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

24 files changed, 245 insertions, 649 deletions

diff --git a/CREDITS b/CREDITS
index 192f749eba25..1b4f8694fa48 100644
--- a/CREDITS
+++ b/CREDITS
@@ -611,8 +611,7 @@ S: USA
 N: Randolph Chung
 E: tausq@debian.org
 D: Linux/PA-RISC hacker
-S: Los Altos, CA 94022
-S: USA
+S: Hong Kong
 
 N: Juan Jose Ciarlante
 W: http://juanjox.kernelnotes.org/
@@ -3405,6 +3404,15 @@ S: Chudenicka 8
 S: 10200 Prague 10, Hostivar
 S: Czech Republic
 
+N: Thibaut Varene
+E: T-Bone@parisc-linux.org
+W: http://www.parisc-linux.org/
+P: 1024D/B7D2F063 E67C 0D43 A75E 12A5 BB1C  FA2F 1E32 C3DA B7D2 F063
+D: PA-RISC port minion, PDC and GSCPS2 drivers, debuglocks and other bits
+D: Some bits in an ARM port, S1D13XXX FB driver, random patches here and there
+D: AD1889 sound driver
+S: Paris, France
+
 N: Heikki Vatiainen
 E: hessu@cs.tut.fi
 D: Co-author of Multi-Protocol Over ATM (MPOA), some LANE hacks
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 988844a169e6..d016d672ec2b 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -499,8 +499,12 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path)
 
         dev = create_parisc_device(mod_path);
         if (dev->id.hw_type != HPHW_FAULTY) {
-                printk("Two devices have hardware path %s.  Please file a bug with HP.\n"
-                        "In the meantime, you could try rearranging your cards.\n", parisc_pathname(dev));
+                printk(KERN_ERR "Two devices have hardware path [%s].  "
+                                "IODC data for second device: "
+                                "%02x%02x%02x%02x%02x%02x\n"
+                                "Rearranging GSC cards sometimes helps\n",
+                        parisc_pathname(dev), iodc_data[0], iodc_data[1],
+                        iodc_data[3], iodc_data[4], iodc_data[5], iodc_data[6]);
                 return NULL;
         }
 
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index c7e66ee5b083..9af4b22a6d77 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -1846,6 +1846,7 @@ sys_clone_wrapper:
         ldo     -16(%r30),%r29          /* Reference param save area */
 #endif
 
+        /* WARNING - Clobbers r19 and r21, userspace must save these! */
         STREG   %r2,PT_GR19(%r1)        /* save for child */
         STREG   %r30,PT_GR21(%r1)
         BL      sys_clone,%r2
diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c
index 1a1c66422736..8f563871e83c 100644
--- a/arch/parisc/kernel/inventory.c
+++ b/arch/parisc/kernel/inventory.c
@@ -188,7 +188,7 @@ pat_query_module(ulong pcell_loc, ulong mod_index)
         temp = pa_pdc_cell.cba;
         dev = alloc_pa_dev(PAT_GET_CBA(temp), &pa_pdc_cell.mod_path);
         if (!dev) {
-                return PDC_NE_MOD;
+                return PDC_OK;
         }
 
         /* alloc_pa_dev sets dev->hpa */
diff --git a/arch/parisc/kernel/ioctl32.c b/arch/parisc/kernel/ioctl32.c
index 0a331104ad56..4eada1bb27f0 100644
--- a/arch/parisc/kernel/ioctl32.c
+++ b/arch/parisc/kernel/ioctl32.c
@@ -19,536 +19,6 @@
 #define CODE
 #include "compat_ioctl.c"
 
