline void smp_send_stop(void)
 #define smp_cpu_not_running(cpu)        1
 #endif
 
+#ifdef CONFIG_HOTPLUG_CPU
+extern int smp_rescan_cpus(void);
+#else
+static inline int smp_rescan_cpus(void) { return 0; }
+#endif
+
 extern union save_area *zfcpdump_save_areas[NR_CPUS + 1];
 #endif
diff --git a/include/asm-s390/sparsemem.h b/include/asm-s390/sparsemem.h
new file mode 100644
index 000000000000..06dfdab6c0e8
--- /dev/null
+++ b/include/asm-s390/sparsemem.h
@@ -0,0 +1,18 @@
+#ifndef _ASM_S390_SPARSEMEM_H
+#define _ASM_S390_SPARSEMEM_H
+
+#define SECTION_SIZE_BITS       25
+
+#ifdef CONFIG_64BIT
+
+#define MAX_PHYSADDR_BITS       42
+#define MAX_PHYSMEM_BITS        42
+
+#else
+
+#define MAX_PHYSADDR_BITS       31
+#define MAX_PHYSMEM_BITS        31
+
+#endif /* CONFIG_64BIT */
+
+#endif /* _ASM_S390_SPARSEMEM_H */
diff --git a/include/asm-s390/sysinfo.h b/include/asm-s390/sysinfo.h
index abe10ae15e46..79d01343f8b0 100644
--- a/include/asm-s390/sysinfo.h
+++ b/include/asm-s390/sysinfo.h
@@ -11,6 +11,9 @@
  *               Christian Borntraeger <borntraeger@de.ibm.com>
  */
 
+#ifndef __ASM_S390_SYSINFO_H
+#define __ASM_S390_SYSINFO_H
+
 struct sysinfo_1_1_1 {
         char reserved_0[32];
         char manufacturer[16];
@@ -114,3 +117,5 @@ static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
                 : "cc", "memory");
         return r0;
 }
+
+#endif /* __ASM_S390_SYSINFO_H */
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index 92098df4d6e3..c819ae25a842 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -16,6 +16,7 @@
 #include <asm/ptrace.h>
 #include <asm/setup.h>
 #include <asm/processor.h>
+#include <asm/lowcore.h>
 
 #ifdef __KERNEL__
 
@@ -422,6 +423,23 @@ extern void smp_ctl_clear_bit(int cr, int bit);
 
 #endif /* CONFIG_SMP */
 
+static inline unsigned int stfl(void)
+{
+        asm volatile(
+                "       .insn   s,0xb2b10000,0(0)\n" /* stfl */
+                "0:\n"
+                EX_TABLE(0b,0b));
+        return S390_lowcore.stfl_fac_list;
+}
+
+static inline unsigned short stap(void)
+{
+        unsigned short cpu_address;
+
+        asm volatile("stap %0" : "=m" (cpu_address));
+        return cpu_address;
+}
+
 extern void (*_machine_restart)(char *command);
 extern void (*_machine_halt)(void);
 extern void (*_machine_power_off)(void);
diff --git a/include/asm-s390/thread_info.h b/include/asm-s390/thread_info.h
index 0a518915bf90..99bbed99a3b2 100644
--- a/include/asm-s390/thread_info.h
+++ b/include/asm-s390/thread_info.h
@@ -89,7 +89,6 @@ static inline struct thread_info *current_thread_info(void)
  * thread information flags bit numbers
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_RESTORE_SIGMASK     1       /* restore signal mask in do_signal() */
 #define TIF_SIGPENDING          2       /* signal pending */
 #define TIF_NEED_RESCHED        3       /* rescheduling necessary */
 #define TIF_RESTART_SVC         4       /* restart svc with new svc number */
@@ -101,6 +100,7 @@ static inline struct thread_info *current_thread_info(void)
                                            TIF_NEED_RESCHED */
 #define TIF_31BIT               18      /* 32bit process */ 
 #define TIF_MEMDIE              19
+#define TIF_RESTORE_SIGMASK     20      /* restore signal mask in do_signal() */
 
 #define _TIF_SYSCALL_TRACE      (1<<TIF_SYSCALL_TRACE)
 #define _TIF_RESTORE_SIGMASK    (1<<TIF_RESTORE_SIGMASK)
diff --git a/include/asm-s390/tlbflush.h b/include/asm-s390/tlbflush.h
index 9e57a93d7de1..d60394b9745e 100644
--- a/include/asm-s390/tlbflush.h
+++ b/include/asm-s390/tlbflush.h
@@ -2,6 +2,7 @@
 #define _S390_TLBFLUSH_H
 
 #include <linux/mm.h>
+#include <linux/sched.h>
 #include <asm/processor.h>
 #include <asm/pgalloc.h>
 
diff --git a/include/asm-s390/topology.h b/include/asm-s390/topology.h
index 8e97b06f298a..d96c91643458 100644
--- a/include/asm-s390/topology.h
+++ b/include/asm-s390/topology.h
@@ -7,6 +7,10 @@
 
 cpumask_t cpu_coregroup_map(unsigned int cpu);
 
+extern cpumask_t cpu_core_map[NR_CPUS];
+
+#define topology_core_siblings(cpu)     (cpu_core_map[cpu])
+
 int topology_set_cpu_management(int fc);
 void topology_schedule_update(void);
 
diff --git a/include/asm-sh/futex.h b/include/asm-sh/futex.h
index 74ed3681d33c..68256ec5fa35 100644
--- a/include/asm-sh/futex.h
+++ b/include/asm-sh/futex.h
@@ -4,8 +4,8 @@
 #ifdef __KERNEL__
 
 #include <linux/futex.h>
+#include <linux/uaccess.h>
 #include <asm/errno.h>
-#include <asm/uaccess.h>
 
 /* XXX: UP variants, fix for SH-4A and SMP.. */
 #include <asm/futex-irq.h>
diff --git a/include/asm-sparc/head.h b/include/asm-sparc/head.h
index fcdba5116339..e6532c3e09c9 100644
--- a/include/asm-sparc/head.h
+++ b/include/asm-sparc/head.h
@@ -52,6 +52,17 @@
         nop; \
         nop;
 
+#ifdef CONFIG_KGDB
+#define KGDB_TRAP(num) \
+        b kgdb_trap_low; \
+        rd %psr,%l0; \
+        nop; \
+        nop;
+#else
+#define KGDB_TRAP(num) \
+        BAD_TRAP(num)
+#endif
+
 /* The Get Condition Codes software trap for userland. */
 #define GETCC_TRAP \
         b getcc_trap_handler; mov %psr, %l0; nop; nop;
diff --git a/include/asm-sparc/kgdb.h b/include/asm-sparc/kgdb.h
index d120adfb429f..b6ef301d05bf 100644
--- a/include/asm-sparc/kgdb.h
+++ b/include/asm-sparc/kgdb.h
@@ -1,94 +1,38 @@
-/* $Id: kgdb.h,v 1.8 1998/01/07 06:33:44 baccala Exp $
- * kgdb.h: Defines and declarations for serial line source level
- *         remote debugging of the Linux kernel using gdb.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
 #ifndef _SPARC_KGDB_H
 #define _SPARC_KGDB_H
 
-#ifndef __ASSEMBLY__
-/* To init the kgdb engine. */
-extern void set_debug_traps(void);
-
-/* To enter the debugger explicitly. */
-extern void breakpoint(void);
-
-/* For convenience we define the format of a kgdb trap breakpoint
- * frame here also.
- */
-struct kgdb_frame {
-        unsigned long globals[8];
-        unsigned long outs[8];
-        unsigned long locals[8];
-        unsigned long ins[8];
-        unsigned long fpregs[32];
-        unsigned long y;
-        unsigned long psr;
-        unsigned long wim;
-        unsigned long tbr;
-        unsigned long pc;
-        unsigned long npc;
-        unsigned long fpsr;
-        unsigned long cpsr;
+#ifdef CONFIG_SPARC32
+#define BUFMAX                  2048
+#else
+#define BUFMAX                  4096
+#endif
+
+enum regnames {
+        GDB_G0, GDB_G1, GDB_G2, GDB_G3, GDB_G4, GDB_G5, GDB_G6, GDB_G7,
+        GDB_O0, GDB_O1, GDB_O2, GDB_O3, GDB_O4, GDB_O5, GDB_SP, GDB_O7,
+        GDB_L0, GDB_L1, GDB_L2, GDB_L3, GDB_L4, GDB_L5, GDB_L6, GDB_L7,
+        GDB_I0, GDB_I1, GDB_I2, GDB_I3, GDB_I4, GDB_I5, GDB_FP, GDB_I7,
+        GDB_F0,
+        GDB_F31 = GDB_F0 + 31,
+#ifdef CONFIG_SPARC32
+        GDB_Y, GDB_PSR, GDB_WIM, GDB_TBR, GDB_PC, GDB_NPC,
+        GDB_FSR, GDB_CSR,
+#else
+        GDB_F32 = GDB_F0 + 32,
+        GDB_F62 = GDB_F32 + 15,
+        GDB_PC, GDB_NPC, GDB_STATE, GDB_FSR, GDB_FPRS, GDB_Y,
+#endif
 };
-#endif /* !(__ASSEMBLY__) */
-
-/* Macros for assembly usage of the kgdb breakpoint frame. */
-#define KGDB_G0     0x000
-#define KGDB_G1     0x004
-#define KGDB_G2     0x008
-#define KGDB_G4     0x010
-#define KGDB_G6     0x018
-#define KGDB_I0     0x020
-#define KGDB_I2     0x028
-#define KGDB_I4     0x030
-#define KGDB_I6     0x038
-#define KGDB_Y      0x100
-#define KGDB_PSR    0x104
-#define KGDB_WIM    0x108
-#define KGDB_TBR    0x10c
-#define KGDB_PC     0x110
-#define KGDB_NPC    0x114
-
-#define SAVE_KGDB_GLOBALS(reg) \
-        std     %g0, [%reg + STACKFRAME_SZ + KGDB_G0]; \
-        std     %g2, [%reg + STACKFRAME_SZ + KGDB_G2]; \
-        std     %g4, [%reg + STACKFRAME_SZ + KGDB_G4]; \
-        std     %g6, [%reg + STACKFRAME_SZ + KGDB_G6];
-
-#define SAVE_KGDB_INS(reg) \
-        std     %i0, [%reg + STACKFRAME_SZ + KGDB_I0]; \
-        std     %i2, [%reg + STACKFRAME_SZ + KGDB_I2]; \
-        std     %i4, [%reg + STACKFRAME_SZ + KGDB_I4]; \
-        std     %i6, [%reg + STACKFRAME_SZ + KGDB_I6];
-
-#define SAVE_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
-        st      %reg_y, [%reg + STACKFRAME_SZ + KGDB_Y]; \
-        st      %reg_psr, [%reg + STACKFRAME_SZ + KGDB_PSR]; \
-        st      %reg_wim, [%reg + STACKFRAME_SZ + KGDB_WIM]; \
-        st      %reg_tbr, [%reg + STACKFRAME_SZ + KGDB_TBR]; \
-        st      %reg_pc, [%reg + STACKFRAME_SZ + KGDB_PC]; \
-        st      %reg_npc, [%reg + STACKFRAME_SZ + KGDB_NPC];
 
-#define LOAD_KGDB_GLOBALS(reg) \
-        ld      [%reg + STACKFRAME_SZ + KGDB_G1], %g1; \
-        ldd     [%reg + STACKFRAME_SZ + KGDB_G2], %g2; \
-        ldd     [%reg + STACKFRAME_SZ + KGDB_G4], %g4; \
-        ldd     [%reg + STACKFRAME_SZ + KGDB_G6], %g6;
+#ifdef CONFIG_SPARC32
+#define NUMREGBYTES             ((GDB_CSR + 1) * 4)
+#else
+#define NUMREGBYTES             ((GDB_Y + 1) * 8)
+#endif
 
-#define LOAD_KGDB_INS(reg) \
-        ldd     [%reg + STACKFRAME_SZ + KGDB_I0], %i0; \
-        ldd     [%reg + STACKFRAME_SZ + KGDB_I2], %i2; \
-        ldd     [%reg + STACKFRAME_SZ + KGDB_I4], %i4; \
-        ldd     [%reg + STACKFRAME_SZ + KGDB_I6], %i6;
+extern void arch_kgdb_breakpoint(void);
 
