34 files changed, 369 insertions, 189 deletions

diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c
index b5d387ef37e1..bff7ddd06a52 100644
--- a/arch/arm/mach-s3c2440/mach-anubis.c
+++ b/arch/arm/mach-s3c2440/mach-anubis.c
@@ -76,8 +76,8 @@ static struct map_desc anubis_iodesc[] __initdata = {
         .length         = SZ_4K,
         .type           = MT_DEVICE,
   }, {
-        .virtual        = (u32)ANUBIS_VA_CTRL2,
-        .pfn            = __phys_to_pfn(ANUBIS_PA_CTRL2),
+        .virtual        = (u32)ANUBIS_VA_IDREG,
+        .pfn            = __phys_to_pfn(ANUBIS_PA_IDREG),
         .length         = SZ_4K,
         .type           = MT_DEVICE,
   },
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index 4d6c7a574c1a..15811601f03d 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -16,6 +16,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/sysdev.h>
 #include <linux/serial_core.h>
 
 #include <asm/mach/arch.h>
@@ -65,6 +66,11 @@ static struct map_desc osiris_iodesc[] __initdata = {
   /* CPLD control registers */
 
   {
+          .virtual      = (u32)OSIRIS_VA_CTRL0,
+          .pfn          = __phys_to_pfn(OSIRIS_PA_CTRL0),
+          .length       = SZ_16K,
+          .type         = MT_DEVICE,
+  }, {
           .virtual      = (u32)OSIRIS_VA_CTRL1,
           .pfn          = __phys_to_pfn(OSIRIS_PA_CTRL1),
           .length       = SZ_16K,
@@ -74,6 +80,11 @@ static struct map_desc osiris_iodesc[] __initdata = {
           .pfn          = __phys_to_pfn(OSIRIS_PA_CTRL2),
           .length       = SZ_16K,
           .type         = MT_DEVICE,
+  }, {
+          .virtual      = (u32)OSIRIS_VA_IDREG,
+          .pfn          = __phys_to_pfn(OSIRIS_PA_IDREG),
+          .length       = SZ_16K,
+          .type         = MT_DEVICE,
   },
 };
 
@@ -195,13 +206,13 @@ static void osiris_nand_select(struct s3c2410_nand_set *set, int slot)
         pr_debug("osiris_nand: selecting slot %d (set %p,%p)\n",
                  slot, set, set->nr_map);
 
-        tmp = __raw_readb(OSIRIS_VA_CTRL1);
-        tmp &= ~OSIRIS_CTRL1_NANDSEL;
+        tmp = __raw_readb(OSIRIS_VA_CTRL0);
+        tmp &= ~OSIRIS_CTRL0_NANDSEL;
         tmp |= slot;
 
-        pr_debug("osiris_nand: ctrl1 now %02x\n", tmp);
+        pr_debug("osiris_nand: ctrl0 now %02x\n", tmp);
 
-        __raw_writeb(tmp, OSIRIS_VA_CTRL1);
+        __raw_writeb(tmp, OSIRIS_VA_CTRL0);
 }
 
 static struct s3c2410_platform_nand osiris_nand_info = {
@@ -235,10 +246,45 @@ static struct platform_device osiris_pcmcia = {
         .resource       = osiris_pcmcia_resource,
 };
 
+/* Osiris power management device */
+
+#ifdef CONFIG_PM
+static unsigned char pm_osiris_ctrl0;
+
+static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state)
+{
+        pm_osiris_ctrl0 = __raw_readb(OSIRIS_VA_CTRL0);
+        return 0;
+}
+
+static int osiris_pm_resume(struct sys_device *sd)
+{
+        if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8)
+                __raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1);
+
+        return 0;
+}
+
+#else
+#define osiris_pm_suspend NULL
+#define osiris_pm_resume NULL
+#endif
+
+static struct sysdev_class osiris_pm_sysclass = {
+        set_kset_name("mach-osiris"),
+        .suspend        = osiris_pm_suspend,
+        .resume         = osiris_pm_resume,
+};
+
+static struct sys_device osiris_pm_sysdev = {
+        .cls            = &osiris_pm_sysclass,
+};
+
 /* Standard Osiris devices */
 
 static struct platform_device *osiris_devices[] __initdata = {
         &s3c_device_i2c,
+        &s3c_device_wdt,
         &s3c_device_nand,
         &osiris_pcmcia,
 };
@@ -288,6 +334,9 @@ static void __init osiris_map_io(void)
 
 static void __init osiris_init(void)
 {
+        sysdev_class_register(&osiris_pm_sysclass);
+        sysdev_register(&osiris_pm_sysdev);
+
         platform_add_devices(osiris_devices, ARRAY_SIZE(osiris_devices));
 };
 
@@ -299,5 +348,6 @@ MACHINE_START(OSIRIS, "Simtec-OSIRIS")
         .map_io         = osiris_map_io,
         .init_machine   = osiris_init,
         .init_irq       = s3c24xx_init_irq,
+        .init_machine   = osiris_init,
         .timer          = &s3c24xx_timer,
 MACHINE_END
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index ca2a5ad19ea6..806ce26d5243 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -29,6 +29,10 @@ do_vfp:
         add     r10, r10, #TI_VFPSTATE  @ r10 = workspace
         ldr     pc, [r4]                @ call VFP entry point
 
+ENTRY(vfp_null_entry)
+        mov     pc, lr
+ENDPROC(vfp_null_entry)
+
 .LCvfp:
         .word   vfp_vector
 
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index f1e5951dc721..1106b5f9cf19 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -26,8 +26,9 @@
  */
 void vfp_testing_entry(void);
 void vfp_support_entry(void);
+void vfp_null_entry(void);
 
-void (*vfp_vector)(void) = vfp_testing_entry;
+void (*vfp_vector)(void) = vfp_null_entry;
 union vfp_state *last_VFP_context[NR_CPUS];
 
 /*
@@ -321,8 +322,10 @@ static int __init vfp_init(void)
          * The handler is already setup to just log calls, so
          * we just need to read the VFPSID register.
          */
+        vfp_vector = vfp_testing_entry;
         vfpsid = fmrx(FPSID);
         barrier();
+        vfp_vector = vfp_null_entry;
 
         printk(KERN_INFO "VFP support v0.3: ");
         if (VFP_arch) {
diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c
index d86e15776779..f2042e6466a4 100644
--- a/arch/parisc/hpux/fs.c
+++ b/arch/parisc/hpux/fs.c
@@ -21,6 +21,7 @@
  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/sched.h>
 #include <linux/file.h>
@@ -69,7 +70,6 @@ struct getdents_callback {
 };
 
 #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
-#define ROUND_UP(x) (((x)+sizeof(long)-1) & ~(sizeof(long)-1))
 
 static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
                 u64 ino, unsigned d_type)
@@ -77,7 +77,7 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
         struct hpux_dirent __user * dirent;
         struct getdents_callback * buf = (struct getdents_callback *) __buf;
         ino_t d_ino;
-        int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
+        int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, sizeof(long));
 
         buf->error = -EINVAL;   /* only used if we fail.. */
         if (reclen > buf->count)
@@ -102,7 +102,6 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
 }
 