-/* Use this to get at 32-bit user passed pointers. 
-   See sys_sparc32.c for description about these. */
-#define A(__x) ((unsigned long)(__x))
-/* The same for use with copy_from_user() and copy_to_user(). */
-#define B(__x) ((void *)(unsigned long)(__x))
-
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-/* This really belongs in include/linux/drm.h -DaveM */
-#include "../../../drivers/char/drm/drm.h"
-
-typedef struct drm32_version {
-        int    version_major;     /* Major version                          */
-        int    version_minor;     /* Minor version                          */
-        int    version_patchlevel;/* Patch level                            */
-        int    name_len;          /* Length of name buffer                  */
-        u32    name;              /* Name of driver                         */
-        int    date_len;          /* Length of date buffer                  */
-        u32    date;              /* User-space buffer to hold date         */
-        int    desc_len;          /* Length of desc buffer                  */
-        u32    desc;              /* User-space buffer to hold desc         */
-} drm32_version_t;
-#define DRM32_IOCTL_VERSION    DRM_IOWR(0x00, drm32_version_t)
-
-static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        drm32_version_t *uversion = (drm32_version_t *)arg;
-        char *name_ptr, *date_ptr, *desc_ptr;
-        u32 tmp1, tmp2, tmp3;
-        drm_version_t kversion;
-        mm_segment_t old_fs;
-        int ret;
-
-        memset(&kversion, 0, sizeof(kversion));
-        if (get_user(kversion.name_len, &uversion->name_len) ||
-            get_user(kversion.date_len, &uversion->date_len) ||
-            get_user(kversion.desc_len, &uversion->desc_len) ||
-            get_user(tmp1, &uversion->name) ||
-            get_user(tmp2, &uversion->date) ||
-            get_user(tmp3, &uversion->desc))
-                return -EFAULT;
-
-        name_ptr = (char *) A(tmp1);
-        date_ptr = (char *) A(tmp2);
-        desc_ptr = (char *) A(tmp3);
-
-        ret = -ENOMEM;
-        if (kversion.name_len && name_ptr) {
-                kversion.name = kmalloc(kversion.name_len, GFP_KERNEL);
-                if (!kversion.name)
-                        goto out;
-        }
-        if (kversion.date_len && date_ptr) {
-                kversion.date = kmalloc(kversion.date_len, GFP_KERNEL);
-                if (!kversion.date)
-                        goto out;
-        }
-        if (kversion.desc_len && desc_ptr) {
-                kversion.desc = kmalloc(kversion.desc_len, GFP_KERNEL);
-                if (!kversion.desc)
-                        goto out;
-        }
-
-        old_fs = get_fs();
-        set_fs(KERNEL_DS);
-        ret = sys_ioctl (fd, DRM_IOCTL_VERSION, (unsigned long)&kversion);
-        set_fs(old_fs);
-
-        if (!ret) {
-                if ((kversion.name &&
-                     copy_to_user(name_ptr, kversion.name, kversion.name_len)) ||
-                    (kversion.date &&
-                     copy_to_user(date_ptr, kversion.date, kversion.date_len)) ||
-                    (kversion.desc &&
-                     copy_to_user(desc_ptr, kversion.desc, kversion.desc_len)))
-                        ret = -EFAULT;
-                if (put_user(kversion.version_major, &uversion->version_major) ||
-                    put_user(kversion.version_minor, &uversion->version_minor) ||
-                    put_user(kversion.version_patchlevel, &uversion->version_patchlevel) ||
-                    put_user(kversion.name_len, &uversion->name_len) ||
-                    put_user(kversion.date_len, &uversion->date_len) ||
-                    put_user(kversion.desc_len, &uversion->desc_len))
-                        ret = -EFAULT;
-        }
-
-out:
-        kfree(kversion.name);
-        kfree(kversion.date);
-        kfree(kversion.desc);
-        return ret;
-}
-
-typedef struct drm32_unique {
-        int     unique_len;       /* Length of unique                       */
-        u32     unique;           /* Unique name for driver instantiation   */
-} drm32_unique_t;
-#define DRM32_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm32_unique_t)
-#define DRM32_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm32_unique_t)
-
-static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        drm32_unique_t *uarg = (drm32_unique_t *)arg;
-        drm_unique_t karg;
-        mm_segment_t old_fs;
-        char *uptr;
-        u32 tmp;
-        int ret;
-
-        if (get_user(karg.unique_len, &uarg->unique_len))
-                return -EFAULT;
-        karg.unique = NULL;
-
-        if (get_user(tmp, &uarg->unique))
-                return -EFAULT;
-
-        uptr = (char *) A(tmp);
-
-        if (uptr) {
-                karg.unique = kmalloc(karg.unique_len, GFP_KERNEL);
-                if (!karg.unique)
-                        return -ENOMEM;
-                if (cmd == DRM32_IOCTL_SET_UNIQUE &&
-                    copy_from_user(karg.unique, uptr, karg.unique_len)) {
-                        kfree(karg.unique);
-                        return -EFAULT;
-                }
-        }
-
-        old_fs = get_fs();
-        set_fs(KERNEL_DS);
-        if (cmd == DRM32_IOCTL_GET_UNIQUE)
-                ret = sys_ioctl (fd, DRM_IOCTL_GET_UNIQUE, (unsigned long)&karg);
-        else
-                ret = sys_ioctl (fd, DRM_IOCTL_SET_UNIQUE, (unsigned long)&karg);
-        set_fs(old_fs);
-
-        if (!ret) {
-                if (cmd == DRM32_IOCTL_GET_UNIQUE &&
-                    uptr != NULL &&
-                    copy_to_user(uptr, karg.unique, karg.unique_len))
-                        ret = -EFAULT;
-                if (put_user(karg.unique_len, &uarg->unique_len))
-                        ret = -EFAULT;
-        }
-
-        kfree(karg.unique);
-        return ret;
-}
-
-typedef struct drm32_map {
-        u32             offset;  /* Requested physical address (0 for SAREA)*/
-        u32             size;    /* Requested physical size (bytes)         */
-        drm_map_type_t  type;    /* Type of memory to map                   */
-        drm_map_flags_t flags;   /* Flags                                   */
-        u32             handle;  /* User-space: "Handle" to pass to mmap    */
-                                 /* Kernel-space: kernel-virtual address    */
-        int             mtrr;    /* MTRR slot used                          */
-                                 /* Private data                            */
-} drm32_map_t;
-#define DRM32_IOCTL_ADD_MAP    DRM_IOWR(0x15, drm32_map_t)
-
-static int drm32_addmap(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        drm32_map_t *uarg = (drm32_map_t *) arg;
-        drm_map_t karg;
-        mm_segment_t old_fs;