-#define LOAD_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
-        ld      [%reg + STACKFRAME_SZ + KGDB_Y], %reg_y; \
-        ld      [%reg + STACKFRAME_SZ + KGDB_PSR], %reg_psr; \
-        ld      [%reg + STACKFRAME_SZ + KGDB_WIM], %reg_wim; \
-        ld      [%reg + STACKFRAME_SZ + KGDB_TBR], %reg_tbr; \
-        ld      [%reg + STACKFRAME_SZ + KGDB_PC], %reg_pc; \
-        ld      [%reg + STACKFRAME_SZ + KGDB_NPC], %reg_npc;
+#define BREAK_INSTR_SIZE        4
+#define CACHE_FLUSH_IS_SAFE     1
 
-#endif /* !(_SPARC_KGDB_H) */
+#endif /* _SPARC_KGDB_H */
diff --git a/include/asm-sparc/smp.h b/include/asm-sparc/smp.h
index b3f492208fd2..e6d561599726 100644
--- a/include/asm-sparc/smp.h
+++ b/include/asm-sparc/smp.h
@@ -51,13 +51,11 @@ void smp_bogo(struct seq_file *);
 void smp_info(struct seq_file *);
 
 BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long)
-BTFIXUPDEF_CALL(void, smp_message_pass, int, int, unsigned long, int)
 BTFIXUPDEF_CALL(int, __hard_smp_processor_id, void)
 BTFIXUPDEF_BLACKBOX(hard_smp_processor_id)
 BTFIXUPDEF_BLACKBOX(load_current)
 
 #define smp_cross_call(func,arg1,arg2,arg3,arg4,arg5) BTFIXUP_CALL(smp_cross_call)(func,arg1,arg2,arg3,arg4,arg5)
-#define smp_message_pass(target,msg,data,wait) BTFIXUP_CALL(smp_message_pass)(target,msg,data,wait)
 
 static inline void xc0(smpfunc_t func) { smp_cross_call(func, 0, 0, 0, 0, 0); }
 static inline void xc1(smpfunc_t func, unsigned long arg1)
diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h
index 4e08210cd4c2..b4b024445fc9 100644
--- a/include/asm-sparc/system.h
+++ b/include/asm-sparc/system.h
@@ -94,6 +94,8 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
         } while(0)
 #endif
 
+extern void flushw_all(void);
+
 /*
  * Flush windows so that the VM switch which follows
  * would not pull the stack from under us.
diff --git a/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h
index df1097d6ffbe..d8378935ae90 100644
--- a/include/asm-sparc64/futex.h
+++ b/include/asm-sparc64/futex.h
@@ -2,9 +2,9 @@
 #define _SPARC64_FUTEX_H
 
 #include <linux/futex.h>
+#include <linux/uaccess.h>
 #include <asm/errno.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 
 #define __futex_cas_op(insn, ret, oldval, uaddr, oparg) \
         __asm__ __volatile__(                           \
diff --git a/include/asm-sparc64/kgdb.h b/include/asm-sparc64/kgdb.h
new file mode 100644
index 000000000000..aa6532fd3a13
--- /dev/null
+++ b/include/asm-sparc64/kgdb.h
@@ -0,0 +1 @@
+#include <asm-sparc/kgdb.h>
diff --git a/include/asm-sparc64/pil.h b/include/asm-sparc64/pil.h
index 72927749aebf..2f5d126f7163 100644
--- a/include/asm-sparc64/pil.h
+++ b/include/asm-sparc64/pil.h
@@ -19,11 +19,4 @@
 #define PIL_SMP_CTX_NEW_VERSION 4
 #define PIL_DEVICE_IRQ          5
 
-#ifndef __ASSEMBLY__
-#define PIL_RESERVED(PIL)       ((PIL) == PIL_SMP_CALL_FUNC || \
-                                 (PIL) == PIL_SMP_RECEIVE_SIGNAL || \
-                                 (PIL) == PIL_SMP_CAPTURE || \
-                                 (PIL) == PIL_SMP_CTX_NEW_VERSION)
-#endif
-
 #endif /* !(_SPARC64_PIL_H) */
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index 53eae091a171..6897ac31be41 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -180,12 +180,13 @@ do {	if (test_thread_flag(TIF_PERFCTR)) {				\
         "ldx    [%%sp + 2047 + 0x70], %%i6\n\t"                         \
         "ldx    [%%sp + 2047 + 0x78], %%i7\n\t"                         \
         "ldx    [%%g6 + %9], %%g4\n\t"                                  \
-        "brz,pt %%o7, 1f\n\t"                                           \
+        "brz,pt %%o7, switch_to_pc\n\t"                                 \
         " mov   %%g7, %0\n\t"                                           \
         "sethi  %%hi(ret_from_syscall), %%g1\n\t"                       \
         "jmpl   %%g1 + %%lo(ret_from_syscall), %%g0\n\t"                \
         " nop\n\t"                                                      \
-        "1:\n\t"                                                        \
+        ".globl switch_to_pc\n\t"                                       \
+        "switch_to_pc:\n\t"                                             \
         : "=&r" (last), "=r" (current), "=r" (current_thread_info_reg), \
           "=r" (__local_per_cpu_offset)                                 \
         : "0" (task_thread_info(next)),                                 \
diff --git a/include/asm-sparc64/ttable.h b/include/asm-sparc64/ttable.h
index d3cc4eff39a6..1b55538b944f 100644
--- a/include/asm-sparc64/ttable.h
+++ b/include/asm-sparc64/ttable.h
@@ -175,6 +175,12 @@
 #define KPROBES_TRAP(lvl) TRAP_ARG(bad_trap, lvl)
 #endif
 
+#ifdef CONFIG_KGDB
+#define KGDB_TRAP(lvl) TRAP_IRQ(kgdb_trap, lvl)
+#else
+#define KGDB_TRAP(lvl) TRAP_ARG(bad_trap, lvl)
+#endif
+
 #define SUN4V_ITSB_MISS                                 \
         ldxa    [%g0] ASI_SCRATCHPAD, %g2;              \
         ldx     [%g2 + HV_FAULT_I_ADDR_OFFSET], %g4;    \
diff --git a/include/asm-x86/futex.h b/include/asm-x86/futex.h
index ac0fbf24d722..e7a76b37b333 100644
--- a/include/asm-x86/futex.h
+++ b/include/asm-x86/futex.h
@@ -4,12 +4,12 @@
 #ifdef __KERNEL__
 
 #include <linux/futex.h>
+#include <linux/uaccess.h>
 
 #include <asm/asm.h>
 #include <asm/errno.h>
 #include <asm/processor.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 
 #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg)     \
         asm volatile("1:\t" insn "\n"                           \
diff --git a/include/asm-x86/thread_info_32.h b/include/asm-x86/thread_info_32.h
index 531859962096..b6338829d1a8 100644
--- a/include/asm-x86/thread_info_32.h
+++ b/include/asm-x86/thread_info_32.h
@@ -131,7 +131,6 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SYSCALL_EMU         5       /* syscall emulation active */
 #define TIF_SYSCALL_AUDIT       6       /* syscall auditing active */
 #define TIF_SECCOMP             7       /* secure computing */
-#define TIF_RESTORE_SIGMASK     8       /* restore signal mask in do_signal() */
 #define TIF_HRTICK_RESCHED      9       /* reprogram hrtick timer */
 #define TIF_MEMDIE              16
 #define TIF_DEBUG               17      /* uses debug registers */
@@ -151,7 +150,6 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_SYSCALL_EMU        (1 << TIF_SYSCALL_EMU)
 #define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP            (1 << TIF_SECCOMP)
-#define _TIF_RESTORE_SIGMASK    (1 << TIF_RESTORE_SIGMASK)
 #define _TIF_HRTICK_RESCHED     (1 << TIF_HRTICK_RESCHED)
 #define _TIF_DEBUG              (1 << TIF_DEBUG)
 #define _TIF_IO_BITMAP          (1 << TIF_IO_BITMAP)
@@ -188,9 +186,20 @@ static inline struct thread_info *current_thread_info(void)
                                            this quantum (SMP) */
 #define TS_POLLING              0x0002  /* True if in idle loop
                                            and not sleeping */
+#define TS_RESTORE_SIGMASK      0x0004  /* restore signal mask in do_signal() */
 
 #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING)
 
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK        1
+static inline void set_restore_sigmask(void)
+{
+        struct thread_info *ti = current_thread_info();
+        ti->status |= TS_RESTORE_SIGMASK;
+        set_bit(TIF_SIGPENDING, &ti->flags);
+}
+#endif  /* !__ASSEMBLY__ */
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_THREAD_INFO_H */
diff --git a/include/asm-x86/thread_info_64.h b/include/asm-x86/thread_info_64.h
index ed664e874dec..cb69f70abba1 100644
--- a/include/asm-x86/thread_info_64.h
+++ b/include/asm-x86/thread_info_64.h
@@ -109,7 +109,6 @@ static inline struct thread_info *stack_thread_info(void)
 #define TIF_IRET                5       /* force IRET */
 #define TIF_SYSCALL_AUDIT       7       /* syscall auditing active */
 #define TIF_SECCOMP             8       /* secure computing */
-#define TIF_RESTORE_SIGMASK     9       /* restore signal mask in do_signal */
 #define TIF_MCE_NOTIFY          10      /* notify userspace of an MCE */
 #define TIF_HRTICK_RESCHED      11      /* reprogram hrtick timer */
 /* 16 free */
@@ -133,7 +132,6 @@ static inline struct thread_info *stack_thread_info(void)
 #define _TIF_IRET               (1 << TIF_IRET)
 #define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP            (1 << TIF_SECCOMP)
-#define _TIF_RESTORE_SIGMASK    (1 << TIF_RESTORE_SIGMASK)
 #define _TIF_MCE_NOTIFY         (1 << TIF_MCE_NOTIFY)
 #define _TIF_HRTICK_RESCHED     (1 << TIF_HRTICK_RESCHED)
 #define _TIF_IA32               (1 << TIF_IA32)
@@ -178,9 +176,20 @@ static inline struct thread_info *stack_thread_info(void)
 #define TS_COMPAT               0x0002  /* 32bit syscall active */
 #define TS_POLLING              0x0004  /* true if in idle loop
                                            and not sleeping */
+#define TS_RESTORE_SIGMASK      0x0008  /* restore signal mask in do_signal() */
 
 #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING)
 
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK        1
+static inline void set_restore_sigmask(void)
+{
+        struct thread_info *ti = current_thread_info();
+        ti->status |= TS_RESTORE_SIGMASK;
+        set_bit(TIF_SIGPENDING, &ti->flags);
+}
+#endif  /* !__ASSEMBLY__ */
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_THREAD_INFO_H */
diff --git a/include/linux/agp_backend.h b/include/linux/agp_backend.h
index 03e34547d489..661d90d6cf7c 100644
--- a/include/linux/agp_backend.h
+++ b/include/linux/agp_backend.h
@@ -30,8 +30,6 @@
 #ifndef _AGP_BACKEND_H
 #define _AGP_BACKEND_H 1
 
-#ifdef __KERNEL__
-
 #ifndef TRUE
 #define TRUE 1
 #endif
@@ -111,5 +109,4 @@ extern struct agp_bridge_data *agp_backend_acquire(struct pci_dev *);
 extern void agp_backend_release(struct agp_bridge_data *);
 extern void agp_flush_chipset(struct agp_bridge_data *);
 
-#endif                          /* __KERNEL__ */
 #endif                          /* _AGP_BACKEND_H */
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index b66fa2bdfd9c..0a24d5550eb3 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -11,9 +11,13 @@
 #include <linux/percpu_counter.h>
 #include <linux/log2.h>
 #include <linux/proportions.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
 #include <asm/atomic.h>
 
 struct page;
+struct device;
+struct dentry;
 
 /*
  * Bits in backing_dev_info.state
@@ -48,11 +52,26 @@ struct backing_dev_info {
 
         struct prop_local_percpu completions;
         int dirty_exceeded;
+
+        unsigned int min_ratio;
+        unsigned int max_ratio, max_prop_frac;
+
+        struct device *dev;
+
+#ifdef CONFIG_DEBUG_FS
+        struct dentry *debug_dir;
+        struct dentry *debug_stats;
+#endif
 };
 
 int bdi_init(struct backing_dev_info *bdi);
 void bdi_destroy(struct backing_dev_info *bdi);
 