 #undef NAME_OFFSET
-#undef ROUND_UP
 
 int hpux_getdents(unsigned int fd, struct hpux_dirent __user *dirent, unsigned int count)
 {
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 8474f9e5ca10..42598abf4576 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -954,21 +954,6 @@ intr_return:
         /* NOTE: Need to enable interrupts incase we schedule. */
         ssm     PSW_SM_I, %r0
 
-        /* Check for software interrupts */
-
-        .import irq_stat,data
-
-        load32  irq_stat,%r19
-#ifdef CONFIG_SMP
-        mfctl   %cr30,%r1
-        ldw     TI_CPU(%r1),%r1 /* get cpu # - int */
-        /* shift left ____cacheline_aligned (aka L1_CACHE_BYTES) amount
-        ** irq_stat[] is defined using ____cacheline_aligned.
-        */
-        SHLREG  %r1,L1_CACHE_SHIFT,%r20
-        add     %r19,%r20,%r19  /* now have &irq_stat[smp_processor_id()] */
-#endif /* CONFIG_SMP */
-
 intr_check_resched:
 
         /* check for reschedule */
@@ -2034,10 +2019,9 @@ ENTRY(syscall_exit)
         STREG     %r28,TASK_PT_GR28(%r1)
 
 #ifdef CONFIG_HPUX
-
 /* <linux/personality.h> cannot be easily included */
 #define PER_HPUX 0x10
-        LDREG     TASK_PERSONALITY(%r1),%r19
+        ldw     TASK_PERSONALITY(%r1),%r19
 
         /* We can't use "CMPIB<> PER_HPUX" since "im5" field is sign extended */
         ldo       -PER_HPUX(%r19), %r19
@@ -2055,24 +2039,6 @@ ENTRY(syscall_exit)
          */
         loadgp
 
-syscall_check_bh:
-
-        /* Check for software interrupts */
-
-        .import irq_stat,data
-
-        load32  irq_stat,%r19
-
-#ifdef CONFIG_SMP
-        /* sched.h: int processor */
-        /* %r26 is used as scratch register to index into irq_stat[] */
-        ldw     TI_CPU-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r26 /* cpu # */
-
-        /* shift left ____cacheline_aligned (aka L1_CACHE_BYTES) bits */
-        SHLREG  %r26,L1_CACHE_SHIFT,%r20
-        add     %r19,%r20,%r19  /* now have &irq_stat[smp_processor_id()] */
-#endif /* CONFIG_SMP */
-
 syscall_check_resched:
 
         /* check for reschedule */
@@ -2114,7 +2080,7 @@ syscall_restore:
         /* Are we being ptraced? */
         LDREG   TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
 
-        LDREG   TASK_PTRACE(%r1), %r19
+        ldw     TASK_PTRACE(%r1), %r19
         bb,<    %r19,31,syscall_restore_rfi
         nop
 
@@ -2244,7 +2210,7 @@ syscall_do_resched:
 #else
         nop
 #endif
-        b       syscall_check_bh  /* if resched, we start over again */
+        b       syscall_check_resched   /* if resched, we start over again */
         nop
 ENDPROC(syscall_exit)
 
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 39dc835bf89e..fd6552c4c08c 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -634,7 +634,7 @@ EXPORT_SYMBOL(pdc_lan_station_id);
  * pdc_stable_read - Read data from Stable Storage.
  * @staddr: Stable Storage address to access.
  * @memaddr: The memory address where Stable Storage data shall be copied.
- * @count: number of bytes to transfert. count is multiple of 4.
+ * @count: number of bytes to transfer. count is multiple of 4.
  *
  * This PDC call reads from the Stable Storage address supplied in staddr
  * and copies count bytes to the memory address memaddr.
@@ -660,7 +660,7 @@ EXPORT_SYMBOL(pdc_stable_read);
  * pdc_stable_write - Write data to Stable Storage.
  * @staddr: Stable Storage address to access.
  * @memaddr: The memory address where Stable Storage data shall be read from.
- * @count: number of bytes to transfert. count is multiple of 4.
+ * @count: number of bytes to transfer. count is multiple of 4.
  *
  * This PDC call reads count bytes from the supplied memaddr address,
  * and copies count bytes to the Stable Storage address staddr.
diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c
index 18ba4cb9159b..04848b2b381c 100644
--- a/arch/parisc/kernel/hardware.c
+++ b/arch/parisc/kernel/hardware.c
@@ -38,7 +38,7 @@
  *      so don't reference this table after starting the init process
  */
  
-static struct hp_hardware hp_hardware_list[] __initdata = {
+static struct hp_hardware hp_hardware_list[] __devinitdata = {
         {HPHW_NPROC,0x01,0x4,0x0,"Indigo (840, 930)"},
         {HPHW_NPROC,0x8,0x4,0x01,"Firefox(825,925)"},
         {HPHW_NPROC,0xA,0x4,0x01,"Top Gun (835,834,935,635)"},
@@ -1219,7 +1219,7 @@ static struct hp_cpu_type_mask {
         unsigned short model;
         unsigned short mask;
         enum cpu_type cpu;
-} hp_cpu_type_mask_list[] __initdata = {
+} hp_cpu_type_mask_list[] __devinitdata = {
 
         { 0x0000, 0x0ff0, pcx    },  /* 0x0000 - 0x000f */
         { 0x0048, 0x0ff0, pcxl   },  /* 0x0040 - 0x004f */
@@ -1296,10 +1296,11 @@ static struct hp_cpu_type_mask {
         { 0x05f0, 0x0ff0, pcxw2  },  /* 0x05f0 - 0x05ff */
         { 0x0600, 0x0fe0, pcxl   },  /* 0x0600 - 0x061f */
         { 0x0880, 0x0ff0, mako   },  /* 0x0880 - 0x088f */
+        { 0x0890, 0x0ff0, mako2  },  /* 0x0890 - 0x089f */
         { 0x0000, 0x0000, pcx    }      /* terminate table */
 };
 
-char *cpu_name_version[][2] = {
+const char * const cpu_name_version[][2] = {
         [pcx]   = { "PA7000 (PCX)",     "1.0" },
         [pcxs]  = { "PA7000 (PCX-S)",   "1.1a" },
         [pcxt]  = { "PA7100 (PCX-T)",   "1.1b" },
@@ -1311,10 +1312,11 @@ char *cpu_name_version[][2] = {
         [pcxw]  = { "PA8500 (PCX-W)",   "2.0" },
         [pcxw_] = { "PA8600 (PCX-W+)",  "2.0" },
         [pcxw2] = { "PA8700 (PCX-W2)",  "2.0" },
-        [mako]  = { "PA8800 (Mako)",    "2.0" }
+        [mako]  = { "PA8800 (Mako)",    "2.0" },
+        [mako2] = { "PA8900 (Shortfin)",        "2.0" }
 };
 
-const char * __init
+const char * __devinit
 parisc_hardware_description(struct parisc_device_id *id)
 {
         struct hp_hardware *listptr;
@@ -1353,7 +1355,7 @@ parisc_hardware_description(struct parisc_device_id *id)
 