-        u32 tmp;
-        int ret;
-
-        ret  = get_user(karg.offset, &uarg->offset);
-        ret |= get_user(karg.size, &uarg->size);
-        ret |= get_user(karg.type, &uarg->type);
-        ret |= get_user(karg.flags, &uarg->flags);
-        ret |= get_user(tmp, &uarg->handle);
-        ret |= get_user(karg.mtrr, &uarg->mtrr);
-        if (ret)
-                return -EFAULT;
-
-        karg.handle = (void *) A(tmp);
-
-        old_fs = get_fs();
-        set_fs(KERNEL_DS);
-        ret = sys_ioctl(fd, DRM_IOCTL_ADD_MAP, (unsigned long) &karg);
-        set_fs(old_fs);
-
-        if (!ret) {
-                ret  = put_user(karg.offset, &uarg->offset);
-                ret |= put_user(karg.size, &uarg->size);
-                ret |= put_user(karg.type, &uarg->type);
-                ret |= put_user(karg.flags, &uarg->flags);
-                tmp = (u32) (long)karg.handle;
-                ret |= put_user(tmp, &uarg->handle);
-                ret |= put_user(karg.mtrr, &uarg->mtrr);
-                if (ret)
-                        ret = -EFAULT;
-        }
-
-        return ret;
-}
-
-typedef struct drm32_buf_info {
-        int            count;   /* Entries in list                           */
-        u32            list;    /* (drm_buf_desc_t *) */ 
-} drm32_buf_info_t;
-#define DRM32_IOCTL_INFO_BUFS  DRM_IOWR(0x18, drm32_buf_info_t)
-
-static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        drm32_buf_info_t *uarg = (drm32_buf_info_t *)arg;
-        drm_buf_desc_t *ulist;
-        drm_buf_info_t karg;
-        mm_segment_t old_fs;
-        int orig_count, ret;
-        u32 tmp;
-
-        if (get_user(karg.count, &uarg->count) ||
-            get_user(tmp, &uarg->list))
-                return -EFAULT;
-
-        ulist = (drm_buf_desc_t *) A(tmp);
-
-        orig_count = karg.count;
-
-        karg.list = kmalloc(karg.count * sizeof(drm_buf_desc_t), GFP_KERNEL);
-        if (!karg.list)
-                return -EFAULT;
-
-        old_fs = get_fs();
-        set_fs(KERNEL_DS);
-        ret = sys_ioctl(fd, DRM_IOCTL_INFO_BUFS, (unsigned long) &karg);
-        set_fs(old_fs);
-
-        if (!ret) {
-                if (karg.count <= orig_count &&
-                    (copy_to_user(ulist, karg.list,
-                                  karg.count * sizeof(drm_buf_desc_t))))
-                        ret = -EFAULT;
-                if (put_user(karg.count, &uarg->count))
-                        ret = -EFAULT;
-        }
-
-        kfree(karg.list);
-        return ret;
-}
-
-typedef struct drm32_buf_free {
-        int            count;
-        u32            list;    /* (int *) */
-} drm32_buf_free_t;
-#define DRM32_IOCTL_FREE_BUFS  DRM_IOW( 0x1a, drm32_buf_free_t)
-
-static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        drm32_buf_free_t *uarg = (drm32_buf_free_t *)arg;
-        drm_buf_free_t karg;
-        mm_segment_t old_fs;
-        int *ulist;
-        int ret;
-        u32 tmp;
-
-        if (get_user(karg.count, &uarg->count) ||
-            get_user(tmp, &uarg->list))
-                return -EFAULT;
-
-        ulist = (int *) A(tmp);
-
-        karg.list = kmalloc(karg.count * sizeof(int), GFP_KERNEL);
-        if (!karg.list)
-                return -ENOMEM;
-
-        ret = -EFAULT;
-        if (copy_from_user(karg.list, ulist, (karg.count * sizeof(int))))
-                goto out;
-
-        old_fs = get_fs();
-        set_fs(KERNEL_DS);
-        ret = sys_ioctl(fd, DRM_IOCTL_FREE_BUFS, (unsigned long) &karg);
-        set_fs(old_fs);
-
-out:
-        kfree(karg.list);
-        return ret;
-}
-
-typedef struct drm32_buf_pub {
-        int               idx;         /* Index into master buflist          */
-        int               total;       /* Buffer size                        */
-        int               used;        /* Amount of buffer in use (for DMA)  */
-        u32               address;     /* Address of buffer (void *)         */
-} drm32_buf_pub_t;
-
-typedef struct drm32_buf_map {
-        int           count;    /* Length of buflist                        */
-        u32           virtual;  /* Mmaped area in user-virtual (void *)     */
-        u32           list;     /* Buffer information (drm_buf_pub_t *)     */
-} drm32_buf_map_t;
-#define DRM32_IOCTL_MAP_BUFS   DRM_IOWR(0x19, drm32_buf_map_t)
-
-static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        drm32_buf_map_t *uarg = (drm32_buf_map_t *)arg;
-        drm32_buf_pub_t *ulist;
-        drm_buf_map_t karg;
-        mm_segment_t old_fs;
-        int orig_count, ret, i;
-        u32 tmp1, tmp2;
-
-        if (get_user(karg.count, &uarg->count) ||
-            get_user(tmp1, &uarg->virtual) ||
-            get_user(tmp2, &uarg->list))
-                return -EFAULT;
-
-        karg.virtual = (void *) A(tmp1);
-        ulist = (drm32_buf_pub_t *) A(tmp2);
-
-        orig_count = karg.count;
-
-        karg.list = kmalloc(karg.count * sizeof(drm_buf_pub_t), GFP_KERNEL);
-        if (!karg.list)
-                return -ENOMEM;
-
-        ret = -EFAULT;
-        for (i = 0; i < karg.count; i++) {
-                if (get_user(karg.list[i].idx, &ulist[i].idx) ||
-                    get_user(karg.list[i].total, &ulist[i].total) ||
-                    get_user(karg.list[i].used, &ulist[i].used) ||
-                    get_user(tmp1, &ulist[i].address))
-                        goto out;
-
-                karg.list[i].address = (void *) A(tmp1);
-        }
-
-        old_fs = get_fs();
-        set_fs(KERNEL_DS);
-        ret = sys_ioctl(fd, DRM_IOCTL_MAP_BUFS, (unsigned long) &karg);
-        set_fs(old_fs);
-
-        if (!ret) {
-                for (i = 0; i < orig_count; i++) {
-                        tmp1 = (u32) (long) karg.list[i].address;
-                        if (put_user(karg.list[i].idx, &ulist[i].idx) ||
-                            put_user(karg.list[i].total, &ulist[i].total) ||
-                            put_user(karg.list[i].used, &ulist[i].used) ||
-                            put_user(tmp1, &ulist[i].address)) {
-                                ret = -EFAULT;
-                                goto out;
-                        }
-                }
-                if (put_user(karg.count, &uarg->count))
-                        ret = -EFAULT;
-        }
-
-out:
-        kfree(karg.list);
-        return ret;
-}
-
-typedef struct drm32_dma {
-                                /* Indices here refer to the offset into
-                                   buflist in drm_buf_get_t.  */
-        int             context;          /* Context handle                 */
-        int             send_count;       /* Number of buffers to send      */
-        u32             send_indices;     /* List of handles to buffers (int *) */