+int bdi_register(struct backing_dev_info *bdi, struct device *parent,
+                const char *fmt, ...);
+int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);
+void bdi_unregister(struct backing_dev_info *bdi);
+
 static inline void __add_bdi_stat(struct backing_dev_info *bdi,
                 enum bdi_stat_item item, s64 amount)
 {
@@ -116,6 +135,8 @@ static inline s64 bdi_stat_sum(struct backing_dev_info *bdi,
         return sum;
 }
 
+extern void bdi_writeout_inc(struct backing_dev_info *bdi);
+
 /*
  * maximal error of a stat counter.
  */
@@ -128,24 +149,48 @@ static inline unsigned long bdi_stat_error(struct backing_dev_info *bdi)
 #endif
 }
 
+int bdi_set_min_ratio(struct backing_dev_info *bdi, unsigned int min_ratio);
+int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio);
+
 /*
  * Flags in backing_dev_info::capability
- * - The first two flags control whether dirty pages will contribute to the
- *   VM's accounting and whether writepages() should be called for dirty pages
- *   (something that would not, for example, be appropriate for ramfs)
- * - These flags let !MMU mmap() govern direct device mapping vs immediate
- *   copying more easily for MAP_PRIVATE, especially for ROM filesystems
+ *
+ * The first three flags control whether dirty pages will contribute to the
+ * VM's accounting and whether writepages() should be called for dirty pages
+ * (something that would not, for example, be appropriate for ramfs)
+ *
+ * WARNING: these flags are closely related and should not normally be
+ * used separately.  The BDI_CAP_NO_ACCT_AND_WRITEBACK combines these
+ * three flags into a single convenience macro.
+ *
+ * BDI_CAP_NO_ACCT_DIRTY:  Dirty pages shouldn't contribute to accounting
+ * BDI_CAP_NO_WRITEBACK:   Don't write pages back
+ * BDI_CAP_NO_ACCT_WB:     Don't automatically account writeback pages
+ *
+ * These flags let !MMU mmap() govern direct device mapping vs immediate
+ * copying more easily for MAP_PRIVATE, especially for ROM filesystems.
+ *
+ * BDI_CAP_MAP_COPY:       Copy can be mapped (MAP_PRIVATE)
+ * BDI_CAP_MAP_DIRECT:     Can be mapped directly (MAP_SHARED)
+ * BDI_CAP_READ_MAP:       Can be mapped for reading
+ * BDI_CAP_WRITE_MAP:      Can be mapped for writing
+ * BDI_CAP_EXEC_MAP:       Can be mapped for execution
  */
-#define BDI_CAP_NO_ACCT_DIRTY   0x00000001      /* Dirty pages shouldn't contribute to accounting */
-#define BDI_CAP_NO_WRITEBACK    0x00000002      /* Don't write pages back */
-#define BDI_CAP_MAP_COPY        0x00000004      /* Copy can be mapped (MAP_PRIVATE) */
-#define BDI_CAP_MAP_DIRECT      0x00000008      /* Can be mapped directly (MAP_SHARED) */
-#define BDI_CAP_READ_MAP        0x00000010      /* Can be mapped for reading */
-#define BDI_CAP_WRITE_MAP       0x00000020      /* Can be mapped for writing */
-#define BDI_CAP_EXEC_MAP        0x00000040      /* Can be mapped for execution */
+#define BDI_CAP_NO_ACCT_DIRTY   0x00000001
+#define BDI_CAP_NO_WRITEBACK    0x00000002
+#define BDI_CAP_MAP_COPY        0x00000004
+#define BDI_CAP_MAP_DIRECT      0x00000008
+#define BDI_CAP_READ_MAP        0x00000010
+#define BDI_CAP_WRITE_MAP       0x00000020
+#define BDI_CAP_EXEC_MAP        0x00000040
+#define BDI_CAP_NO_ACCT_WB      0x00000080
+
 #define BDI_CAP_VMFLAGS \
         (BDI_CAP_READ_MAP | BDI_CAP_WRITE_MAP | BDI_CAP_EXEC_MAP)
 
+#define BDI_CAP_NO_ACCT_AND_WRITEBACK \
+        (BDI_CAP_NO_WRITEBACK | BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_ACCT_WB)
+
 #if defined(VM_MAYREAD) && \
         (BDI_CAP_READ_MAP != VM_MAYREAD || \
          BDI_CAP_WRITE_MAP != VM_MAYWRITE || \
@@ -185,17 +230,32 @@ void clear_bdi_congested(struct backing_dev_info *bdi, int rw);
 void set_bdi_congested(struct backing_dev_info *bdi, int rw);
 long congestion_wait(int rw, long timeout);
 
-#define bdi_cap_writeback_dirty(bdi) \
-        (!((bdi)->capabilities & BDI_CAP_NO_WRITEBACK))
 
-#define bdi_cap_account_dirty(bdi) \
-        (!((bdi)->capabilities & BDI_CAP_NO_ACCT_DIRTY))
+static inline bool bdi_cap_writeback_dirty(struct backing_dev_info *bdi)
+{
+        return !(bdi->capabilities & BDI_CAP_NO_WRITEBACK);
+}
+
+static inline bool bdi_cap_account_dirty(struct backing_dev_info *bdi)
+{
+        return !(bdi->capabilities & BDI_CAP_NO_ACCT_DIRTY);
+}
 
-#define mapping_cap_writeback_dirty(mapping) \
-        bdi_cap_writeback_dirty((mapping)->backing_dev_info)
+static inline bool bdi_cap_account_writeback(struct backing_dev_info *bdi)
+{
+        /* Paranoia: BDI_CAP_NO_WRITEBACK implies BDI_CAP_NO_ACCT_WB */
+        return !(bdi->capabilities & (BDI_CAP_NO_ACCT_WB |
+                                      BDI_CAP_NO_WRITEBACK));
+}
 
-#define mapping_cap_account_dirty(mapping) \
-        bdi_cap_account_dirty((mapping)->backing_dev_info)
+static inline bool mapping_cap_writeback_dirty(struct address_space *mapping)
+{
+        return bdi_cap_writeback_dirty(mapping->backing_dev_info);
+}
 
+static inline bool mapping_cap_account_dirty(struct address_space *mapping)
+{
+        return bdi_cap_account_dirty(mapping->backing_dev_info);
+}
 
 #endif          /* _LINUX_BACKING_DEV_H */
diff --git a/include/linux/byteorder/Kbuild b/include/linux/byteorder/Kbuild
index 79bedddfd9ca..1133d5f9d818 100644
--- a/include/linux/byteorder/Kbuild
+++ b/include/linux/byteorder/Kbuild
@@ -1,5 +1,3 @@
-header-y += big_endian.h
-header-y += little_endian.h
-
-unifdef-y += generic.h
+unifdef-y += big_endian.h
+unifdef-y += little_endian.h
 unifdef-y += swab.h
diff --git a/include/linux/byteorder/big_endian.h b/include/linux/byteorder/big_endian.h
index bef87891cb24..961ed4b48d8e 100644
--- a/include/linux/byteorder/big_endian.h
+++ b/include/linux/byteorder/big_endian.h
@@ -101,6 +101,8 @@ static inline __u16 __be16_to_cpup(const __be16 *p)
 #define __cpu_to_be16s(x) do {} while (0)
 #define __be16_to_cpus(x) do {} while (0)
 
+#ifdef __KERNEL__
 #include <linux/byteorder/generic.h>
+#endif
 
 #endif /* _LINUX_BYTEORDER_BIG_ENDIAN_H */
diff --git a/include/linux/byteorder/generic.h b/include/linux/byteorder/generic.h
index d3771551fdd9..0846e6b931ce 100644
--- a/include/linux/byteorder/generic.h
+++ b/include/linux/byteorder/generic.h
@@ -82,12 +82,6 @@
  *
  */
 
-
-#if defined(__KERNEL__)
-/*
- * inside the kernel, we can use nicknames;
- * outside of it, we must avoid POSIX namespace pollution...
- */
 #define cpu_to_le64 __cpu_to_le64
 #define le64_to_cpu __le64_to_cpu
 #define cpu_to_le32 __cpu_to_le32
@@ -176,6 +170,4 @@ static inline void be64_add_cpu(__be64 *var, u64 val)
         *var = cpu_to_be64(be64_to_cpu(*var) + val);
 }
 
-#endif /* KERNEL */
-
 #endif /* _LINUX_BYTEORDER_GENERIC_H */
diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
index 86e62b750176..05dc7c35b3b2 100644
--- a/include/linux/byteorder/little_endian.h
+++ b/include/linux/byteorder/little_endian.h
@@ -101,6 +101,8 @@ static inline __u16 __be16_to_cpup(const __be16 *p)
 #define __cpu_to_be16s(x) __swab16s((x))
 #define __be16_to_cpus(x) __swab16s((x))
 
+#ifdef __KERNEL__
 #include <linux/byteorder/generic.h>
+#endif
 
 #endif /* _LINUX_BYTEORDER_LITTLE_ENDIAN_H */
diff --git a/include/linux/cdev.h b/include/linux/cdev.h
index 1e29b13d0062..fb4591977b03 100644
--- a/include/linux/cdev.h
+++ b/include/linux/cdev.h
@@ -1,6 +1,5 @@
 #ifndef _LINUX_CDEV_H
 #define _LINUX_CDEV_H
-#ifdef __KERNEL__
 
 #include <linux/kobject.h>
 #include <linux/kdev_t.h>
@@ -34,4 +33,3 @@ void cd_forget(struct inode *);
 extern struct backing_dev_info directly_mappable_cdev_bdi;
 
 #endif
-#endif
diff --git a/include/linux/coda_fs_i.h b/include/linux/coda_fs_i.h
index 424fe9cf02c4..b3ef0c461578 100644
--- a/include/linux/coda_fs_i.h
+++ b/include/linux/coda_fs_i.h
@@ -8,7 +8,6 @@
 #ifndef _LINUX_CODA_FS_I
 #define _LINUX_CODA_FS_I
 
-#ifdef __KERNEL__
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/coda.h>
@@ -52,4 +51,3 @@ struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);
 void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);
 
 #endif
-#endif
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index b2fd7547b58d..5c8351b859f0 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -29,10 +29,11 @@
   BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0])))
 
 /*
- * Force always-inline if the user requests it so via the .config:
+ * Force always-inline if the user requests it so via the .config,
+ * or if gcc is too old:
  */
 #if !defined(CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING) || \
-    !defined(CONFIG_OPTIMIZE_INLINING) && (__GNUC__ >= 4)
+    !defined(CONFIG_OPTIMIZE_INLINING) || (__GNUC__ < 4)
 # define inline         inline          __attribute__((always_inline))
 # define __inline__     __inline__      __attribute__((always_inline))
 # define __inline       __inline        __attribute__((always_inline))
diff --git a/include/linux/concap.h b/include/linux/concap.h
index 27304651d700..977acb3d1fb2 100644
--- a/include/linux/concap.h
+++ b/include/linux/concap.h
@@ -8,7 +8,7 @@
 
 #ifndef _LINUX_CONCAP_H
 #define _LINUX_CONCAP_H
-#ifdef __KERNEL__
+
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 
@@ -110,4 +110,3 @@ extern int concap_nop(struct concap_proto *cprot);
  */
 extern int concap_drop_skb(struct concap_proto *cprot, struct sk_buff *skb);
 #endif
-#endif
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index 4b287ad9371a..3ae65b1bf90f 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -35,8 +35,6 @@
 #ifndef _CONFIGFS_H_
 #define _CONFIGFS_H_
 
-#ifdef __KERNEL__
-
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/list.h>
@@ -194,6 +192,4 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys);
 int configfs_depend_item(struct configfs_subsystem *subsys, struct config_item *target);
 void configfs_undepend_item(struct configfs_subsystem *subsys, struct config_item *target);
 
-#endif  /* __KERNEL__ */
-
 #endif /* _CONFIGFS_H_ */
diff --git a/include/linux/console.h b/include/linux/console.h
index a5f88a6a259d..a4f27fbdf549 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -91,6 +91,7 @@ void give_up_console(const struct consw *sw);
 #define CON_ENABLED     (4)
 #define CON_BOOT        (8)
 #define CON_ANYTIME     (16) /* Safe to call when cpu is offline */
+#define CON_BRL         (32) /* Used for a braille device */
 
 struct console {
         char    name[16];
@@ -121,6 +122,9 @@ extern struct tty_driver *console_device(int *);
 extern void console_stop(struct console *);
 extern void console_start(struct console *);
 extern int is_console_locked(void);
+extern int braille_register_console(struct console *, int index,
+                char *console_options, char *braille_options);
+extern int braille_unregister_console(struct console *);
 
 extern int console_suspend_enabled;
 
diff --git a/include/linux/crc-ccitt.h b/include/linux/crc-ccitt.h
index 90037617da8f..f52696a1ff0d 100644
--- a/include/linux/crc-ccitt.h
+++ b/include/linux/crc-ccitt.h
@@ -1,6 +1,5 @@
 #ifndef _LINUX_CRC_CCITT_H
 #define _LINUX_CRC_CCITT_H
-#ifdef __KERNEL__
 