 
 /* Interpret hversion (ret[0]) from PDC_MODEL(4)/PDC_MODEL_INFO(0) */
-enum cpu_type __init
+enum cpu_type __cpuinit
 parisc_get_cpu_type(unsigned long hversion)
 {
         struct hp_cpu_type_mask *ptr;
diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S
index d8baa158d8a0..43b41df0b541 100644
--- a/arch/parisc/kernel/hpmc.S
+++ b/arch/parisc/kernel/hpmc.S
@@ -295,8 +295,5 @@ os_hpmc_6:
         b .
         nop
 ENDPROC(os_hpmc)
-
-        /* this label used to compute os_hpmc checksum */
-ENTRY(os_hpmc_end)
-
+ENTRY(os_hpmc_end)      /* this label used to compute os_hpmc checksum */
         nop
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index c5c9125dacec..76ce5e3b0050 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -46,14 +46,10 @@ extern irqreturn_t ipi_interrupt(int, void *);
 static volatile unsigned long cpu_eiem = 0;
 
 /*
-** ack bitmap ... habitually set to 1, but reset to zero
+** local ACK bitmap ... habitually set to 1, but reset to zero
 ** between ->ack() and ->end() of the interrupt to prevent
 ** re-interruption of a processing interrupt.
 */
-static volatile unsigned long global_ack_eiem = ~0UL;
-/*
-** Local bitmap, same as above but for per-cpu interrupts
-*/
 static DEFINE_PER_CPU(unsigned long, local_ack_eiem) = ~0UL;
 
 static void cpu_disable_irq(unsigned int irq)
@@ -94,13 +90,11 @@ void cpu_ack_irq(unsigned int irq)
         int cpu = smp_processor_id();
 
         /* Clear in EIEM so we can no longer process */
-        if (CHECK_IRQ_PER_CPU(irq_desc[irq].status))
-                per_cpu(local_ack_eiem, cpu) &= ~mask;
-        else
-                global_ack_eiem &= ~mask;
+        per_cpu(local_ack_eiem, cpu) &= ~mask;
 
         /* disable the interrupt */
-        set_eiem(cpu_eiem & global_ack_eiem & per_cpu(local_ack_eiem, cpu));
+        set_eiem(cpu_eiem & per_cpu(local_ack_eiem, cpu));
+
         /* and now ack it */
         mtctl(mask, 23);
 }
@@ -111,13 +105,10 @@ void cpu_end_irq(unsigned int irq)
         int cpu = smp_processor_id();
 
         /* set it in the eiems---it's no longer in process */
-        if (CHECK_IRQ_PER_CPU(irq_desc[irq].status))
-                per_cpu(local_ack_eiem, cpu) |= mask;
-        else
-                global_ack_eiem |= mask;
+        per_cpu(local_ack_eiem, cpu) |= mask;
 
         /* enable the interrupt */
-        set_eiem(cpu_eiem & global_ack_eiem & per_cpu(local_ack_eiem, cpu));
+        set_eiem(cpu_eiem & per_cpu(local_ack_eiem, cpu));
 }
 
 #ifdef CONFIG_SMP
@@ -354,8 +345,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
         local_irq_disable();
         irq_enter();
 
-        eirr_val = mfctl(23) & cpu_eiem & global_ack_eiem &
-                per_cpu(local_ack_eiem, cpu);
+        eirr_val = mfctl(23) & cpu_eiem & per_cpu(local_ack_eiem, cpu);
         if (!eirr_val)
                 goto set_out;
         irq = eirr_to_irq(eirr_val);
@@ -381,7 +371,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
         return;
 
  set_out:
-        set_eiem(cpu_eiem & global_ack_eiem & per_cpu(local_ack_eiem, cpu));
+        set_eiem(cpu_eiem & per_cpu(local_ack_eiem, cpu));
         goto out;
 }
 
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index 0c3aecb85a5c..23c1388df1f5 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -21,6 +21,7 @@
 #include <linux/mm.h>
 #include <linux/pci.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/types.h>
@@ -34,7 +35,6 @@
 #include <asm/tlbflush.h>       /* for purge_tlb_*() macros */
 
 static struct proc_dir_entry * proc_gsc_root __read_mostly = NULL;
-static int pcxl_proc_info(char *buffer, char **start, off_t offset, int length);
 static unsigned long pcxl_used_bytes __read_mostly = 0;
 static unsigned long pcxl_used_pages __read_mostly = 0;
 
@@ -330,6 +330,54 @@ pcxl_free_range(unsigned long vaddr, size_t size)
         dump_resmap();
 }
 
+static int proc_pcxl_dma_show(struct seq_file *m, void *v)
+{
+#if 0
+        u_long i = 0;
+        unsigned long *res_ptr = (u_long *)pcxl_res_map;
+#endif
+        unsigned long total_pages = pcxl_res_size << 3;   /* 8 bits per byte */
+
+        seq_printf(m, "\nDMA Mapping Area size    : %d bytes (%ld pages)\n",
+                PCXL_DMA_MAP_SIZE, total_pages);
+
+        seq_printf(m, "Resource bitmap : %d bytes\n", pcxl_res_size);
+
+        seq_puts(m,  "            total:    free:    used:   % used:\n");
+        seq_printf(m, "blocks  %8d %8ld %8ld %8ld%%\n", pcxl_res_size,
+                pcxl_res_size - pcxl_used_bytes, pcxl_used_bytes,
+                (pcxl_used_bytes * 100) / pcxl_res_size);
+
+        seq_printf(m, "pages   %8ld %8ld %8ld %8ld%%\n", total_pages,
+                total_pages - pcxl_used_pages, pcxl_used_pages,
+                (pcxl_used_pages * 100 / total_pages));
+
+#if 0
+        seq_puts(m, "\nResource bitmap:");
+
+        for(; i < (pcxl_res_size / sizeof(u_long)); ++i, ++res_ptr) {
+                if ((i & 7) == 0)
+                    seq_puts(m,"\n   ");
+                seq_printf(m, "%s %08lx", buf, *res_ptr);
+        }
+#endif
+        seq_putc(m, '\n');
+        return 0;
+}
+
+static int proc_pcxl_dma_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, proc_pcxl_dma_show, NULL);
+}
+
+static const struct file_operations proc_pcxl_dma_ops = {
+        .owner          = THIS_MODULE,
+        .open           = proc_pcxl_dma_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
 static int __init
 pcxl_dma_init(void)
 {
@@ -348,9 +396,10 @@ pcxl_dma_init(void)
                         "pcxl_dma_init: Unable to create gsc /proc dir entry\n");
         else {
                 struct proc_dir_entry* ent;
-                ent = create_proc_info_entry("pcxl_dma", 0,
-                                proc_gsc_root, pcxl_proc_info);
-                if (!ent)
+                ent = create_proc_entry("pcxl_dma", 0, proc_gsc_root);
+                if (ent)
+                        ent->proc_fops = &proc_pcxl_dma_ops;
+                else
                         printk(KERN_WARNING
                                 "pci-dma.c: Unable to create pcxl_dma /proc entry.\n");
         }
@@ -551,40 +600,3 @@ struct hppa_dma_ops pcx_dma_ops = {
         .dma_sync_sg_for_cpu =          pa11_dma_sync_sg_for_cpu,
         .dma_sync_sg_for_device =       pa11_dma_sync_sg_for_device,
 };
-
-
-static int pcxl_proc_info(char *buf, char **start, off_t offset, int len)
-{
-#if 0
-        u_long i = 0;
-        unsigned long *res_ptr = (u_long *)pcxl_res_map;
-#endif
-        unsigned long total_pages = pcxl_res_size << 3;   /* 8 bits per byte */
-
-        sprintf(buf, "\nDMA Mapping Area size    : %d bytes (%ld pages)\n",
-                PCXL_DMA_MAP_SIZE, total_pages);
-        
-        sprintf(buf, "%sResource bitmap : %d bytes\n", buf, pcxl_res_size);
-
-        strcat(buf,  "            total:    free:    used:   % used:\n");
-        sprintf(buf, "%sblocks  %8d %8ld %8ld %8ld%%\n", buf, pcxl_res_size,
-                pcxl_res_size - pcxl_used_bytes, pcxl_used_bytes,
-                (pcxl_used_bytes * 100) / pcxl_res_size);
-
-        sprintf(buf, "%spages   %8ld %8ld %8ld %8ld%%\n", buf, total_pages,
-                total_pages - pcxl_used_pages, pcxl_used_pages,
-                (pcxl_used_pages * 100 / total_pages));
-
-#if 0
-        strcat(buf, "\nResource bitmap:");
-
-        for(; i < (pcxl_res_size / sizeof(u_long)); ++i, ++res_ptr) {
-                if ((i & 7) == 0)
-                    strcat(buf,"\n   ");
-                sprintf(buf, "%s %08lx", buf, *res_ptr);
-        }
-#endif
-        strcat(buf, "\n");
-        return strlen(buf);
-}
-
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index a46bc62b643e..89d6d5ad44b5 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -171,7 +171,7 @@ static const uint64_t perf_bitmasks[] = {
 