-        u32             send_sizes;       /* Lengths of data to send (int *) */
-        drm_dma_flags_t flags;            /* Flags                          */
-        int             request_count;    /* Number of buffers requested    */
-        int             request_size;     /* Desired size for buffers       */
-        u32             request_indices;  /* Buffer information (int *)     */
-        u32             request_sizes;    /* (int *) */
-        int             granted_count;    /* Number of buffers granted      */
-} drm32_dma_t;
-#define DRM32_IOCTL_DMA      DRM_IOWR(0x29, drm32_dma_t)
-
-/* RED PEN      The DRM layer blindly dereferences the send/request
- *              indice/size arrays even though they are userland
- *              pointers.  -DaveM
- */
-static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        drm32_dma_t *uarg = (drm32_dma_t *) arg;
-        int *u_si, *u_ss, *u_ri, *u_rs;
-        drm_dma_t karg;
-        mm_segment_t old_fs;
-        int ret;
-        u32 tmp1, tmp2, tmp3, tmp4;
-
-        karg.send_indices = karg.send_sizes = NULL;
-        karg.request_indices = karg.request_sizes = NULL;
-
-        if (get_user(karg.context, &uarg->context) ||
-            get_user(karg.send_count, &uarg->send_count) ||
-            get_user(tmp1, &uarg->send_indices) ||
-            get_user(tmp2, &uarg->send_sizes) ||
-            get_user(karg.flags, &uarg->flags) ||
-            get_user(karg.request_count, &uarg->request_count) ||
-            get_user(karg.request_size, &uarg->request_size) ||
-            get_user(tmp3, &uarg->request_indices) ||
-            get_user(tmp4, &uarg->request_sizes) ||
-            get_user(karg.granted_count, &uarg->granted_count))
-                return -EFAULT;
-
-        u_si = (int *) A(tmp1);
-        u_ss = (int *) A(tmp2);
-        u_ri = (int *) A(tmp3);
-        u_rs = (int *) A(tmp4);
-
-        if (karg.send_count) {
-                karg.send_indices = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL);
-                karg.send_sizes = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL);
-
-                ret = -ENOMEM;
-                if (!karg.send_indices || !karg.send_sizes)
-                        goto out;
-
-                ret = -EFAULT;
-                if (copy_from_user(karg.send_indices, u_si,
-                                   (karg.send_count * sizeof(int))) ||
-                    copy_from_user(karg.send_sizes, u_ss,
-                                   (karg.send_count * sizeof(int))))
-                        goto out;
-        }
-
-        if (karg.request_count) {
-                karg.request_indices = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL);
-                karg.request_sizes = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL);
-
-                ret = -ENOMEM;
-                if (!karg.request_indices || !karg.request_sizes)
-                        goto out;
-
-                ret = -EFAULT;
-                if (copy_from_user(karg.request_indices, u_ri,
-                                   (karg.request_count * sizeof(int))) ||
-                    copy_from_user(karg.request_sizes, u_rs,
-                                   (karg.request_count * sizeof(int))))
-                        goto out;
-        }
-
-        old_fs = get_fs();
-        set_fs(KERNEL_DS);
-        ret = sys_ioctl(fd, DRM_IOCTL_DMA, (unsigned long) &karg);
-        set_fs(old_fs);
-
-        if (!ret) {
-                if (put_user(karg.context, &uarg->context) ||
-                    put_user(karg.send_count, &uarg->send_count) ||
-                    put_user(karg.flags, &uarg->flags) ||
-                    put_user(karg.request_count, &uarg->request_count) ||
-                    put_user(karg.request_size, &uarg->request_size) ||
-                    put_user(karg.granted_count, &uarg->granted_count))
-                        ret = -EFAULT;
-
-                if (karg.send_count) {
-                        if (copy_to_user(u_si, karg.send_indices,
-                                         (karg.send_count * sizeof(int))) ||
-                            copy_to_user(u_ss, karg.send_sizes,
-                                         (karg.send_count * sizeof(int))))
-                                ret = -EFAULT;
-                }
-                if (karg.request_count) {
-                        if (copy_to_user(u_ri, karg.request_indices,
-                                         (karg.request_count * sizeof(int))) ||
-                            copy_to_user(u_rs, karg.request_sizes,
-                                         (karg.request_count * sizeof(int))))
-                                ret = -EFAULT;
-                }
-        }
-
-out:
-        kfree(karg.send_indices);
-        kfree(karg.send_sizes);
-        kfree(karg.request_indices);
-        kfree(karg.request_sizes);
-        return ret;
-}
-
-typedef struct drm32_ctx_res {
-        int             count;
-        u32             contexts; /* (drm_ctx_t *) */
-} drm32_ctx_res_t;
-#define DRM32_IOCTL_RES_CTX    DRM_IOWR(0x26, drm32_ctx_res_t)
-
-static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        drm32_ctx_res_t *uarg = (drm32_ctx_res_t *) arg;
-        drm_ctx_t *ulist;
-        drm_ctx_res_t karg;
-        mm_segment_t old_fs;
-        int orig_count, ret;
-        u32 tmp;
-
-        karg.contexts = NULL;
-        if (get_user(karg.count, &uarg->count) ||
-            get_user(tmp, &uarg->contexts))
-                return -EFAULT;
-
-        ulist = (drm_ctx_t *) A(tmp);
-
-        orig_count = karg.count;
-        if (karg.count && ulist) {
-                karg.contexts = kmalloc((karg.count * sizeof(drm_ctx_t)), GFP_KERNEL);
-                if (!karg.contexts)
-                        return -ENOMEM;
-                if (copy_from_user(karg.contexts, ulist,
-                                   (karg.count * sizeof(drm_ctx_t)))) {
-                        kfree(karg.contexts);
-                        return -EFAULT;
-                }
-        }
-
-        old_fs = get_fs();
-        set_fs(KERNEL_DS);
-        ret = sys_ioctl(fd, DRM_IOCTL_RES_CTX, (unsigned long) &karg);
-        set_fs(old_fs);
-
-        if (!ret) {
-                if (orig_count) {
-                        if (copy_to_user(ulist, karg.contexts,
-                                         (orig_count * sizeof(drm_ctx_t))))
-                                ret = -EFAULT;
-                }
-                if (put_user(karg.count, &uarg->count))
-                        ret = -EFAULT;
-        }
-
-        kfree(karg.contexts);
-        return ret;
-}
-
-#endif
-
 #define HANDLE_IOCTL(cmd, handler) { cmd, (ioctl_trans_handler_t)handler, NULL },
 #define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL(cmd, sys_ioctl) 
 