 #include <linux/types.h>
 
@@ -13,5 +12,4 @@ static inline u16 crc_ccitt_byte(u16 crc, const u8 c)
         return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
 }
 
-#endif /* __KERNEL__ */
 #endif /* _LINUX_CRC_CCITT_H */
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index cfb1627ac51c..2a6639407c80 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -1,8 +1,6 @@
 #ifndef __LINUX_DCACHE_H
 #define __LINUX_DCACHE_H
 
-#ifdef __KERNEL__
-
 #include <asm/atomic.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
@@ -365,6 +363,4 @@ extern struct dentry *lookup_create(struct nameidata *nd, int is_dir);
 
 extern int sysctl_vfs_cache_pressure;
 
-#endif /* __KERNEL__ */
-
 #endif  /* __LINUX_DCACHE_H */
diff --git a/include/linux/debugobjects.h b/include/linux/debugobjects.h
new file mode 100644
index 000000000000..8c243aaa86a7
--- /dev/null
+++ b/include/linux/debugobjects.h
@@ -0,0 +1,90 @@
+#ifndef _LINUX_DEBUGOBJECTS_H
+#define _LINUX_DEBUGOBJECTS_H
+
+#include <linux/list.h>
+#include <linux/spinlock.h>
+
+enum debug_obj_state {
+        ODEBUG_STATE_NONE,
+        ODEBUG_STATE_INIT,
+        ODEBUG_STATE_INACTIVE,
+        ODEBUG_STATE_ACTIVE,
+        ODEBUG_STATE_DESTROYED,
+        ODEBUG_STATE_NOTAVAILABLE,
+        ODEBUG_STATE_MAX,
+};
+
+struct debug_obj_descr;
+
+/**
+ * struct debug_obj - representaion of an tracked object
+ * @node:       hlist node to link the object into the tracker list
+ * @state:      tracked object state
+ * @object:     pointer to the real object
+ * @descr:      pointer to an object type specific debug description structure
+ */
+struct debug_obj {
+        struct hlist_node       node;
+        enum debug_obj_state    state;
+        void                    *object;
+        struct debug_obj_descr  *descr;
+};
+
+/**
+ * struct debug_obj_descr - object type specific debug description structure
+ * @name:               name of the object typee
+ * @fixup_init:         fixup function, which is called when the init check
+ *                      fails
+ * @fixup_activate:     fixup function, which is called when the activate check
+ *                      fails
+ * @fixup_destroy:      fixup function, which is called when the destroy check
+ *                      fails
+ * @fixup_free:         fixup function, which is called when the free check
+ *                      fails
+ */
+struct debug_obj_descr {
+        const char              *name;
+
+        int (*fixup_init)       (void *addr, enum debug_obj_state state);
+        int (*fixup_activate)   (void *addr, enum debug_obj_state state);
+        int (*fixup_destroy)    (void *addr, enum debug_obj_state state);
+        int (*fixup_free)       (void *addr, enum debug_obj_state state);
+};
+
+#ifdef CONFIG_DEBUG_OBJECTS
+extern void debug_object_init      (void *addr, struct debug_obj_descr *descr);
+extern void
+debug_object_init_on_stack(void *addr, struct debug_obj_descr *descr);
+extern void debug_object_activate  (void *addr, struct debug_obj_descr *descr);
+extern void debug_object_deactivate(void *addr, struct debug_obj_descr *descr);
+extern void debug_object_destroy   (void *addr, struct debug_obj_descr *descr);
+extern void debug_object_free      (void *addr, struct debug_obj_descr *descr);
+
+extern void debug_objects_early_init(void);
+extern void debug_objects_mem_init(void);
+#else
+static inline void
+debug_object_init      (void *addr, struct debug_obj_descr *descr) { }
+static inline void
+debug_object_init_on_stack(void *addr, struct debug_obj_descr *descr) { }
+static inline void
+debug_object_activate  (void *addr, struct debug_obj_descr *descr) { }
+static inline void
+debug_object_deactivate(void *addr, struct debug_obj_descr *descr) { }
+static inline void
+debug_object_destroy   (void *addr, struct debug_obj_descr *descr) { }
+static inline void
+debug_object_free      (void *addr, struct debug_obj_descr *descr) { }
+
+static inline void debug_objects_early_init(void) { }
+static inline void debug_objects_mem_init(void) { }
+#endif
+
+#ifdef CONFIG_DEBUG_OBJECTS_FREE
+extern void debug_check_no_obj_freed(const void *address, unsigned long size);
+#else
+static inline void
+debug_check_no_obj_freed(const void *address, unsigned long size) { }
+#endif
+
+#endif
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index ad3b787479a4..0d8d419d191a 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -8,8 +8,6 @@
 #ifndef _LINUX_DEVICE_MAPPER_H
 #define _LINUX_DEVICE_MAPPER_H
 
-#ifdef __KERNEL__
-
 #include <linux/bio.h>
 
 struct dm_target;
@@ -344,5 +342,4 @@ static inline unsigned long to_bytes(sector_t n)
         return (n << SECTOR_SHIFT);
 }
 
-#endif  /* __KERNEL__ */
 #endif  /* _LINUX_DEVICE_MAPPER_H */
diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h
index b672ddc00735..154769cad3f3 100644
--- a/include/linux/devpts_fs.h
+++ b/include/linux/devpts_fs.h
@@ -17,6 +17,8 @@
 
 #ifdef CONFIG_UNIX98_PTYS
 
+int devpts_new_index(void);
+void devpts_kill_index(int idx);
 int devpts_pty_new(struct tty_struct *tty);      /* mknod in devpts */
 struct tty_struct *devpts_get_tty(int number);   /* get tty structure */
 void devpts_pty_kill(int number);                /* unlink */
@@ -24,6 +26,8 @@ void devpts_pty_kill(int number);		 /* unlink */
 #else
 
 /* Dummy stubs in the no-pty case */
+static inline int devpts_new_index(void) { return -EINVAL; }
+static inline void devpts_kill_index(int idx) { }
 static inline int devpts_pty_new(struct tty_struct *tty) { return -EINVAL; }
 static inline struct tty_struct *devpts_get_tty(int number) { return NULL; }
 static inline void devpts_pty_kill(int number) { }
diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h
index b489fc6d0b62..a701399b7fed 100644
--- a/include/linux/eventfd.h
+++ b/include/linux/eventfd.h
@@ -8,9 +8,6 @@
 #ifndef _LINUX_EVENTFD_H
 #define _LINUX_EVENTFD_H
 
-
-#ifdef __KERNEL__
-
 #ifdef CONFIG_EVENTFD
 
 struct file *eventfd_fget(int fd);
@@ -24,7 +21,5 @@ static inline int eventfd_signal(struct file *file, int n)
 
 #endif /* CONFIG_EVENTFD */
 
-#endif /* __KERNEL__ */
-
 #endif /* _LINUX_EVENTFD_H */
 
diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index 2cad5c67397e..c415a496de3a 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -14,7 +14,6 @@
  * option) any later version.
  */
 
-#ifdef __KERNEL__
 #ifndef _FSL_DEVICE_H_
 #define _FSL_DEVICE_H_
 
@@ -127,4 +126,3 @@ struct mpc8xx_pcmcia_ops {
 };
 
 #endif /* _FSL_DEVICE_H_ */
-#endif /* __KERNEL__ */
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index d4b7c4ac72e6..a89513188ce7 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -11,8 +11,6 @@
  * (C) Copyright 2005 Robert Love
  */
 
-#ifdef __KERNEL__
-
 #include <linux/dnotify.h>
 #include <linux/inotify.h>
 #include <linux/audit.h>
@@ -296,6 +294,4 @@ static inline void fsnotify_oldname_free(const char *old_name)
 
 #endif  /* ! CONFIG_INOTIFY */
 
-#endif  /* __KERNEL__ */
-
 #endif  /* _LINUX_FS_NOTIFY_H */
diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h
index 5412da28fa47..110833666e37 100644
--- a/include/linux/generic_serial.h
+++ b/include/linux/generic_serial.h
@@ -78,7 +78,7 @@ struct gs_port {
 #define GS_DEBUG_WRITE   0x00000040
 
 #ifdef __KERNEL__
-void gs_put_char(struct tty_struct *tty, unsigned char ch);
+int gs_put_char(struct tty_struct *tty, unsigned char ch);
 int  gs_write(struct tty_struct *tty, 
              const unsigned char *buf, int count);
 int  gs_write_room(struct tty_struct *tty);
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 56f3236da829..31a4d653389f 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -266,6 +266,21 @@ extern ktime_t ktime_get_real(void);
 extern void hrtimer_init(struct hrtimer *timer, clockid_t which_clock,
                          enum hrtimer_mode mode);
 
+#ifdef CONFIG_DEBUG_OBJECTS_TIMERS
+extern void hrtimer_init_on_stack(struct hrtimer *timer, clockid_t which_clock,
+                                  enum hrtimer_mode mode);
+
+extern void destroy_hrtimer_on_stack(struct hrtimer *timer);
+#else
+static inline void hrtimer_init_on_stack(struct hrtimer *timer,
+                                         clockid_t which_clock,
+                                         enum hrtimer_mode mode)
+{
+        hrtimer_init(timer, which_clock, mode);
+}
+static inline void destroy_hrtimer_on_stack(struct hrtimer *timer) { }
+#endif
+
 /* Basic timer operations: */
 extern int hrtimer_start(struct hrtimer *timer, ktime_t tim,
                          const enum hrtimer_mode mode);
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h
index 85d11916e9ea..7244456e7e65 100644
--- a/include/linux/hw_random.h
+++ b/include/linux/hw_random.h
@@ -11,7 +11,6 @@
 
 #ifndef LINUX_HWRANDOM_H_
 #define LINUX_HWRANDOM_H_
-#ifdef __KERNEL__
 
 #include <linux/types.h>
 #include <linux/list.h>
@@ -46,5 +45,4 @@ extern int hwrng_register(struct hwrng *rng);
 /** Unregister a Hardware Random Number Generator driver. */
 extern void hwrng_unregister(struct hwrng *rng);
 
-#endif /* __KERNEL__ */
 #endif /* LINUX_HWRANDOM_H_ */
diff --git a/include/linux/i2o.h b/include/linux/i2o.h
index f65e58a1d925..7d51cbca49ab 100644
--- a/include/linux/i2o.h
+++ b/include/linux/i2o.h
@@ -18,8 +18,6 @@
 #ifndef _I2O_H
 #define _I2O_H
 
-#ifdef __KERNEL__               /* This file to be included by kernel only */
-
 #include <linux/i2o-dev.h>
 
 /* How many different OSM's are we allowing */
@@ -1255,5 +1253,4 @@ extern void i2o_dump_message(struct i2o_message *);
 extern void i2o_dump_hrt(struct i2o_controller *c);
 extern void i2o_debug_state(struct i2o_controller *c);
 
-#endif                          /* __KERNEL__ */
 #endif                          /* _I2O_H */
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 0d9d7ea2c1cc..5f200bac3749 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -1,9 +1,6 @@
 #ifndef _LINUX_IF_MACVLAN_H
 #define _LINUX_IF_MACVLAN_H
 
-#ifdef __KERNEL__
-
 extern struct sk_buff *(*macvlan_handle_frame_hook)(struct sk_buff *);
 
-#endif /* __KERNEL__ */
 #endif /* _LINUX_IF_MACVLAN_H */
diff --git a/include/linux/inet.h b/include/linux/inet.h
index 675a7dbe86f8..1354080cf8cf 100644
--- a/include/linux/inet.h
+++ b/include/linux/inet.h
@@ -42,11 +42,9 @@
 #ifndef _LINUX_INET_H
 #define _LINUX_INET_H
 