 /*
  * Write control bitmasks for Pa-8700 processor given
- * somethings have changed slightly.
+ * some things have changed slightly.
  */
 static const uint64_t perf_bitmasks_piranha[] = {
         0x0000000000000000ul,     /* first dbl word must be zero */
@@ -511,10 +511,12 @@ static int __init perf_init(void)
         } else if (boot_cpu_data.cpu_type == pcxw ||
                  boot_cpu_data.cpu_type == pcxw_ ||
                  boot_cpu_data.cpu_type == pcxw2 ||
-                 boot_cpu_data.cpu_type == mako) {
+                 boot_cpu_data.cpu_type == mako ||
+                 boot_cpu_data.cpu_type == mako2) {
                 perf_processor_interface = CUDA_INTF;
                 if (boot_cpu_data.cpu_type == pcxw2 ||
-                    boot_cpu_data.cpu_type == mako) 
+                    boot_cpu_data.cpu_type == mako ||
+                    boot_cpu_data.cpu_type == mako2)
                         bitmask_array = perf_bitmasks_piranha;
         } else {
                 perf_processor_interface = UNKNOWN_INTF;
@@ -574,27 +576,27 @@ static int perf_stop_counters(uint32_t *raddr)
                 if (!perf_rdr_read_ubuf(16, userbuf))
                         return -13;
 
-                /* Counter0 is bits 1398 thru 1429 */
+                /* Counter0 is bits 1398 to 1429 */
                 tmp64 =  (userbuf[21] << 22) & 0x00000000ffc00000;
                 tmp64 |= (userbuf[22] >> 42) & 0x00000000003fffff;
                 /* OR sticky0 (bit 1430) to counter0 bit 32 */
                 tmp64 |= (userbuf[22] >> 10) & 0x0000000080000000;
                 raddr[0] = (uint32_t)tmp64;
 
-                /* Counter1 is bits 1431 thru 1462 */
+                /* Counter1 is bits 1431 to 1462 */
                 tmp64 =  (userbuf[22] >> 9) & 0x00000000ffffffff;
                 /* OR sticky1 (bit 1463) to counter1 bit 32 */
                 tmp64 |= (userbuf[22] << 23) & 0x0000000080000000;
                 raddr[1] = (uint32_t)tmp64;
 
-                /* Counter2 is bits 1464 thru 1495 */
+                /* Counter2 is bits 1464 to 1495 */
                 tmp64 =  (userbuf[22] << 24) & 0x00000000ff000000;
                 tmp64 |= (userbuf[23] >> 40) & 0x0000000000ffffff;
                 /* OR sticky2 (bit 1496) to counter2 bit 32 */
                 tmp64 |= (userbuf[23] >> 8) & 0x0000000080000000;
                 raddr[2] = (uint32_t)tmp64;
                 
-                /* Counter3 is bits 1497 thru 1528 */
+                /* Counter3 is bits 1497 to 1528 */
                 tmp64 =  (userbuf[23] >> 7) & 0x00000000ffffffff;
                 /* OR sticky3 (bit 1529) to counter3 bit 32 */
                 tmp64 |= (userbuf[23] << 25) & 0x0000000080000000;
@@ -616,7 +618,7 @@ static int perf_stop_counters(uint32_t *raddr)
                 userbuf[23] = 0;
 
                 /* 
-                 * Write back the zero'ed bytes + the image given
+                 * Write back the zeroed bytes + the image given
                  * the read was destructive.
                  */
                 perf_rdr_write(16, userbuf);
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 0dd3847f494c..355664812b83 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -381,6 +381,10 @@ get_wchan(struct task_struct *p)
         struct unwind_frame_info info;
         unsigned long ip;
         int count = 0;
+
+        if (!p || p == current || p->state == TASK_RUNNING)
+                return 0;
+
         /*
          * These bracket the sleeping functions..
          */
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 566226d78bc9..549f5484342c 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -63,7 +63,7 @@ extern int update_cr16_clocksource(void);	/* from time.c */
 ** will call register_parisc_driver(&cpu_driver) before calling do_inventory().
 **
 ** The goal of consolidating CPU initialization into one place is
-** to make sure all CPU's get initialized the same way.
+** to make sure all CPUs get initialized the same way.
 ** The code path not shared is how PDC hands control of the CPU to the OS.
 ** The initialization of OS data structures is the same (done below).
 */
@@ -76,7 +76,7 @@ extern int update_cr16_clocksource(void);	/* from time.c */
  * (return 1).  If so, initialize the chip and tell other partners in crime 
  * they have work to do.
  */
-static int __init processor_probe(struct parisc_device *dev)
+static int __cpuinit processor_probe(struct parisc_device *dev)
 {
         unsigned long txn_addr;
         unsigned long cpuid;
@@ -166,7 +166,7 @@ static int __init processor_probe(struct parisc_device *dev)
 #endif
 