@@ -561,11 +31,6 @@ IOCTL_TABLE_START
 #define DECLARES
 #include "compat_ioctl.c"
 
-/* PA-specific ioctls */
-COMPATIBLE_IOCTL(PA_PERF_ON)
-COMPATIBLE_IOCTL(PA_PERF_OFF)
-COMPATIBLE_IOCTL(PA_PERF_VERSION)
-
 /* And these ioctls need translation */
 HANDLE_IOCTL(SIOCGPPPSTATS, dev_ifsioc)
 HANDLE_IOCTL(SIOCGPPPCSTATS, dev_ifsioc)
@@ -590,17 +55,6 @@ HANDLE_IOCTL(RTC_EPOCH_READ, w_long)
 COMPATIBLE_IOCTL(RTC_EPOCH_SET)
 #endif
 
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-HANDLE_IOCTL(DRM32_IOCTL_VERSION, drm32_version);
-HANDLE_IOCTL(DRM32_IOCTL_GET_UNIQUE, drm32_getsetunique);
-HANDLE_IOCTL(DRM32_IOCTL_SET_UNIQUE, drm32_getsetunique);
-HANDLE_IOCTL(DRM32_IOCTL_ADD_MAP, drm32_addmap);
-HANDLE_IOCTL(DRM32_IOCTL_INFO_BUFS, drm32_info_bufs);
-HANDLE_IOCTL(DRM32_IOCTL_FREE_BUFS, drm32_free_bufs);
-HANDLE_IOCTL(DRM32_IOCTL_MAP_BUFS, drm32_map_bufs);
-HANDLE_IOCTL(DRM32_IOCTL_DMA, drm32_dma);
-HANDLE_IOCTL(DRM32_IOCTL_RES_CTX, drm32_res_ctx);
-#endif /* DRM */
 IOCTL_TABLE_END
 
 int ioctl_table_size = ARRAY_SIZE(ioctl_start);
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 006385dbee66..197936d9359a 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -30,6 +30,9 @@
 #include <linux/seq_file.h>
 #include <linux/spinlock.h>
 #include <linux/types.h>
+#include <asm/io.h>
+
+#include <asm/smp.h>
 
 #undef PARISC_IRQ_CR16_COUNTS
 
@@ -43,26 +46,34 @@ extern irqreturn_t ipi_interrupt(int, void *, struct pt_regs *);
 */
 static volatile unsigned long cpu_eiem = 0;
 
-static void cpu_set_eiem(void *info)
-{
-        set_eiem((unsigned long) info);
-}
-
-static inline void cpu_disable_irq(unsigned int irq)
+static void cpu_disable_irq(unsigned int irq)
 {
         unsigned long eirr_bit = EIEM_MASK(irq);
 
         cpu_eiem &= ~eirr_bit;
-        on_each_cpu(cpu_set_eiem, (void *) cpu_eiem, 1, 1);
+        /* Do nothing on the other CPUs.  If they get this interrupt,
+         * The & cpu_eiem in the do_cpu_irq_mask() ensures they won't
+         * handle it, and the set_eiem() at the bottom will ensure it
+         * then gets disabled */
 }
 
 static void cpu_enable_irq(unsigned int irq)
 {
         unsigned long eirr_bit = EIEM_MASK(irq);
 
-        mtctl(eirr_bit, 23);    /* clear EIRR bit before unmasking */
         cpu_eiem |= eirr_bit;
-        on_each_cpu(cpu_set_eiem, (void *) cpu_eiem, 1, 1);
+
+        /* FIXME: while our interrupts aren't nested, we cannot reset
+         * the eiem mask if we're already in an interrupt.  Once we
+         * implement nested interrupts, this can go away
+         */
+        if (!in_interrupt())
+                set_eiem(cpu_eiem);
+
+        /* This is just a simple NOP IPI.  But what it does is cause
+         * all the other CPUs to do a set_eiem(cpu_eiem) at the end
+         * of the interrupt handler */
+        smp_send_all_nop();
 }
 
 static unsigned int cpu_startup_irq(unsigned int irq)
@@ -74,6 +85,35 @@ static unsigned int cpu_startup_irq(unsigned int irq)
 void no_ack_irq(unsigned int irq) { }
 void no_end_irq(unsigned int irq) { }
 