-#ifdef __KERNEL__
 #include <linux/types.h>
 
 extern __be32 in_aton(const char *str);
 extern int in4_pton(const char *src, int srclen, u8 *dst, int delim, const char **end);
 extern int in6_pton(const char *src, int srclen, u8 *dst, int delim, const char **end);
-#endif
 #endif  /* _LINUX_INET_H */
diff --git a/include/linux/isicom.h b/include/linux/isicom.h
index 8f4c71759d73..bbd42197298f 100644
--- a/include/linux/isicom.h
+++ b/include/linux/isicom.h
@@ -1,11 +1,6 @@
 #ifndef _LINUX_ISICOM_H
 #define _LINUX_ISICOM_H
 
-/*#define               ISICOM_DEBUG*/
-/*#define               ISICOM_DEBUG_DTR_RTS*/
-
-#ifdef __KERNEL__
-
 #define         YES     1
 #define         NO      0
 
@@ -85,6 +80,4 @@
 
 #define         ISI_TXOK                0x0001
 
-#endif  /*      __KERNEL__      */
-
 #endif  /*      ISICOM_H        */
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 53839ba265ec..4d46e299afb5 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -338,33 +338,90 @@ extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
 #endif /* __LITTLE_ENDIAN */
 
 /*
- * min()/max() macros that also do
+ * min()/max()/clamp() macros that also do
  * strict type-checking.. See the
  * "unnecessary" pointer comparison.
  */
-#define min(x,y) ({ \
-        typeof(x) _x = (x);     \
-        typeof(y) _y = (y);     \
-        (void) (&_x == &_y);            \
-        _x < _y ? _x : _y; })
-
-#define max(x,y) ({ \
-        typeof(x) _x = (x);     \
-        typeof(y) _y = (y);     \
-        (void) (&_x == &_y);            \
-        _x > _y ? _x : _y; })
+#define min(x, y) ({                            \
+        typeof(x) _min1 = (x);                  \
+        typeof(y) _min2 = (y);                  \
+        (void) (&_min1 == &_min2);              \
+        _min1 < _min2 ? _min1 : _min2; })
+
+#define max(x, y) ({                            \
+        typeof(x) _max1 = (x);                  \
+        typeof(y) _max2 = (y);                  \
+        (void) (&_max1 == &_max2);              \
+        _max1 > _max2 ? _max1 : _max2; })
+
+/**
+ * clamp - return a value clamped to a given range with strict typechecking
+ * @val: current value
+ * @min: minimum allowable value
+ * @max: maximum allowable value
+ *
+ * This macro does strict typechecking of min/max to make sure they are of the
+ * same type as val.  See the unnecessary pointer comparisons.
+ */
+#define clamp(val, min, max) ({                 \
+        typeof(val) __val = (val);              \
+        typeof(min) __min = (min);              \
+        typeof(max) __max = (max);              \
+        (void) (&__val == &__min);              \
+        (void) (&__val == &__max);              \
+        __val = __val < __min ? __min: __val;   \
+        __val > __max ? __max: __val; })
 
 /*
  * ..and if you can't take the strict
  * types, you can specify one yourself.
  *
- * Or not use min/max at all, of course.
+ * Or not use min/max/clamp at all, of course.
+ */
+#define min_t(type, x, y) ({                    \
+        type __min1 = (x);                      \
+        type __min2 = (y);                      \
+        __min1 < __min2 ? __min1: __min2; })
+
+#define max_t(type, x, y) ({                    \
+        type __max1 = (x);                      \
+        type __max2 = (y);                      \
+        __max1 > __max2 ? __max1: __max2; })
+
+/**
+ * clamp_t - return a value clamped to a given range using a given type
+ * @type: the type of variable to use
+ * @val: current value
+ * @min: minimum allowable value
+ * @max: maximum allowable value
+ *
+ * This macro does no typechecking and uses temporary variables of type
+ * 'type' to make all the comparisons.
  */
-#define min_t(type,x,y) \
-        ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
-#define max_t(type,x,y) \
-        ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
+#define clamp_t(type, val, min, max) ({         \
+        type __val = (val);                     \
+        type __min = (min);                     \
+        type __max = (max);                     \
+        __val = __val < __min ? __min: __val;   \
+        __val > __max ? __max: __val; })
 
+/**
+ * clamp_val - return a value clamped to a given range using val's type
+ * @val: current value
+ * @min: minimum allowable value
+ * @max: maximum allowable value
+ *
+ * This macro does no typechecking and uses temporary variables of whatever
+ * type the input argument 'val' is.  This is useful when val is an unsigned
+ * type and min and max are literals that will otherwise be assigned a signed
+ * integer type.
+ */
+#define clamp_val(val, min, max) ({             \
+        typeof(val) __val = (val);              \
+        typeof(val) __min = (min);              \
+        typeof(val) __max = (max);              \
+        __val = __val < __min ? __min: __val;   \
+        __val > __max ? __max: __val; })
 
 /**
  * container_of - cast a member of a structure out to the containing structure
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 404f4464cb1a..29f62e1733ff 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -21,8 +21,6 @@
 #ifndef _LINUX_KFIFO_H
 #define _LINUX_KFIFO_H
 
-#ifdef __KERNEL__
-
 #include <linux/kernel.h>
 #include <linux/spinlock.h>
 
@@ -151,7 +149,4 @@ static inline unsigned int kfifo_len(struct kfifo *fifo)
         return ret;
 }
 
-#else
-#warning "don't include kernel headers in userspace"
-#endif /* __KERNEL__ */
 #endif
diff --git a/include/linux/kobj_map.h b/include/linux/kobj_map.h
index bafe178a381f..73717ed9ea79 100644
--- a/include/linux/kobj_map.h
+++ b/include/linux/kobj_map.h
@@ -1,5 +1,3 @@
-#ifdef __KERNEL__
-
 #include <linux/mutex.h>
 
 typedef struct kobject *kobj_probe_t(dev_t, int *, void *);
@@ -10,5 +8,3 @@ int kobj_map(struct kobj_map *, dev_t, unsigned long, struct module *,
 void kobj_unmap(struct kobj_map *, dev_t, unsigned long);
 struct kobject *kobj_lookup(struct kobj_map *, dev_t, int *);
 struct kobj_map *kobj_map_init(kobj_probe_t *, struct mutex *);
-
-#endif
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index caa3f411f15d..39e709f88aa0 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -16,8 +16,6 @@
 #ifndef _KOBJECT_H_
 #define _KOBJECT_H_
 
-#ifdef __KERNEL__
-
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/sysfs.h>
@@ -224,5 +222,4 @@ static inline int kobject_action_type(const char *buf, size_t count,
 { return -EINVAL; }
 #endif
 
-#endif /* __KERNEL__ */
 #endif /* _KOBJECT_H_ */
diff --git a/include/linux/kref.h b/include/linux/kref.h
index 5d185635786e..0cef6badd6fb 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -15,8 +15,6 @@
 #ifndef _KREF_H_
 #define _KREF_H_
 
-#ifdef __KERNEL__
-
 #include <linux/types.h>
 #include <asm/atomic.h>
 
@@ -29,5 +27,4 @@ void kref_init(struct kref *kref);
 void kref_get(struct kref *kref);
 int kref_put(struct kref *kref, void (*release) (struct kref *kref));
 
-#endif /* __KERNEL__ */
 #endif /* _KREF_H_ */
diff --git a/include/linux/list.h b/include/linux/list.h
index 7627508f1b74..08cf4f651889 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -1,8 +1,6 @@
 #ifndef _LINUX_LIST_H
 #define _LINUX_LIST_H
 
-#ifdef __KERNEL__
-
 #include <linux/stddef.h>
 #include <linux/poison.h>
 #include <linux/prefetch.h>
@@ -983,7 +981,4 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
                 ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
              pos = rcu_dereference(pos->next))
 
-#else
-#warning "don't include kernel headers in userspace"
-#endif /* __KERNEL__ */
 #endif
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index aad98003176f..c463cd8a15a4 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1,7 +1,6 @@
 #ifndef _LINUX_MMZONE_H
 #define _LINUX_MMZONE_H
 
-#ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 #ifndef __GENERATING_BOUNDS_H
 
@@ -97,6 +96,7 @@ enum zone_stat_item {
         NR_UNSTABLE_NFS,        /* NFS unstable pages */
         NR_BOUNCE,
         NR_VMSCAN_WRITE,
+        NR_WRITEBACK_TEMP,      /* Writeback using temporary buffers */
 #ifdef CONFIG_NUMA
         NUMA_HIT,               /* allocated in intended node */
         NUMA_MISS,              /* allocated in non intended node */
@@ -1004,5 +1004,4 @@ unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long);
 
 #endif /* !__GENERATING_BOUNDS.H */
 #endif /* !__ASSEMBLY__ */
-#endif /* __KERNEL__ */
 #endif /* _LINUX_MMZONE_H */
diff --git a/include/linux/mount.h b/include/linux/mount.h
index b4836d58f428..4374d1adeb4b 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -10,7 +10,6 @@
  */
 #ifndef _LINUX_MOUNT_H
 #define _LINUX_MOUNT_H
-#ifdef __KERNEL__
 
 #include <linux/types.h>
 #include <linux/list.h>
@@ -114,5 +113,4 @@ extern void mark_mounts_for_expiry(struct list_head *mounts);
 extern spinlock_t vfsmount_lock;
 extern dev_t name_to_dev_t(char *name);
 
-#endif
 #endif /* _LINUX_MOUNT_H */
diff --git a/include/linux/ncp_fs_i.h b/include/linux/ncp_fs_i.h
index bdb4c8ae6924..4b0bec477846 100644
--- a/include/linux/ncp_fs_i.h
+++ b/include/linux/ncp_fs_i.h
@@ -8,8 +8,6 @@
 #ifndef _LINUX_NCP_FS_I
 #define _LINUX_NCP_FS_I
 
-#ifdef __KERNEL__
-
 /*
  * This is the ncpfs part of the inode structure. This must contain
  * all the information we need to work with an inode after creation.
@@ -28,6 +26,4 @@ struct ncp_inode_info {
         struct inode vfs_inode;
 };
 
-#endif  /* __KERNEL__ */
-
 #endif  /* _LINUX_NCP_FS_I */
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 6dc11959770c..afe338217d91 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -1,6 +1,5 @@
 #ifndef _LINUX_OF_DEVICE_H
 #define _LINUX_OF_DEVICE_H
-#ifdef __KERNEL__
 
 #include <linux/device.h>
 #include <linux/of.h>
@@ -25,5 +24,4 @@ static inline void of_device_free(struct of_device *dev)
         of_release_dev(&dev->dev);
 }
 
-#endif /* __KERNEL__ */
 #endif /* _LINUX_OF_DEVICE_H */
diff --git a/include/linux/pid.h b/include/linux/pid.h
index c7980810eb09..c21c7e8124a7 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -60,7 +60,7 @@ struct pid
         /* lists of tasks that use this pid */
         struct hlist_head tasks[PIDTYPE_MAX];
         struct rcu_head rcu;
-        int level;
+        unsigned int level;
         struct upid numbers[1];
 };
 
@@ -89,9 +89,11 @@ extern struct pid *get_task_pid(struct task_struct *task, enum pid_type type);
  * attach_pid() and detach_pid() must be called with the tasklist_lock
  * write-held.
  */
-extern int attach_pid(struct task_struct *task, enum pid_type type,
-                      struct pid *pid);
+extern void attach_pid(struct task_struct *task, enum pid_type type,
+                        struct pid *pid);
 extern void detach_pid(struct task_struct *task, enum pid_type);
+extern void change_pid(struct task_struct *task, enum pid_type,
+                        struct pid *pid);
 extern void transfer_pid(struct task_struct *old, struct task_struct *new,
                          enum pid_type);
 
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index fcd61fa2c833..caff5283d15c 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -20,7 +20,7 @@ struct pid_namespace {
         int last_pid;
         struct task_struct *child_reaper;
         struct kmem_cache *pid_cachep;
-        int level;
+        unsigned int level;
         struct pid_namespace *parent;
 #ifdef CONFIG_PROC_FS
         struct vfsmount *proc_mnt;
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 1de72cbbe0d1..39a7ee859b67 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -21,8 +21,6 @@
 #ifndef _LINUX_PM_H
 #define _LINUX_PM_H
 
-#ifdef __KERNEL__
-
 #include <linux/list.h>
 #include <asm/atomic.h>
 #include <asm/errno.h>
@@ -225,6 +223,4 @@ extern unsigned int	pm_flags;
 #define PM_APM  1
 #define PM_ACPI 2
 