         /*
-        ** CONFIG_SMP: init_smp_config() will attempt to get CPU's into
+        ** CONFIG_SMP: init_smp_config() will attempt to get CPUs into
         ** OS control. RENDEZVOUS is the default state - see mem_set above.
         **      p->state = STATE_RENDEZVOUS;
         */
@@ -334,7 +334,7 @@ int __init init_per_cpu(int cpunum)
 }
 
 /*
- * Display cpu info for all cpu's.
+ * Display CPU info for all CPUs.
  */
 int
 show_cpuinfo (struct seq_file *m, void *v)
@@ -381,19 +381,19 @@ show_cpuinfo (struct seq_file *m, void *v)
         return 0;
 }
 
-static struct parisc_device_id processor_tbl[] __read_mostly = {
+static const struct parisc_device_id processor_tbl[] = {
         { HPHW_NPROC, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, SVERSION_ANY_ID },
         { 0, }
 };
 
-static struct parisc_driver cpu_driver __read_mostly = {
+static struct parisc_driver cpu_driver = {
         .name           = "CPU",
         .id_table       = processor_tbl,
         .probe          = processor_probe
 };
 
 /**
- * processor_init - Processor initalization procedure.
+ * processor_init - Processor initialization procedure.
  *
  * Register this driver.
  */
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 9818919571fd..c44b8c51f5d1 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -45,7 +45,7 @@
 #include <asm/io.h>
 #include <asm/setup.h>
 
-char    __initdata command_line[COMMAND_LINE_SIZE];
+static char __initdata command_line[COMMAND_LINE_SIZE];
 
 /* Intended for ccio/sba/cpu statistics under /proc/bus/{runway|gsc} */
 struct proc_dir_entry * proc_runway_root __read_mostly = NULL;
@@ -162,7 +162,7 @@ void __init setup_arch(char **cmdline_p)
 }
 
 /*
- * Display cpu info for all cpu's.
+ * Display CPU info for all CPUs.
  * for parisc this is in processor.c
  */
 extern int show_cpuinfo (struct seq_file *m, void *v);
@@ -225,6 +225,7 @@ static void __init parisc_proc_mkdir(void)
                 }
                 break;
         case mako:
+        case mako2:
                 if (NULL == proc_mckinley_root)
                 {
                         proc_mckinley_root = proc_mkdir("bus/mckinley", NULL);
diff --git a/arch/parisc/kernel/signal32.h b/arch/parisc/kernel/signal32.h
index e39b38a67a87..c7800846422c 100644
--- a/arch/parisc/kernel/signal32.h
+++ b/arch/parisc/kernel/signal32.h
@@ -113,7 +113,7 @@ int copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from);
 /* In a deft move of uber-hackery, we decide to carry the top half of all
  * 64-bit registers in a non-portable, non-ABI, hidden structure.
  * Userspace can read the hidden structure if it *wants* but is never
- * guaranteed to be in the same place. Infact the uc_sigmask from the
+ * guaranteed to be in the same place. In fact the uc_sigmask from the
  * ucontext_t structure may push the hidden register file downards
  */
 struct compat_regfile {
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 6ba9257fdb7f..04c7e1d36cea 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -8,7 +8,7 @@
 ** Lots of stuff stolen from arch/alpha/kernel/smp.c
 ** ...and then parisc stole from arch/ia64/kernel/smp.c. Thanks David! :^)
 **
-** Thanks to John Curry and Ullas Ponnadi. I learned alot from their work.
+** Thanks to John Curry and Ullas Ponnadi. I learned a lot from their work.
 ** -grant (1/12/2001)
 **
 **      This program is free software; you can redistribute it and/or modify
@@ -419,7 +419,7 @@ smp_cpu_init(int cpunum)
                 BUG();
         enter_lazy_tlb(&init_mm, current);
 
-        init_IRQ();   /* make sure no IRQ's are enabled or pending */
+        init_IRQ();   /* make sure no IRQs are enabled or pending */
         start_cpu_itimer();
 }
 
@@ -461,7 +461,7 @@ void __init smp_callin(void)
 /*
  * Bring one cpu online.
  */
-int __init smp_boot_one_cpu(int cpuid)
+int __cpuinit smp_boot_one_cpu(int cpuid)
 {
         struct task_struct *idle;
         long timeout;
@@ -552,7 +552,7 @@ void __devinit smp_prepare_boot_cpu(void)
 
 /*
 ** inventory.c:do_inventory() hasn't yet been run and thus we
-** don't 'discover' the additional CPU's until later.
+** don't 'discover' the additional CPUs until later.
 */
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index ce3245f87fdd..bb23ff71c28e 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -311,14 +311,13 @@ struct readdir32_callback {
         int count;
 };
 
-#define ROUND_UP(x,a)   ((__typeof__(x))(((unsigned long)(x) + ((a) - 1)) & ~((a) - 1)))
 #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
 static int filldir32 (void *__buf, const char *name, int namlen,
                         loff_t offset, u64 ino, unsigned int d_type)
 {
         struct linux32_dirent __user * dirent;
         struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
-        int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1, 4);
+        int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, 4);
         u32 d_ino;
 
         buf->error = -EINVAL;   /* only used if we fail.. */
@@ -350,6 +349,10 @@ sys32_getdents (unsigned int fd, void __user * dirent, unsigned int count)
         struct getdents32_callback buf;
         int error;
 
+        error = -EFAULT;
+        if (!access_ok(VERIFY_WRITE, dirent, count))
+                goto out;
+
         error = -EBADF;
         file = fget(fd);
         if (!file)
@@ -366,8 +369,10 @@ sys32_getdents (unsigned int fd, void __user * dirent, unsigned int count)
         error = buf.error;
         lastdirent = buf.previous;
         if (lastdirent) {
-                put_user(file->f_pos, &lastdirent->d_off);
-                error = count - buf.count;
+                if (put_user(file->f_pos, &lastdirent->d_off))
+                        error = -EFAULT;
+                else
+                        error = count - buf.count;
         }
 
 out_putf:
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 10859f53e94f..56f6231cb863 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -181,7 +181,7 @@ linux_gateway_entry:
         /* Are we being ptraced? */
         mfctl   %cr30, %r1
         LDREG   TI_TASK(%r1),%r1
-        LDREG   TASK_PTRACE(%r1), %r1
+        ldw     TASK_PTRACE(%r1), %r1
         bb,<,n  %r1,31,.Ltracesys
         
         /* Note!  We cannot use the syscall table that is mapped
@@ -198,7 +198,7 @@ linux_gateway_entry:
         ldil    L%sys_call_table, %r1
         ldo     R%sys_call_table(%r1), %r19
 #endif  
-        comiclr,>>=     __NR_Linux_syscalls, %r20, %r0
+        comiclr,>>      __NR_Linux_syscalls, %r20, %r0
         b,n     .Lsyscall_nosys
         
         LDREGX  %r20(%r19), %r19
@@ -501,7 +501,7 @@ lws_compare_and_swap:
         shlw    %r20, 4, %r20
         add     %r20, %r28, %r20
 