+#ifdef CONFIG_SMP
+int cpu_check_affinity(unsigned int irq, cpumask_t *dest)
+{
+        int cpu_dest;
+
+        /* timer and ipi have to always be received on all CPUs */
+        if (irq == TIMER_IRQ || irq == IPI_IRQ) {
+                /* Bad linux design decision.  The mask has already
+                 * been set; we must reset it */
+                irq_affinity[irq] = CPU_MASK_ALL;
+                return -EINVAL;
+        }
+
+        /* whatever mask they set, we just allow one CPU */
+        cpu_dest = first_cpu(*dest);
+        *dest = cpumask_of_cpu(cpu_dest);
+
+        return 0;
+}
+
+static void cpu_set_affinity_irq(unsigned int irq, cpumask_t dest)
+{
+        if (cpu_check_affinity(irq, &dest))
+                return;
+
+        irq_affinity[irq] = dest;
+}
+#endif
+
 static struct hw_interrupt_type cpu_interrupt_type = {
         .typename       = "CPU",
         .startup        = cpu_startup_irq,
@@ -82,7 +122,9 @@ static struct hw_interrupt_type cpu_interrupt_type = {
         .disable        = cpu_disable_irq,
         .ack            = no_ack_irq,
         .end            = no_end_irq,
-//      .set_affinity   = cpu_set_affinity_irq,
+#ifdef CONFIG_SMP
+        .set_affinity   = cpu_set_affinity_irq,
+#endif
 };
 
 int show_interrupts(struct seq_file *p, void *v)
@@ -219,6 +261,17 @@ int txn_alloc_irq(unsigned int bits_wide)
         return -1;
 }
 
+
+unsigned long txn_affinity_addr(unsigned int irq, int cpu)
+{
+#ifdef CONFIG_SMP
+        irq_affinity[irq] = cpumask_of_cpu(cpu);
+#endif
+
+        return cpu_data[cpu].txn_addr;
+}
+
+
 unsigned long txn_alloc_addr(unsigned int virt_irq)
 {
         static int next_cpu = -1;
@@ -233,7 +286,7 @@ unsigned long txn_alloc_addr(unsigned int virt_irq)
         if (next_cpu >= NR_CPUS) 
                 next_cpu = 0;   /* nothing else, assign monarch */
 
-        return cpu_data[next_cpu].txn_addr;
+        return txn_affinity_addr(virt_irq, next_cpu);
 }
 
 
@@ -250,10 +303,11 @@ void do_cpu_irq_mask(struct pt_regs *regs)
         irq_enter();
 
         /*
-         * Only allow interrupt processing to be interrupted by the
-         * timer tick
+         * Don't allow TIMER or IPI nested interrupts.
+         * Allowing any single interrupt to nest can lead to that CPU
+         * handling interrupts with all enabled interrupts unmasked.
          */
-        set_eiem(EIEM_MASK(TIMER_IRQ));
+        set_eiem(0UL);
 
         /* 1) only process IRQs that are enabled/unmasked (cpu_eiem)
          * 2) We loop here on EIRR contents in order to avoid
@@ -267,23 +321,41 @@ void do_cpu_irq_mask(struct pt_regs *regs)
                 if (!eirr_val)
                         break;
 
-                if (eirr_val & EIEM_MASK(TIMER_IRQ))
-                        set_eiem(0);
-
                 mtctl(eirr_val, 23); /* reset bits we are going to process */
 
                 /* Work our way from MSb to LSb...same order we alloc EIRs */
                 for (irq = TIMER_IRQ; eirr_val && bit; bit>>=1, irq++) {
+#ifdef CONFIG_SMP
+                        cpumask_t dest = irq_affinity[irq];
+#endif
                         if (!(bit & eirr_val))
                                 continue;
 
                         /* clear bit in mask - can exit loop sooner */
                         eirr_val &= ~bit;
 
+#ifdef CONFIG_SMP
+                        /* FIXME: because generic set affinity mucks
+                         * with the affinity before sending it to us
+                         * we can get the situation where the affinity is
+                         * wrong for our CPU type interrupts */
+                        if (irq != TIMER_IRQ && irq != IPI_IRQ &&
+                            !cpu_isset(smp_processor_id(), dest)) {
+                                int cpu = first_cpu(dest);
+
+                                printk(KERN_DEBUG "redirecting irq %d from CPU %d to %d\n",
+                                       irq, smp_processor_id(), cpu);
+                                gsc_writel(irq + CPU_IRQ_BASE,
+                                           cpu_data[cpu].hpa);
+                                continue;
+                        }
+#endif
+
                         __do_IRQ(irq, regs);
                 }
         }
-        set_eiem(cpu_eiem);
+
+        set_eiem(cpu_eiem);     /* restore original mask */
         irq_exit();
 }
 
@@ -291,12 +363,14 @@ void do_cpu_irq_mask(struct pt_regs *regs)
 static struct irqaction timer_action = {
         .handler = timer_interrupt,
         .name = "timer",
+        .flags = SA_INTERRUPT,
 };
 
 #ifdef CONFIG_SMP
 static struct irqaction ipi_action = {
         .handler = ipi_interrupt,
         .name = "IPI",
+        .flags = SA_INTERRUPT,
 };
 #endif
 
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 44670d6e06f4..f6fec62b6a2f 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -196,8 +196,7 @@ static int perf_open(struct inode *inode, struct file *file);
 static ssize_t perf_read(struct file *file, char __user *buf, size_t cnt, loff_t *ppos);
 static ssize_t perf_write(struct file *file, const char __user *buf, size_t count, 
         loff_t *ppos);
-static int perf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-        unsigned long arg);
+static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 static void perf_start_counters(void);
 static int perf_stop_counters(uint32_t *raddr);
 static struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num);
@@ -438,48 +437,56 @@ static void perf_patch_images(void)
  * must be running on the processor that you wish to change.
  */
 
-static int perf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-        unsigned long arg)
+static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
         long error_start;
-        uint32_t raddr[4];      
+        uint32_t raddr[4];
+        int error = 0;
 
+        lock_kernel();
         switch (cmd) {
 
             case PA_PERF_ON:
                         /* Start the counters */
                         perf_start_counters();
-                        return 0;
+                        break;
 
             case PA_PERF_OFF:
                         error_start = perf_stop_counters(raddr);
                         if (error_start != 0) {
                                 printk(KERN_ERR "perf_off: perf_stop_counters = %ld\n", error_start);
-                                return -EFAULT; 
+                                error = -EFAULT;
+                                break;
                         }
 