-#endif /* __KERNEL__ */
-
 #endif /* _LINUX_PM_H */
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index b2f05c230f4b..2f3bcf73052c 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -6,8 +6,6 @@
 #ifndef _LINUX_PNP_H
 #define _LINUX_PNP_H
 
-#ifdef __KERNEL__
-
 #include <linux/device.h>
 #include <linux/list.h>
 #include <linux/errno.h>
@@ -466,6 +464,4 @@ static inline void pnp_unregister_driver(struct pnp_driver *drv) { }
 #define pnp_dbg(format, arg...) do {} while (0)
 #endif
 
-#endif /* __KERNEL__ */
-
 #endif /* _LINUX_PNP_H */
diff --git a/include/linux/poison.h b/include/linux/poison.h
index a9c31be7052c..9f31683728fd 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -10,6 +10,13 @@
 #define LIST_POISON1  ((void *) 0x00100100)
 #define LIST_POISON2  ((void *) 0x00200200)
 
+/********** include/linux/timer.h **********/
+/*
+ * Magic number "tsta" to indicate a static timer initializer
+ * for the object debugging code.
+ */
+#define TIMER_ENTRY_STATIC      ((void *) 0x74737461)
+
 /********** mm/slab.c **********/
 /*
  * Magic nums for obj red zoning.
diff --git a/include/linux/profile.h b/include/linux/profile.h
index ff576d1db67d..05c1cc736937 100644
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -1,8 +1,6 @@
 #ifndef _LINUX_PROFILE_H
 #define _LINUX_PROFILE_H
 
-#ifdef __KERNEL__
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/cpumask.h>
@@ -118,6 +116,4 @@ static inline void unregister_timer_hook(int (*hook)(struct pt_regs *))
 
 #endif /* CONFIG_PROFILING */
 
-#endif /* __KERNEL__ */
-
 #endif /* _LINUX_PROFILE_H */
diff --git a/include/linux/proportions.h b/include/linux/proportions.h
index 2c3b3cad92be..5afc1b23346d 100644
--- a/include/linux/proportions.h
+++ b/include/linux/proportions.h
@@ -78,6 +78,19 @@ void prop_inc_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl)
 }
 
 /*
+ * Limit the time part in order to ensure there are some bits left for the
+ * cycle counter and fraction multiply.
+ */
+#define PROP_MAX_SHIFT (3*BITS_PER_LONG/4)
+
+#define PROP_FRAC_SHIFT         (BITS_PER_LONG - PROP_MAX_SHIFT - 1)
+#define PROP_FRAC_BASE          (1UL << PROP_FRAC_SHIFT)
+
+void __prop_inc_percpu_max(struct prop_descriptor *pd,
+                           struct prop_local_percpu *pl, long frac);
+
+
+/*
  * ----- SINGLE ------
  */
 
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index ebe0c17039cf..f98501ba557e 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -98,6 +98,10 @@ extern void ptrace_untrace(struct task_struct *child);
 extern int ptrace_may_attach(struct task_struct *task);
 extern int __ptrace_may_attach(struct task_struct *task);
 
+static inline int ptrace_reparented(struct task_struct *child)
+{
+        return child->real_parent != child->parent;
+}
 static inline void ptrace_link(struct task_struct *child,
                                struct task_struct *new_parent)
 {
diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h
index 8ab630b67fcc..81a1a02d4566 100644
--- a/include/linux/raid/md.h
+++ b/include/linux/raid/md.h
@@ -94,6 +94,7 @@ extern int sync_page_io(struct block_device *bdev, sector_t sector, int size,
 extern void md_do_sync(mddev_t *mddev);
 extern void md_new_event(mddev_t *mddev);
 extern void md_allow_write(mddev_t *mddev);
+extern void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
 
 #endif /* CONFIG_MD */
 #endif 
diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index 7bb6d1abf71e..812ffa590cff 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -84,6 +84,10 @@ struct mdk_rdev_s
 #define AllReserved     6               /* If whole device is reserved for
                                          * one array */
 #define AutoDetected    7               /* added by auto-detect */
+#define Blocked         8               /* An error occured on an externally
+                                         * managed array, don't allow writes
+                                         * until it is cleared */
+        wait_queue_head_t blocked_wait;
 
         int desc_nr;                    /* descriptor index in the superblock */
         int raid_disk;                  /* role of device in array */
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index b3dccd68629e..b3aa05baab8a 100644
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -33,8 +33,6 @@
 #ifndef __LINUX_RCUCLASSIC_H
 #define __LINUX_RCUCLASSIC_H
 
-#ifdef __KERNEL__
-
 #include <linux/cache.h>
 #include <linux/spinlock.h>
 #include <linux/threads.h>
@@ -163,5 +161,4 @@ extern long rcu_batches_completed_bh(void);
 #define rcu_enter_nohz()        do { } while (0)
 #define rcu_exit_nohz()         do { } while (0)
 
-#endif /* __KERNEL__ */
 #endif /* __LINUX_RCUCLASSIC_H */
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 37a642c54871..8082d6587a0f 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -33,8 +33,6 @@
 #ifndef __LINUX_RCUPDATE_H
 #define __LINUX_RCUPDATE_H
 
-#ifdef __KERNEL__
-
 #include <linux/cache.h>
 #include <linux/spinlock.h>
 #include <linux/threads.h>
@@ -245,5 +243,4 @@ extern long rcu_batches_completed_bh(void);
 extern void rcu_init(void);
 extern int rcu_needs_cpu(int cpu);
 
-#endif /* __KERNEL__ */
 #endif /* __LINUX_RCUPDATE_H */
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h
index d038aa6e5ee1..8a05c7e20bc4 100644
--- a/include/linux/rcupreempt.h
+++ b/include/linux/rcupreempt.h
@@ -33,8 +33,6 @@
 #ifndef __LINUX_RCUPREEMPT_H
 #define __LINUX_RCUPREEMPT_H
 
-#ifdef __KERNEL__
-
 #include <linux/cache.h>
 #include <linux/spinlock.h>
 #include <linux/threads.h>
@@ -104,5 +102,4 @@ static inline void rcu_exit_nohz(void)
 #define rcu_exit_nohz()         do { } while (0)
 #endif /* CONFIG_NO_HZ */
 
-#endif /* __KERNEL__ */
 #endif /* __LINUX_RCUPREEMPT_H */
diff --git a/include/linux/rcupreempt_trace.h b/include/linux/rcupreempt_trace.h
index 21cd6b2a5c42..b99ae073192a 100644
--- a/include/linux/rcupreempt_trace.h
+++ b/include/linux/rcupreempt_trace.h
@@ -32,7 +32,6 @@
 #ifndef __LINUX_RCUPREEMPT_TRACE_H
 #define __LINUX_RCUPREEMPT_TRACE_H
 
-#ifdef __KERNEL__
 #include <linux/types.h>
 #include <linux/kernel.h>
 
@@ -95,5 +94,4 @@ extern void rcupreempt_trace_done_remove(struct rcupreempt_trace *trace);
 extern void rcupreempt_trace_invoke(struct rcupreempt_trace *trace);
 extern void rcupreempt_trace_next_add(struct rcupreempt_trace *trace);
 
-#endif /* __KERNEL__ */
 #endif /* __LINUX_RCUPREEMPT_TRACE_H */
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index db5ef9b83c3f..336ee43ed7d8 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -177,7 +177,6 @@ struct reiserfs_journal {
         struct reiserfs_journal_cnode *j_last;  /* newest journal block */
         struct reiserfs_journal_cnode *j_first; /*  oldest journal block.  start here for traverse */
 
-        struct file *j_dev_file;
         struct block_device *j_dev_bd;
         int j_1st_reserved_block;       /* first block on s_dev of reserved area journal */
 
diff --git a/include/linux/rio.h b/include/linux/rio.h
index cfb66bbc0f27..c1c99c9643d3 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -14,8 +14,6 @@
 #ifndef LINUX_RIO_H
 #define LINUX_RIO_H
 
-#ifdef __KERNEL__
-
 #include <linux/types.h>
 #include <linux/ioport.h>
 #include <linux/list.h>
@@ -331,5 +329,4 @@ extern void rio_close_inb_mbox(struct rio_mport *, int);
 extern int rio_open_outb_mbox(struct rio_mport *, void *, int, int);
 extern void rio_close_outb_mbox(struct rio_mport *, int);
 
-#endif                          /* __KERNEL__ */
 #endif                          /* LINUX_RIO_H */
diff --git a/include/linux/rio_drv.h b/include/linux/rio_drv.h
index 7adb2a1aac92..90987b7bcc1b 100644
--- a/include/linux/rio_drv.h
+++ b/include/linux/rio_drv.h
@@ -13,8 +13,6 @@
 #ifndef LINUX_RIO_DRV_H
 #define LINUX_RIO_DRV_H
 
-#ifdef __KERNEL__
-
 #include <linux/types.h>
 #include <linux/ioport.h>
 #include <linux/list.h>
@@ -465,5 +463,4 @@ extern struct rio_dev *rio_get_device(u16 vid, u16 did, struct rio_dev *from);
 extern struct rio_dev *rio_get_asm(u16 vid, u16 did, u16 asm_vid, u16 asm_did,
                                    struct rio_dev *from);
 
-#endif                          /* __KERNEL__ */
 #endif                          /* LINUX_RIO_DRV_H */
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 7b524b4109a0..efd348fe8ca7 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -9,8 +9,6 @@
 
 #include <linux/linkage.h>
 
-#ifdef __KERNEL__
-
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <asm/system.h>
@@ -90,5 +88,4 @@ extern void up_read_non_owner(struct rw_semaphore *sem);
 # define up_read_non_owner(sem)                 up_read(sem)
 #endif
 
-#endif /* __KERNEL__ */
 #endif /* _LINUX_RWSEM_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 1d02babdb2c7..03c238088aee 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -554,6 +554,14 @@ struct signal_struct {
 #define SIGNAL_STOP_DEQUEUED    0x00000002 /* stop signal dequeued */
 #define SIGNAL_STOP_CONTINUED   0x00000004 /* SIGCONT since WCONTINUED reap */
 #define SIGNAL_GROUP_EXIT       0x00000008 /* group exit in progress */
+/*
+ * Pending notifications to parent.
+ */
+#define SIGNAL_CLD_STOPPED      0x00000010
+#define SIGNAL_CLD_CONTINUED    0x00000020
+#define SIGNAL_CLD_MASK         (SIGNAL_CLD_STOPPED|SIGNAL_CLD_CONTINUED)
+
+#define SIGNAL_UNKILLABLE       0x00000040 /* for init: ignore fatal signals */
 
 /* If true, all threads except ->group_exit_task have pending SIGKILL */
 static inline int signal_group_exit(const struct signal_struct *sig)
@@ -1167,7 +1175,7 @@ struct task_struct {
         struct sighand_struct *sighand;
 
         sigset_t blocked, real_blocked;
-        sigset_t saved_sigmask;         /* To be restored with TIF_RESTORE_SIGMASK */
+        sigset_t saved_sigmask; /* restored if set_restore_sigmask() was used */
         struct sigpending pending;
 
         unsigned long sas_ss_sp;
@@ -1669,7 +1677,10 @@ extern struct pid_namespace init_pid_ns;
 extern struct task_struct *find_task_by_pid_type_ns(int type, int pid,
                 struct pid_namespace *ns);
 
-extern struct task_struct *find_task_by_pid(pid_t nr);
+static inline struct task_struct *__deprecated find_task_by_pid(pid_t nr)
+{
+        return find_task_by_pid_type_ns(PIDTYPE_PID, nr, &init_pid_ns);
+}
 extern struct task_struct *find_task_by_vpid(pid_t nr);
 extern struct task_struct *find_task_by_pid_ns(pid_t nr,
                 struct pid_namespace *ns);
@@ -1745,8 +1756,7 @@ extern void zap_other_threads(struct task_struct *p);
 extern int kill_proc(pid_t, int, int);
 extern struct sigqueue *sigqueue_alloc(void);
 extern void sigqueue_free(struct sigqueue *);
-extern int send_sigqueue(int, struct sigqueue *,  struct task_struct *);
-extern int send_group_sigqueue(int, struct sigqueue *,  struct task_struct *);
+extern int send_sigqueue(struct sigqueue *,  struct task_struct *, int group);
 extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *);
 extern int do_sigaltstack(const stack_t __user *, stack_t __user *, unsigned long);
 
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index 5b5369c3c209..a66304a09955 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -1,6 +1,5 @@
 #ifndef _LINUX_SEQ_FILE_H
 #define _LINUX_SEQ_FILE_H
-#ifdef __KERNEL__
 