-# ifdef ENABLE_LWS_DEBUG
+# if ENABLE_LWS_DEBUG
         /*      
                 DEBUG, check for deadlock! 
                 If the thread register values are the same
@@ -550,7 +550,7 @@ cas_wouldblock:
                 perspective
         */
 cas_action:
-#if defined CONFIG_SMP && defined ENABLE_LWS_DEBUG
+#if defined CONFIG_SMP && ENABLE_LWS_DEBUG
         /* DEBUG */
         mfctl   %cr27, %r1
         stw     %r1, 4(%sr2,%r20)
@@ -562,7 +562,7 @@ cas_action:
 #ifdef CONFIG_SMP
         /* Free lock */
         stw     %r20, 0(%sr2,%r20)
-# ifdef ENABLE_LWS_DEBUG
+# if ENABLE_LWS_DEBUG
         /* Clear thread register indicator */
         stw     %r0, 4(%sr2,%r20)
 # endif
@@ -576,7 +576,7 @@ cas_action:
 #ifdef CONFIG_SMP
         /* Free lock */
         stw     %r20, 0(%sr2,%r20)
-# ifdef ENABLE_LWS_DEBUG
+# if ENABLE_LWS_DEBUG
         stw     %r0, 4(%sr2,%r20)
 # endif
 #endif
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 8bf87e5d9c37..627f3c28ad8c 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -30,11 +30,6 @@
  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#undef ENTRY_SAME
-#undef ENTRY_DIFF
-#undef ENTRY_UHOH
-#undef ENTRY_COMP
-#undef ENTRY_OURS
 #if defined(CONFIG_64BIT) && !defined(SYSCALL_TABLE_64BIT)
 /* Use ENTRY_SAME for 32-bit syscalls which are the same on wide and
  * narrow palinux.  Use ENTRY_DIFF for those where a 32-bit specific
@@ -405,5 +400,16 @@
         ENTRY_SAME(epoll_pwait)
         ENTRY_COMP(statfs64)
         ENTRY_COMP(fstatfs64)
+        ENTRY_COMP(kexec_load)          /* 300 */
+        ENTRY_COMP(utimensat)
+        ENTRY_COMP(signalfd)
+        ENTRY_COMP(timerfd)
+        ENTRY_SAME(eventfd)
+
         /* Nothing yet */
 
+#undef ENTRY_SAME
+#undef ENTRY_DIFF
+#undef ENTRY_UHOH
+#undef ENTRY_COMP
+#undef ENTRY_OURS
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 07a991aa9b0c..8b3062a5c812 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -191,7 +191,7 @@ int update_cr16_clocksource(void)
 {
         int change = 0;
 
-        /* since the cr16 cycle counters are not syncronized across CPUs,
+        /* since the cr16 cycle counters are not synchronized across CPUs,
            we'll check if we should switch to a safe clocksource: */
         if (clocksource_cr16.rating != 0 && num_online_cpus() > 1) {
                 clocksource_change_rating(&clocksource_cr16, 0);
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 745ff741490a..c3ec9f1ec0f3 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -615,7 +615,7 @@ void handle_interruption(int code, struct pt_regs *regs)
                 
         case 13:
                 /* Conditional Trap
-                   The condition succees in an instruction which traps 
+                   The condition succeeds in an instruction which traps
                    on condition  */
                 if(user_mode(regs)){
                         si.si_signo = SIGFPE;
@@ -802,13 +802,14 @@ void handle_interruption(int code, struct pt_regs *regs)
 
 int __init check_ivt(void *iva)
 {
+        extern const u32 os_hpmc[];
+        extern const u32 os_hpmc_end[];
+
         int i;
         u32 check = 0;
         u32 *ivap;
         u32 *hpmcp;
         u32 length;
-        extern void os_hpmc(void);
-        extern void os_hpmc_end(void);
 
         if (strcmp((char *)iva, "cows can fly"))
                 return -1;
@@ -820,7 +821,7 @@ int __init check_ivt(void *iva)
 
         /* Compute Checksum for HPMC handler */
 
-        length = (u32)((unsigned long)os_hpmc_end - (unsigned long)os_hpmc);
+        length = os_hpmc_end - os_hpmc;
         ivap[7] = length;
 
         hpmcp = (u32 *)os_hpmc;
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index 89c03707eccc..e70f57e27643 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -216,8 +216,10 @@ static void unwind_frame_regs(struct unwind_frame_info *info)
                 /* Handle some frequent special cases.... */
                 {
                         char symname[KSYM_NAME_LEN+1];
+                        char *modname;
 
-                        kallsyms_lookup(info->ip, NULL, NULL, NULL, symname);
+                        kallsyms_lookup(info->ip, NULL, NULL, &modname,
+                                symname);
 
                         dbg("info->ip = 0x%lx, name = %s\n", info->ip, symname);
 
diff --git a/arch/parisc/math-emu/dbl_float.h b/arch/parisc/math-emu/dbl_float.h
index 1570e2e0a327..0c2fa9a951b3 100644
--- a/arch/parisc/math-emu/dbl_float.h
+++ b/arch/parisc/math-emu/dbl_float.h
@@ -22,7 +22,7 @@
     PA header file -- do not include this header file for non-PA builds.
 #endif
 
-/* 32-bit word grabing functions */
+/* 32-bit word grabbing functions */
 #define Dbl_firstword(value) Dallp1(value)
 #define Dbl_secondword(value) Dallp2(value)
 #define Dbl_thirdword(value) dummy_location
@@ -37,7 +37,7 @@
 #define Dbl_allp1(object) Dallp1(object)
 #define Dbl_allp2(object) Dallp2(object)
 
-/* dbl_and_signs ands the sign bits of each argument and puts the result
+/* dbl_and_signs ANDs the sign bits of each argument and puts the result
  * into the first argument. dbl_or_signs ors those same sign bits */
 #define Dbl_and_signs( src1dst, src2)           \
     Dallp1(src1dst) = (Dallp1(src2)|~((unsigned int)1<<31)) & Dallp1(src1dst)
diff --git a/arch/parisc/math-emu/dfsqrt.c b/arch/parisc/math-emu/dfsqrt.c
index b6ed1066f1e4..9542c6d281a5 100644
--- a/arch/parisc/math-emu/dfsqrt.c
+++ b/arch/parisc/math-emu/dfsqrt.c
@@ -76,7 +76,7 @@ dbl_fsqrt(
                 }
                 /*
                  * Return quiet NaN or positive infinity.
-                 *  Fall thru to negative test if negative infinity.
+                 *  Fall through to negative test if negative infinity.
                  */
                 if (Dbl_iszero_sign(srcp1) || 
                     Dbl_isnotzero_mantissa(srcp1,srcp2)) {
diff --git a/arch/parisc/math-emu/sfsqrt.c b/arch/parisc/math-emu/sfsqrt.c
index cd3f6db1f6fb..4657a12c9107 100644
--- a/arch/parisc/math-emu/sfsqrt.c
+++ b/arch/parisc/math-emu/sfsqrt.c
@@ -76,7 +76,7 @@ sgl_fsqrt(
                 }
                 /*
                  * Return quiet NaN or positive infinity.
-                 *  Fall thru to negative test if negative infinity.
+                 *  Fall through to negative test if negative infinity.
                  */
                 if (Sgl_iszero_sign(src) || Sgl_isnotzero_mantissa(src)) {
                         *dstptr = src;
diff --git a/arch/parisc/math-emu/sgl_float.h b/arch/parisc/math-emu/sgl_float.h
index 82519a5c2ba5..4ee4cc95e4bf 100644
--- a/arch/parisc/math-emu/sgl_float.h
+++ b/arch/parisc/math-emu/sgl_float.h
@@ -23,7 +23,7 @@
     PA header file -- do not include this header file for non-PA builds.
 #endif
 