                         /* copy out the Counters */
                         if (copy_to_user((void __user *)arg, raddr, 
                                         sizeof (raddr)) != 0) {
-                                return -EFAULT;
+                                error =  -EFAULT;
+                                break;
                         }
-                        return 0;
+                        break;
 
             case PA_PERF_VERSION:
                         /* Return the version # */
-                        return put_user(PERF_VERSION, (int *)arg);
+                        error = put_user(PERF_VERSION, (int *)arg);
+                        break;
 
             default:
-                        break;
+                        error = -ENOTTY;
         }
-        return -ENOTTY;
+
+        unlock_kernel();
+
+        return error;
 }
 
 static struct file_operations perf_fops = {
         .llseek = no_llseek,
         .read = perf_read,
         .write = perf_write,
-        .ioctl = perf_ioctl,
+        .unlocked_ioctl = perf_ioctl,
+        .compat_ioctl = perf_ioctl,
         .open = perf_open,
         .release = perf_release
 };
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index b6fe202a620d..27160e8bf15b 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -264,6 +264,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                  * sigkill.  perhaps it should be put in the status
                  * that it wants to exit.
                  */
+                ret = 0;
                 DBG("sys_ptrace(KILL)\n");
                 if (child->exit_state == EXIT_ZOMBIE)   /* already dead */
                         goto out_tsk;
@@ -344,11 +345,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
         case PTRACE_GETEVENTMSG:
                 ret = put_user(child->ptrace_message, (unsigned int __user *) data);
-                goto out;
+                goto out_tsk;
 
         default:
                 ret = ptrace_request(child, request, addr, data);
-                goto out;
+                goto out_tsk;
         }
 
 out_wake_notrap:
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 82c24e62ab63..3a25a7bd673e 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -296,7 +296,6 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
         struct rt_sigframe __user *frame;
         unsigned long rp, usp;
         unsigned long haddr, sigframe_size;
-        struct siginfo si;
         int err = 0;
 #ifdef __LP64__
         compat_int_t compat_val;
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index a9ecf6465784..ce89da0f654d 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -181,12 +181,19 @@ ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                 while (ops) {
                         unsigned long which = ffz(~ops);
 
+                        ops &= ~(1 << which);
+
                         switch (which) {
+                        case IPI_NOP:
+#if (kDEBUG>=100)
+                                printk(KERN_DEBUG "CPU%d IPI_NOP\n",this_cpu);
+#endif /* kDEBUG */
+                                break;
+                                
                         case IPI_RESCHEDULE:
 #if (kDEBUG>=100)
                                 printk(KERN_DEBUG "CPU%d IPI_RESCHEDULE\n",this_cpu);
 #endif /* kDEBUG */
-                                ops &= ~(1 << IPI_RESCHEDULE);
                                 /*
                                  * Reschedule callback.  Everything to be
                                  * done is done by the interrupt return path.
@@ -197,7 +204,6 @@ ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 #if (kDEBUG>=100)
                                 printk(KERN_DEBUG "CPU%d IPI_CALL_FUNC\n",this_cpu);
 #endif /* kDEBUG */
-                                ops &= ~(1 << IPI_CALL_FUNC);
                                 {
                                         volatile struct smp_call_struct *data;
                                         void (*func)(void *info);
@@ -231,7 +237,6 @@ ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 #if (kDEBUG>=100)
                                 printk(KERN_DEBUG "CPU%d IPI_CPU_START\n",this_cpu);
 #endif /* kDEBUG */
-                                ops &= ~(1 << IPI_CPU_START);
 #ifdef ENTRY_SYS_CPUS
                                 p->state = STATE_RUNNING;
 #endif
@@ -241,7 +246,6 @@ ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 #if (kDEBUG>=100)
                                 printk(KERN_DEBUG "CPU%d IPI_CPU_STOP\n",this_cpu);
 #endif /* kDEBUG */
-                                ops &= ~(1 << IPI_CPU_STOP);
 #ifdef ENTRY_SYS_CPUS
 #else
                                 halt_processor();
@@ -252,13 +256,11 @@ ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 #if (kDEBUG>=100)
                                 printk(KERN_DEBUG "CPU%d is alive!\n",this_cpu);
 #endif /* kDEBUG */
-                                ops &= ~(1 << IPI_CPU_TEST);
                                 break;
 
                         default:
                                 printk(KERN_CRIT "Unknown IPI num on CPU%d: %lu\n",
                                         this_cpu, which);
-                                ops &= ~(1 << which);
                                 return IRQ_NONE;
                         } /* Switch */
                 } /* while (ops) */
@@ -312,6 +314,12 @@ smp_send_start(void)	{ send_IPI_allbutself(IPI_CPU_START); }
 void 
 smp_send_reschedule(int cpu) { send_IPI_single(cpu, IPI_RESCHEDULE); }
 
+void
+smp_send_all_nop(void)
+{
+        send_IPI_allbutself(IPI_NOP);
+}
+
 
 /**
  * Run a function on all other CPUs.
@@ -338,6 +346,10 @@ smp_call_function (void (*func) (void *info), void *info, int retry, int wait)
 
         /* Can deadlock when called with interrupts disabled */
         WARN_ON(irqs_disabled());
+
+        /* can also deadlock if IPIs are disabled */
+        WARN_ON((get_eiem() & (1UL<<(CPU_IRQ_MAX - IPI_IRQ))) == 0);
+
         
         data.func = func;
         data.info = info;
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index b29b76b42bb7..d66163492890 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -164,7 +164,7 @@ linux_gateway_entry:
 #endif
         STREG   %r2,  TASK_PT_GR30(%r1)         /* ... and save it */
         