 #include <linux/types.h>
 #include <linux/string.h>
@@ -69,4 +68,3 @@ extern struct list_head *seq_list_next(void *v, struct list_head *head,
                 loff_t *ppos);
 
 #endif
-#endif
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 7cb094a82456..d32123ae08ad 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -149,13 +149,15 @@
 /* Freescale ColdFire */
 #define PORT_MCF        78
 
-#define PORT_SC26XX     79
-
+/* Blackfin SPORT */
+#define PORT_BFIN_SPORT         79
 
 /* MN10300 on-chip UART numbers */
 #define PORT_MN10300            80
 #define PORT_MN10300_CTS        81
 
+#define PORT_SC26XX     82
+
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 42d2e0a948f4..84f997f8aa53 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -362,8 +362,6 @@ int unhandled_signal(struct task_struct *tsk, int sig);
 #define sig_kernel_stop(sig) \
         (((sig) < SIGRTMIN) && siginmask(sig, SIG_KERNEL_STOP_MASK))
 
-#define sig_needs_tasklist(sig) ((sig) == SIGCONT)
-
 #define sig_user_defined(t, signr) \
         (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) &&  \
          ((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_IGN))
diff --git a/include/linux/slab.h b/include/linux/slab.h
index f62caaad94e0..805ed4b92f9a 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -9,8 +9,6 @@
 #ifndef _LINUX_SLAB_H
 #define _LINUX_SLAB_H
 
-#ifdef __KERNEL__
-
 #include <linux/gfp.h>
 #include <linux/types.h>
 
@@ -29,6 +27,13 @@
 #define SLAB_MEM_SPREAD         0x00100000UL    /* Spread some memory over cpuset */
 #define SLAB_TRACE              0x00200000UL    /* Trace allocations and frees */
 
+/* Flag to prevent checks on free */
+#ifdef CONFIG_DEBUG_OBJECTS
+# define SLAB_DEBUG_OBJECTS     0x00400000UL
+#else
+# define SLAB_DEBUG_OBJECTS     0x00000000UL
+#endif
+
 /* The following flags affect the page allocator grouping pages by mobility */
 #define SLAB_RECLAIM_ACCOUNT    0x00020000UL            /* Objects are reclaimable */
 #define SLAB_TEMPORARY          SLAB_RECLAIM_ACCOUNT    /* Objects are short-lived */
@@ -276,5 +281,4 @@ extern const struct seq_operations slabinfo_op;
 ssize_t slabinfo_write(struct file *, const char __user *, size_t, loff_t *);
 #endif
 
-#endif  /* __KERNEL__ */
 #endif  /* _LINUX_SLAB_H */
diff --git a/include/linux/smb_fs_i.h b/include/linux/smb_fs_i.h
index 8516954a5141..8ccf4eca2c3d 100644
--- a/include/linux/smb_fs_i.h
+++ b/include/linux/smb_fs_i.h
@@ -9,7 +9,6 @@
 #ifndef _LINUX_SMB_FS_I
 #define _LINUX_SMB_FS_I
 
-#ifdef __KERNEL__
 #include <linux/types.h>
 #include <linux/fs.h>
 
@@ -36,4 +35,3 @@ struct smb_inode_info {
 };
 
 #endif
-#endif
diff --git a/include/linux/smb_fs_sb.h b/include/linux/smb_fs_sb.h
index 3aa97aa4277f..8a060a7040d8 100644
--- a/include/linux/smb_fs_sb.h
+++ b/include/linux/smb_fs_sb.h
@@ -9,8 +9,6 @@
 #ifndef _SMB_FS_SB
 #define _SMB_FS_SB
 
-#ifdef __KERNEL__
-
 #include <linux/types.h>
 #include <linux/smb.h>
 
@@ -96,6 +94,4 @@ smb_unlock_server(struct smb_sb_info *server)
         up(&(server->sem));
 }
 
-#endif /* __KERNEL__ */
-
 #endif
diff --git a/include/linux/svga.h b/include/linux/svga.h
index 13ad0b82ac28..c59a51a2b0e7 100644
--- a/include/linux/svga.h
+++ b/include/linux/svga.h
@@ -1,8 +1,6 @@
 #ifndef _LINUX_SVGA_H
 #define _LINUX_SVGA_H
 
-#ifdef __KERNEL__
-
 #include <linux/pci.h>
 #include <video/vga.h>
 
@@ -122,6 +120,5 @@ void svga_set_timings(const struct svga_timing_regs *tm, struct fb_var_screeninf
 
 int svga_match_format(const struct svga_fb_format *frm, struct fb_var_screeninfo *var, struct fb_fix_screeninfo *fix);
 
-#endif /* __KERNEL__  */
 #endif /* _LINUX_SVGA_H */
 
diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h
index 004808a6df1d..6f371f24160b 100644
--- a/include/linux/textsearch.h
+++ b/include/linux/textsearch.h
@@ -1,8 +1,6 @@
 #ifndef __LINUX_TEXTSEARCH_H
 #define __LINUX_TEXTSEARCH_H
 
-#ifdef __KERNEL__
-
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/kernel.h>
@@ -177,6 +175,4 @@ static inline void *ts_config_priv(struct ts_config *conf)
         return ((u8 *) conf + TS_PRIV_ALIGN(sizeof(struct ts_config)));
 }
 
-#endif /* __KERNEL__ */
-
 #endif
diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index accd7bad35b0..38a56477f27a 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -92,6 +92,31 @@ static inline int test_ti_thread_flag(struct thread_info *ti, int flag)
 #define set_need_resched()      set_thread_flag(TIF_NEED_RESCHED)
 #define clear_need_resched()    clear_thread_flag(TIF_NEED_RESCHED)
 
-#endif
+#if defined TIF_RESTORE_SIGMASK && !defined HAVE_SET_RESTORE_SIGMASK
+/*
+ * An arch can define its own version of set_restore_sigmask() to get the
+ * job done however works, with or without TIF_RESTORE_SIGMASK.
+ */
+#define HAVE_SET_RESTORE_SIGMASK        1
+
+/**
+ * set_restore_sigmask() - make sure saved_sigmask processing gets done
+ *
+ * This sets TIF_RESTORE_SIGMASK and ensures that the arch signal code
+ * will run before returning to user mode, to process the flag.  For
+ * all callers, TIF_SIGPENDING is already set or it's no harm to set
+ * it.  TIF_RESTORE_SIGMASK need not be in the set of bits that the
+ * arch code will notice on return to user mode, in case those bits
+ * are scarce.  We set TIF_SIGPENDING here to ensure that the arch
+ * signal code always gets run when TIF_RESTORE_SIGMASK is set.
+ */
+static inline void set_restore_sigmask(void)
+{
+        set_thread_flag(TIF_RESTORE_SIGMASK);
+        set_thread_flag(TIF_SIGPENDING);
+}
+#endif  /* TIF_RESTORE_SIGMASK && !HAVE_SET_RESTORE_SIGMASK */
+
+#endif  /* __KERNEL__ */
 
 #endif /* _LINUX_THREAD_INFO_H */
diff --git a/include/linux/timer.h b/include/linux/timer.h
index 979fefdeb862..d4ba79248a27 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -4,6 +4,7 @@
 #include <linux/list.h>
 #include <linux/ktime.h>
 #include <linux/stddef.h>
+#include <linux/debugobjects.h>
 
 struct tvec_base;
 
@@ -25,6 +26,7 @@ struct timer_list {
 extern struct tvec_base boot_tvec_bases;
 
 #define TIMER_INITIALIZER(_function, _expires, _data) {         \
+                .entry = { .prev = TIMER_ENTRY_STATIC },        \
                 .function = (_function),                        \
                 .expires = (_expires),                          \
                 .data = (_data),                                \
@@ -38,6 +40,17 @@ extern struct tvec_base boot_tvec_bases;
 void init_timer(struct timer_list *timer);
 void init_timer_deferrable(struct timer_list *timer);
 
+#ifdef CONFIG_DEBUG_OBJECTS_TIMERS
+extern void init_timer_on_stack(struct timer_list *timer);
+extern void destroy_timer_on_stack(struct timer_list *timer);
+#else
+static inline void destroy_timer_on_stack(struct timer_list *timer) { }
+static inline void init_timer_on_stack(struct timer_list *timer)
+{
+        init_timer(timer);
+}
+#endif
+
 static inline void setup_timer(struct timer_list * timer,
                                 void (*function)(unsigned long),
                                 unsigned long data)
@@ -47,6 +60,15 @@ static inline void setup_timer(struct timer_list * timer,
         init_timer(timer);
 }
 
+static inline void setup_timer_on_stack(struct timer_list *timer,
+                                        void (*function)(unsigned long),
+                                        unsigned long data)
+{
+        timer->function = function;
+        timer->data = data;
+        init_timer_on_stack(timer);
+}
+
 /**
  * timer_pending - is a timer pending?
  * @timer: the timer in question
@@ -164,5 +186,4 @@ unsigned long __round_jiffies_relative(unsigned long j, int cpu);
 unsigned long round_jiffies(unsigned long j);
 unsigned long round_jiffies_relative(unsigned long j);
 
-
 #endif
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 265831ccaa88..7f7121f9c968 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -177,27 +177,33 @@ struct signal_struct;
  * size each time the window is created or resized anyway.
  *                                              - TYT, 9/14/92
  */
+
+struct tty_operations;
+
 struct tty_struct {
         int     magic;
         struct tty_driver *driver;
+        const struct tty_operations *ops;
         int index;
         struct tty_ldisc ldisc;
         struct mutex termios_mutex;
+        spinlock_t ctrl_lock;
+        /* Termios values are protected by the termios mutex */
         struct ktermios *termios, *termios_locked;
         char name[64];
-        struct pid *pgrp;
+        struct pid *pgrp;               /* Protected by ctrl lock */
         struct pid *session;
         unsigned long flags;
         int count;
-        struct winsize winsize;
+        struct winsize winsize;         /* termios mutex */
         unsigned char stopped:1, hw_stopped:1, flow_stopped:1, packet:1;
         unsigned char low_latency:1, warned:1;
-        unsigned char ctrl_status;
+        unsigned char ctrl_status;      /* ctrl_lock */
         unsigned int receive_room;      /* Bytes free for queue */
 
         struct tty_struct *link;
         struct fasync_struct *fasync;
-        struct tty_bufhead buf;
+        struct tty_bufhead buf;         /* Locked internally */
         int alt_speed;          /* For magic substitution of 38400 bps */
         wait_queue_head_t write_wait;
         wait_queue_head_t read_wait;
@@ -211,6 +217,7 @@ struct tty_struct {
         /*
          * The following is data for the N_TTY line discipline.  For
          * historical reasons, this is included in the tty structure.
+         * Mostly locked by the BKL.
          */
         unsigned int column;
         unsigned char lnext:1, erasing:1, raw:1, real_raw:1, icanon:1;
@@ -292,8 +299,15 @@ extern void tty_unregister_device(struct tty_driver *driver, unsigned index);
 extern int tty_read_raw_data(struct tty_struct *tty, unsigned char *bufp,
                              int buflen);
 extern void tty_write_message(struct tty_struct *tty, char *msg);
+extern int tty_put_char(struct tty_struct *tty, unsigned char c);
+extern int tty_chars_in_buffer(struct tty_struct *tty);
+extern int tty_write_room(struct tty_struct *tty);
+extern void tty_driver_flush_buffer(struct tty_struct *tty);
+extern void tty_throttle(struct tty_struct *tty);
+extern void tty_unthrottle(struct tty_struct *tty);
 
 extern int is_current_pgrp_orphaned(void);
+extern struct pid *tty_get_pgrp(struct tty_struct *tty);
 extern int is_ignored(int sig);
 extern int tty_signal(int sig, struct tty_struct *tty);
 extern void tty_hangup(struct tty_struct * tty);
@@ -323,8 +337,7 @@ extern void tty_ldisc_put(int);
 extern void tty_wakeup(struct tty_struct *tty);
 extern void tty_ldisc_flush(struct tty_struct *tty);
 