-/* 32-bit word grabing functions */
+/* 32-bit word grabbing functions */
 #define Sgl_firstword(value) Sall(value)
 #define Sgl_secondword(value) dummy_location
 #define Sgl_thirdword(value) dummy_location
@@ -36,7 +36,7 @@
 #define Sgl_exponentmantissa(object) Sexponentmantissa(object)
 #define Sgl_all(object) Sall(object)
 
-/* sgl_and_signs ands the sign bits of each argument and puts the result
+/* sgl_and_signs ANDs the sign bits of each argument and puts the result
  * into the first argument. sgl_or_signs ors those same sign bits */
 #define Sgl_and_signs( src1dst, src2)           \
     Sall(src1dst) = (Sall(src2)|~((unsigned int)1<<31)) & Sall(src1dst)
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 75ea9f2a8a41..e724b362c49a 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -890,7 +890,7 @@ void __init paging_init(void)
 #ifdef CONFIG_PA20
 
 /*
- * Currently, all PA20 chips have 18 bit protection id's, which is the
+ * Currently, all PA20 chips have 18 bit protection IDs, which is the
  * limiting factor (space ids are 32 bits).
  */
 
@@ -899,10 +899,10 @@ void __init paging_init(void)
 #else
 
 /*
- * Currently we have a one-to-one relationship between space id's and
- * protection id's. Older parisc chips (PCXS, PCXT, PCXL, PCXL2) only
- * support 15 bit protection id's, so that is the limiting factor.
- * PCXT' has 18 bit protection id's, but only 16 bit spaceids, so it's
+ * Currently we have a one-to-one relationship between space IDs and
+ * protection IDs. Older parisc chips (PCXS, PCXT, PCXL, PCXL2) only
+ * support 15 bit protection IDs, so that is the limiting factor.
+ * PCXT' has 18 bit protection IDs, but only 16 bit spaceids, so it's
  * probably not worth the effort for a special case here.
  */
 
diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c
index 87703df87509..cbca1df8bc60 100644
--- a/arch/powerpc/kernel/udbg.c
+++ b/arch/powerpc/kernel/udbg.c
@@ -151,12 +151,18 @@ static struct console udbg_console = {
 
 static int early_console_initialized;
 
-/* called by setup_system */
+/*
+ * Called by setup_system after ppc_md->probe and ppc_md->early_init.
+ * Call it again after setting udbg_putc in ppc_md->setup_arch.
+ */
 void register_early_udbg_console(void)
 {
         if (early_console_initialized)
                 return;
 
+        if (!udbg_putc)
+                return;
+
         if (strstr(boot_command_line, "udbg-immortal")) {
                 printk(KERN_INFO "early console immortal !\n");
                 udbg_console.flags &= ~CON_BOOT;
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 07b1c4ec428d..956571526a57 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -363,8 +363,19 @@ static void __init pmac_setup_arch(void)
                 smp_ops = &core99_smp_ops;
         }
 #ifdef CONFIG_PPC32
-        else
+        else {
+                /*
+                 * We have to set bits in cpu_possible_map here since the
+                 * secondary CPU(s) aren't in the device tree, and
+                 * setup_per_cpu_areas only allocates per-cpu data for
+                 * CPUs in the cpu_possible_map.
+                 */
+                int cpu;
+
+                for (cpu = 1; cpu < 4 && cpu < NR_CPUS; ++cpu)
+                        cpu_set(cpu, cpu_possible_map);
                 smp_ops = &psurge_smp_ops;
+        }
 #endif
 #endif /* CONFIG_SMP */
 
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 686ed82bde79..cb2d894541c6 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -317,7 +317,6 @@ static int __init smp_psurge_probe(void)
                 ncpus = NR_CPUS;
         for (i = 1; i < ncpus ; ++i) {
                 cpu_set(i, cpu_present_map);
-                cpu_set(i, cpu_possible_map);
                 set_hard_smp_processor_id(i, i);
         }
 
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 7d1a11822a1e..8059531bf0ac 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -2357,8 +2357,9 @@ sun4v_ldc_unmap:
          nop
         .size   sun4v_ldc_unmap, .-sun4v_ldc_unmap
 
-        /* %o0: cookie
-         * %o1: mte_cookie
+        /* %o0: channel
+         * %o1: cookie
+         * %o2: mte_cookie
          *
          * returns %o0: status
          */
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index a36f8dd0c021..e60d283f60bc 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -1,7 +1,6 @@
-/* $Id: irq.c,v 1.114 2002/01/11 08:45:38 davem Exp $
- * irq.c: UltraSparc IRQ handling/init/registry.
+/* irq.c: UltraSparc IRQ handling/init/registry.
  *
- * Copyright (C) 1997  David S. Miller  (davem@caip.rutgers.edu)
+ * Copyright (C) 1997, 2007  David S. Miller  (davem@davemloft.net)
  * Copyright (C) 1998  Eddie C. Dost    (ecd@skynet.be)
  * Copyright (C) 1998  Jakub Jelinek    (jj@ultra.linux.cz)
  */
@@ -43,6 +42,7 @@
 #include <asm/cpudata.h>
 #include <asm/auxio.h>
 #include <asm/head.h>
+#include <asm/hypervisor.h>
 
 /* UPA nodes send interrupt packet to UltraSparc with first data reg
  * value low 5 (7 on Starfire) bits holding the IRQ identifier being
@@ -380,6 +380,76 @@ static void sun4v_irq_end(unsigned int virt_irq)
         }
 }
 