-extern int tty_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-                     unsigned long arg);
+extern long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 extern int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
                         unsigned int cmd, unsigned long arg);
 extern int tty_perform_flush(struct tty_struct *tty, unsigned long arg);
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 21f69aca4505..59f1c0bd8f9c 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -12,11 +12,15 @@
  *      This routine is called when a particular tty device is opened.
  *      This routine is mandatory; if this routine is not filled in,
  *      the attempted open will fail with ENODEV.
+ *
+ *      Required method.
  *     
  * void (*close)(struct tty_struct * tty, struct file * filp);
  *
  *      This routine is called when a particular tty device is closed.
  *
+ *      Required method.
+ *
  * int (*write)(struct tty_struct * tty,
  *               const unsigned char *buf, int count);
  *
@@ -26,7 +30,9 @@
  *      number of characters actually accepted for writing.  This
  *      routine is mandatory.
  *
- * void (*put_char)(struct tty_struct *tty, unsigned char ch);
+ *      Optional: Required for writable devices.
+ *
+ * int (*put_char)(struct tty_struct *tty, unsigned char ch);
  *
  *      This routine is called by the kernel to write a single
  *      character to the tty device.  If the kernel uses this routine,
@@ -34,10 +40,18 @@
  *      done stuffing characters into the driver.  If there is no room
  *      in the queue, the character is ignored.
  *
+ *      Optional: Kernel will use the write method if not provided.
+ *
+ *      Note: Do not call this function directly, call tty_put_char
+ *
  * void (*flush_chars)(struct tty_struct *tty);
  *
  *      This routine is called by the kernel after it has written a
  *      series of characters to the tty device using put_char().  
+ *
+ *      Optional:
+ *
+ *      Note: Do not call this function directly, call tty_driver_flush_chars
  * 
  * int  (*write_room)(struct tty_struct *tty);
  *
@@ -45,6 +59,10 @@
  *      will accept for queuing to be written.  This number is subject
  *      to change as output buffers get emptied, or if the output flow
  *      control is acted.
+ *
+ *      Required if write method is provided else not needed.
+ *
+ *      Note: Do not call this function directly, call tty_write_room
  * 
  * int  (*ioctl)(struct tty_struct *tty, struct file * file,
  *          unsigned int cmd, unsigned long arg);
@@ -53,28 +71,37 @@
  *      device-specific ioctl's.  If the ioctl number passed in cmd
  *      is not recognized by the driver, it should return ENOIOCTLCMD.
  *
+ *      Optional
+ *
  * long (*compat_ioctl)(struct tty_struct *tty, struct file * file,
  *                      unsigned int cmd, unsigned long arg);
  *
  *      implement ioctl processing for 32 bit process on 64 bit system
+ *
+ *      Optional
  * 
  * void (*set_termios)(struct tty_struct *tty, struct ktermios * old);
  *
  *      This routine allows the tty driver to be notified when
- *      device's termios settings have changed.  Note that a
- *      well-designed tty driver should be prepared to accept the case
- *      where old == NULL, and try to do something rational.
+ *      device's termios settings have changed.
+ *
+ *      Optional: Called under the termios lock
+ *
  *
  * void (*set_ldisc)(struct tty_struct *tty);
  *
  *      This routine allows the tty driver to be notified when the
  *      device's termios settings have changed.
+ *
+ *      Optional: Called under BKL (currently)
  * 
  * void (*throttle)(struct tty_struct * tty);
  *
  *      This routine notifies the tty driver that input buffers for
  *      the line discipline are close to full, and it should somehow
  *      signal that no more characters should be sent to the tty.
+ *
+ *      Optional: Always invoke via tty_throttle();
  * 
  * void (*unthrottle)(struct tty_struct * tty);
  *
@@ -82,21 +109,33 @@
  *      that characters can now be sent to the tty without fear of
  *      overrunning the input buffers of the line disciplines.
  * 
+ *      Optional: Always invoke via tty_unthrottle();
+ *
  * void (*stop)(struct tty_struct *tty);
  *
  *      This routine notifies the tty driver that it should stop
  *      outputting characters to the tty device.  
+ *
+ *      Optional:
+ *
+ *      Note: Call stop_tty not this method.
  * 
  * void (*start)(struct tty_struct *tty);
  *
  *      This routine notifies the tty driver that it resume sending
  *      characters to the tty device.
+ *
+ *      Optional:
+ *
+ *      Note: Call start_tty not this method.
  * 
  * void (*hangup)(struct tty_struct *tty);
  *
  *      This routine notifies the tty driver that it should hangup the
  *      tty device.
  *
+ *      Required:
+ *
  * void (*break_ctl)(struct tty_stuct *tty, int state);
  *
  *      This optional routine requests the tty driver to turn on or
@@ -106,18 +145,26 @@
  *
  *      If this routine is implemented, the high-level tty driver will
  *      handle the following ioctls: TCSBRK, TCSBRKP, TIOCSBRK,
- *      TIOCCBRK.  Otherwise, these ioctls will be passed down to the
- *      driver to handle.
+ *      TIOCCBRK.
+ *
+ *      Optional: Required for TCSBRK/BRKP/etc handling.
  *
  * void (*wait_until_sent)(struct tty_struct *tty, int timeout);
  * 
  *      This routine waits until the device has written out all of the
  *      characters in its transmitter FIFO.
  *
+ *      Optional: If not provided the device is assumed to have no FIFO
+ *
+ *      Note: Usually correct to call tty_wait_until_sent
+ *
  * void (*send_xchar)(struct tty_struct *tty, char ch);
  *
  *      This routine is used to send a high-priority XON/XOFF
  *      character to the device.
+ *
+ *      Optional: If not provided then the write method is called under
+ *      the atomic write lock to keep it serialized with the ldisc.
  */
 
 #include <linux/fs.h>
@@ -132,7 +179,7 @@ struct tty_operations {
         void (*close)(struct tty_struct * tty, struct file * filp);
         int  (*write)(struct tty_struct * tty,
                       const unsigned char *buf, int count);
-        void (*put_char)(struct tty_struct *tty, unsigned char ch);
+        int  (*put_char)(struct tty_struct *tty, unsigned char ch);
         void (*flush_chars)(struct tty_struct *tty);
         int  (*write_room)(struct tty_struct *tty);
         int  (*chars_in_buffer)(struct tty_struct *tty);
@@ -153,8 +200,6 @@ struct tty_operations {
         void (*send_xchar)(struct tty_struct *tty, char ch);
         int (*read_proc)(char *page, char **start, off_t off,
                           int count, int *eof, void *data);
-        int (*write_proc)(struct file *file, const char __user *buffer,
-                          unsigned long count, void *data);
         int (*tiocmget)(struct tty_struct *tty, struct file *file);
         int (*tiocmset)(struct tty_struct *tty, struct file *file,
                         unsigned int set, unsigned int clear);
@@ -190,48 +235,13 @@ struct tty_driver {
         struct tty_struct **ttys;
         struct ktermios **termios;
         struct ktermios **termios_locked;
-        void *driver_state;     /* only used for the PTY driver */
-        
+        void *driver_state;
+
         /*
-         * Interface routines from the upper tty layer to the tty
-         * driver.      Will be replaced with struct tty_operations.
+         * Driver methods
          */
-        int  (*open)(struct tty_struct * tty, struct file * filp);
-        void (*close)(struct tty_struct * tty, struct file * filp);
-        int  (*write)(struct tty_struct * tty,
-                      const unsigned char *buf, int count);
-        void (*put_char)(struct tty_struct *tty, unsigned char ch);
-        void (*flush_chars)(struct tty_struct *tty);
-        int  (*write_room)(struct tty_struct *tty);
-        int  (*chars_in_buffer)(struct tty_struct *tty);
-        int  (*ioctl)(struct tty_struct *tty, struct file * file,
-                    unsigned int cmd, unsigned long arg);
-        long (*compat_ioctl)(struct tty_struct *tty, struct file * file,
-                             unsigned int cmd, unsigned long arg);
-        void (*set_termios)(struct tty_struct *tty, struct ktermios * old);
-        void (*throttle)(struct tty_struct * tty);
-        void (*unthrottle)(struct tty_struct * tty);
-        void (*stop)(struct tty_struct *tty);
-        void (*start)(struct tty_struct *tty);
-        void (*hangup)(struct tty_struct *tty);
-        void (*break_ctl)(struct tty_struct *tty, int state);
-        void (*flush_buffer)(struct tty_struct *tty);
-        void (*set_ldisc)(struct tty_struct *tty);
-        void (*wait_until_sent)(struct tty_struct *tty, int timeout);
-        void (*send_xchar)(struct tty_struct *tty, char ch);
-        int (*read_proc)(char *page, char **start, off_t off,
-                          int count, int *eof, void *data);
-        int (*write_proc)(struct file *file, const char __user *buffer,
-                          unsigned long count, void *data);
-        int (*tiocmget)(struct tty_struct *tty, struct file *file);
-        int (*tiocmset)(struct tty_struct *tty, struct file *file,
-                        unsigned int set, unsigned int clear);
-#ifdef CONFIG_CONSOLE_POLL
-        int (*poll_init)(struct tty_driver *driver, int line, char *options);
-        int (*poll_get_char)(struct tty_driver *driver, int line);
-        void (*poll_put_char)(struct tty_driver *driver, int line, char ch);
-#endif
 
+        const struct tty_operations *ops;
         struct list_head tty_drivers;
 };
 
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index b7b3362f7717..f462439cc288 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -114,6 +114,9 @@ struct file;
 int dirty_writeback_centisecs_handler(struct ctl_table *, int, struct file *,
                                       void __user *, size_t *, loff_t *);
 
+void get_dirty_limits(long *pbackground, long *pdirty, long *pbdi_dirty,
+                 struct backing_dev_info *bdi);
+
 void page_writeback_init(void);
 void balance_dirty_pages_ratelimited_nr(struct address_space *mapping,
                                         unsigned long nr_pages_dirtied);
diff --git a/include/net/compat.h b/include/net/compat.h
index 05fa5d0254ab..164cb682e220 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -42,5 +42,8 @@ extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsi
 
 extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, int,
         int (*)(struct sock *, int, int, char __user *, int));
+extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
+        int __user *, int (*)(struct sock *, int, int, char __user *,
+                                int __user *));
 
 #endif /* NET_COMPAT_H */
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 56f3c94ae620..9a51ebad3f1f 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -405,7 +405,8 @@ struct sk_buff;
 struct ip_vs_protocol {
         struct ip_vs_protocol   *next;
         char                    *name;
-        __u16                   protocol;
+        u16                     protocol;
+        u16                     num_states;
         int                     dont_defrag;
         atomic_t                appcnt;         /* counter of proto app incs */
         int                     *timeout_table; /* protocol timeout table */
diff --git a/include/net/netfilter/nf_conntrack_tuple.h b/include/net/netfilter/nf_conntrack_tuple.h
index 1bb7087833d3..a6874ba22d54 100644
--- a/include/net/netfilter/nf_conntrack_tuple.h
+++ b/include/net/netfilter/nf_conntrack_tuple.h
@@ -107,16 +107,6 @@ struct nf_conntrack_tuple_mask
         } src;
 };
 
-/* This is optimized opposed to a memset of the whole structure.  Everything we
- * really care about is the  source/destination unions */
-#define NF_CT_TUPLE_U_BLANK(tuple)                                      \
-        do {                                                            \
-                (tuple)->src.u.all = 0;                                 \
-                (tuple)->dst.u.all = 0;                                 \
-                memset(&(tuple)->src.u3, 0, sizeof((tuple)->src.u3));   \
-                memset(&(tuple)->dst.u3, 0, sizeof((tuple)->dst.u3));   \
-        } while (0)
-
 #ifdef __KERNEL__
 
 static inline void nf_ct_dump_tuple_ip(const struct nf_conntrack_tuple *t)
diff --git a/include/net/route.h b/include/net/route.h
index c6338802e8f1..fc836ff824cc 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -116,7 +116,7 @@ extern int		__ip_route_output_key(struct net *, struct rtable **, const struct f
 extern int              ip_route_output_key(struct net *, struct rtable **, struct flowi *flp);
 extern int              ip_route_output_flow(struct net *, struct rtable **rp, struct flowi *flp, struct sock *sk, int flags);
 extern int              ip_route_input(struct sk_buff*, __be32 dst, __be32 src, u8 tos, struct net_device *devin);
-extern unsigned short   ip_rt_frag_needed(struct net *net, struct iphdr *iph, unsigned short new_mtu);
+extern unsigned short   ip_rt_frag_needed(struct net *net, struct iphdr *iph, unsigned short new_mtu, struct net_device *dev);
 extern void             ip_rt_send_redirect(struct sk_buff *skb);
 
 extern unsigned         inet_addr_type(struct net *net, __be32 addr);