+static void sun4v_virq_enable(unsigned int virt_irq)
+{
+        struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
+        unsigned int ino = bucket - &ivector_table[0];
+
+        if (likely(bucket)) {
+                unsigned long cpuid, dev_handle, dev_ino;
+                int err;
+
+                cpuid = irq_choose_cpu(virt_irq);
+
+                dev_handle = ino & IMAP_IGN;
+                dev_ino = ino & IMAP_INO;
+
+                err = sun4v_vintr_set_target(dev_handle, dev_ino, cpuid);
+                if (err != HV_EOK)
+                        printk("sun4v_vintr_set_target(%lx,%lx,%lu): "
+                               "err(%d)\n",
+                               dev_handle, dev_ino, cpuid, err);
+                err = sun4v_vintr_set_state(dev_handle, dev_ino,
+                                            HV_INTR_ENABLED);
+                if (err != HV_EOK)
+                        printk("sun4v_vintr_set_state(%lx,%lx,"
+                               "HV_INTR_ENABLED): err(%d)\n",
+                               dev_handle, dev_ino, err);
+        }
+}
+
+static void sun4v_virq_disable(unsigned int virt_irq)
+{
+        struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
+        unsigned int ino = bucket - &ivector_table[0];
+
+        if (likely(bucket)) {
+                unsigned long dev_handle, dev_ino;
+                int err;
+
+                dev_handle = ino & IMAP_IGN;
+                dev_ino = ino & IMAP_INO;
+
+                err = sun4v_vintr_set_state(dev_handle, dev_ino,
+                                            HV_INTR_DISABLED);
+                if (err != HV_EOK)
+                        printk("sun4v_vintr_set_state(%lx,%lx,"
+                               "HV_INTR_DISABLED): err(%d)\n",
+                               dev_handle, dev_ino, err);
+        }
+}
+
+static void sun4v_virq_end(unsigned int virt_irq)
+{
+        struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
+        unsigned int ino = bucket - &ivector_table[0];
+
+        if (likely(bucket)) {
+                unsigned long dev_handle, dev_ino;
+                int err;
+
+                dev_handle = ino & IMAP_IGN;
+                dev_ino = ino & IMAP_INO;
+
+                err = sun4v_vintr_set_state(dev_handle, dev_ino,
+                                            HV_INTR_STATE_IDLE);
+                if (err != HV_EOK)
+                        printk("sun4v_vintr_set_state(%lx,%lx,"
+                                "HV_INTR_STATE_IDLE): err(%d)\n",
+                               dev_handle, dev_ino, err);
+        }
+}
+
 static void run_pre_handler(unsigned int virt_irq)
 {
         struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
@@ -434,6 +504,21 @@ static struct irq_chip sun4v_msi = {
 };
 #endif
 
+static struct irq_chip sun4v_virq = {
+        .typename       = "vsun4v",
+        .enable         = sun4v_virq_enable,
+        .disable        = sun4v_virq_disable,
+        .end            = sun4v_virq_end,
+};
+
+static struct irq_chip sun4v_virq_ack = {
+        .typename       = "vsun4v+ack",
+        .enable         = sun4v_virq_enable,
+        .disable        = sun4v_virq_disable,
+        .ack            = run_pre_handler,
+        .end            = sun4v_virq_end,
+};
+
 void irq_install_pre_handler(int virt_irq,
                              void (*func)(unsigned int, void *, void *),
                              void *arg1, void *arg2)
@@ -447,7 +532,8 @@ void irq_install_pre_handler(int virt_irq,
 
         chip = get_irq_chip(virt_irq);
         if (chip == &sun4u_irq_ack ||
-            chip == &sun4v_irq_ack
+            chip == &sun4v_irq_ack ||
+            chip == &sun4v_virq_ack
 #ifdef CONFIG_PCI_MSI
             || chip == &sun4v_msi
 #endif
@@ -455,7 +541,9 @@ void irq_install_pre_handler(int virt_irq,
                 return;
 
         chip = (chip == &sun4u_irq ?
-                &sun4u_irq_ack : &sun4v_irq_ack);
+                &sun4u_irq_ack :
+                (chip == &sun4v_irq ?
+                 &sun4v_irq_ack : &sun4v_virq_ack));
         set_irq_chip(virt_irq, chip);
 }
 
@@ -492,19 +580,18 @@ out:
         return bucket->virt_irq;
 }
 
-unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino)
+static unsigned int sun4v_build_common(unsigned long sysino,
+                                       struct irq_chip *chip)
 {
         struct ino_bucket *bucket;
         struct irq_handler_data *data;
-        unsigned long sysino;
 
         BUG_ON(tlb_type != hypervisor);
 
-        sysino = sun4v_devino_to_sysino(devhandle, devino);
         bucket = &ivector_table[sysino];
         if (!bucket->virt_irq) {
                 bucket->virt_irq = virt_irq_alloc(__irq(bucket));
-                set_irq_chip(bucket->virt_irq, &sun4v_irq);
+                set_irq_chip(bucket->virt_irq, chip);
         }
 
         data = get_irq_chip_data(bucket->virt_irq);
@@ -529,6 +616,32 @@ out:
         return bucket->virt_irq;
 }
 
+unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino)
+{
+        unsigned long sysino = sun4v_devino_to_sysino(devhandle, devino);
+
+        return sun4v_build_common(sysino, &sun4v_irq);
+}
+
+unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
+{
+        unsigned long sysino, hv_err;
+
+        BUG_ON(devhandle & ~IMAP_IGN);
+        BUG_ON(devino & ~IMAP_INO);
+
+        sysino = devhandle | devino;
+
+        hv_err = sun4v_vintr_set_cookie(devhandle, devino, sysino);
+        if (hv_err) {
+                prom_printf("IRQ: Fatal, cannot set cookie for [%x:%x] "
+                            "err=%lu\n", devhandle, devino, hv_err);
+                prom_halt();
+        }
+
+        return sun4v_build_common(sysino, &sun4v_virq);
+}
+
 #ifdef CONFIG_PCI_MSI
 unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p,
                              unsigned int msi_start, unsigned int msi_end)
diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c
index f974fefc3ebc..4249214608af 100644
--- a/arch/sparc64/kernel/pci_common.c
+++ b/arch/sparc64/kernel/pci_common.c
@@ -291,8 +291,9 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
 
         for (i = 0; i < num_pbm_ranges; i++) {
                 const struct linux_prom_pci_ranges *pr = &pbm_ranges[i];
-                unsigned long a;
+                unsigned long a, size;
                 u32 parent_phys_hi, parent_phys_lo;
+                u32 size_hi, size_lo;
                 int type;
 
                 parent_phys_hi = pr->parent_phys_hi;
@@ -300,9 +301,14 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
                 if (tlb_type == hypervisor)
                         parent_phys_hi &= 0x0fffffff;
 
+                size_hi = pr->size_hi;
+                size_lo = pr->size_lo;
+
                 type = (pr->child_phys_hi >> 24) & 0x3;
                 a = (((unsigned long)parent_phys_hi << 32UL) |
                      ((unsigned long)parent_phys_lo  <<  0UL));
+                size = (((unsigned long)size_hi << 32UL) |
+                        ((unsigned long)size_lo  <<  0UL));
 
                 switch (type) {
                 case 0:
@@ -313,7 +319,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
                 case 1:
                         /* 16-bit IO space, 16MB */
                         pbm->io_space.start = a;
-                        pbm->io_space.end = a + ((16UL*1024UL*1024UL) - 1UL);
+                        pbm->io_space.end = a + size - 1UL;
                         pbm->io_space.flags = IORESOURCE_IO;
                         saw_io = 1;
                         break;
@@ -321,7 +327,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
                 case 2:
                         /* 32-bit MEM space, 2GB */
                         pbm->mem_space.start = a;
-                        pbm->mem_space.end = a + (0x80000000UL - 1UL);
+                        pbm->mem_space.end = a + size - 1UL;
                         pbm->mem_space.flags = IORESOURCE_MEM;
                         saw_mem = 1;
                         break;