-        STREG   %r20, TASK_PT_GR20(%r1)
+        STREG   %r20, TASK_PT_GR20(%r1)         /* Syscall number */
         STREG   %r21, TASK_PT_GR21(%r1)
         STREG   %r22, TASK_PT_GR22(%r1)
         STREG   %r23, TASK_PT_GR23(%r1)         /* 4th argument */
@@ -527,6 +527,7 @@ lws_compare_and_swap:
                 We *must* giveup this call and fail.
         */
         ldw     4(%sr2,%r20), %r28                      /* Load thread register */
+        /* WARNING: If cr27 cycles to the same value we have problems */
         mfctl   %cr27, %r21                             /* Get current thread register */
         cmpb,<>,n       %r21, %r28, cas_lock            /* Called recursive? */
         b       lws_exit                                /* Return error! */
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index ed2bc87f475b..31e649a9ff71 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -625,7 +625,7 @@ config BLK_DEV_NS87415
         tristate "NS87415 chipset support"
         help
           This driver adds detection and support for the NS87415 chip
-          (used in SPARC64, among others).
+          (used mainly on SPARC64 and PA-RISC machines).
 
           Please read the comments at the top of <file:drivers/ide/pci/ns87415.c>.
 
diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index 801c98f30e5c..c82105920d71 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -110,7 +110,7 @@ config HISAX_16_3
 
 config HISAX_TELESPCI
         bool "Teles PCI"
-        depends on PCI && (BROKEN || !(SPARC64 || PPC))
+        depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K))
         help
           This enables HiSax support for the Teles PCI.
           See <file:Documentation/isdn/README.HiSax> on how to configure it.
@@ -238,7 +238,7 @@ config HISAX_MIC
 
 config HISAX_NETJET
         bool "NETjet card"
-        depends on PCI && (BROKEN || !(SPARC64 || PPC))
+        depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K))
         help
           This enables HiSax support for the NetJet from Traverse
           Technologies.
@@ -249,7 +249,7 @@ config HISAX_NETJET
 
 config HISAX_NETJET_U
         bool "NETspider U card"
-        depends on PCI && (BROKEN || !(SPARC64 || PPC))
+        depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K))
         help
           This enables HiSax support for the Netspider U interface ISDN card
           from Traverse Technologies.
@@ -317,7 +317,7 @@ config HISAX_GAZEL
 
 config HISAX_HFC_PCI
         bool "HFC PCI-Bus cards"
-        depends on PCI && (BROKEN || !(SPARC64 || PPC))
+        depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K))
         help
           This enables HiSax support for the HFC-S PCI 2BDS0 based cards.
 
@@ -344,14 +344,14 @@ config HISAX_HFC_SX
 
 config HISAX_ENTERNOW_PCI
         bool "Formula-n enter:now PCI card"
-        depends on PCI && (BROKEN || !(SPARC64 || PPC))
+        depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K))
         help
           This enables HiSax support for the Formula-n enter:now PCI
           ISDN card.
 
 config HISAX_AMD7930
         bool "Am7930 (EXPERIMENTAL)"
-        depends on EXPERIMENTAL && (SPARC32 || SPARC64)
+        depends on EXPERIMENTAL && SPARC
         help
           This enables HiSax support for the AMD7930 chips on some SPARCs.
           This code is not finished yet.
diff --git a/drivers/isdn/pcbit/Kconfig b/drivers/isdn/pcbit/Kconfig
index f06997faef16..0933881ab0c2 100644
--- a/drivers/isdn/pcbit/Kconfig
+++ b/drivers/isdn/pcbit/Kconfig
@@ -3,7 +3,7 @@
 #
 config ISDN_DRV_PCBIT
         tristate "PCBIT-D support"
-        depends on ISDN_I4L && ISA && (BROKEN || !PPC)
+        depends on ISDN_I4L && ISA && (BROKEN || X86)
         help
           This enables support for the PCBIT ISDN-card.  This card is
           manufactured in Portugal by Octal.  For running this card,
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index a39fbfef789a..19657efa8dc3 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -700,6 +700,28 @@ static unsigned int iosapic_startup_irq(unsigned int irq)
         return 0;
 }
 
+#ifdef CONFIG_SMP
+static void iosapic_set_affinity_irq(unsigned int irq, cpumask_t dest)
+{
+        struct vector_info *vi = iosapic_get_vector(irq);
+        u32 d0, d1, dummy_d0;
+        unsigned long flags;
+
+        if (cpu_check_affinity(irq, &dest))
+                return;
+
+        vi->txn_addr = txn_affinity_addr(irq, first_cpu(dest));
+
+        spin_lock_irqsave(&iosapic_lock, flags);
+        /* d1 contains the destination CPU, so only want to set that
+         * entry */
+        iosapic_rd_irt_entry(vi, &d0, &d1);
+        iosapic_set_irt_data(vi, &dummy_d0, &d1);
+        iosapic_wr_irt_entry(vi, d0, d1);
+        spin_unlock_irqrestore(&iosapic_lock, flags);
+}
+#endif
+
 static struct hw_interrupt_type iosapic_interrupt_type = {
         .typename =     "IO-SAPIC-level",
         .startup =      iosapic_startup_irq,
@@ -708,7 +730,9 @@ static struct hw_interrupt_type iosapic_interrupt_type = {
         .disable =      iosapic_disable_irq,
         .ack =          no_ack_irq,
         .end =          iosapic_end_irq,
-//      .set_affinity = iosapic_set_affinity_irq,
+#ifdef CONFIG_SMP
+        .set_affinity = iosapic_set_affinity_irq,
+#endif
 };
 
 int iosapic_fixup_irq(void *isi_obj, struct pci_dev *pcidev)
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index bab3bcabcb6e..d14888e149bb 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -24,6 +24,9 @@
  *      Major changes to get basic interrupt infrastructure working to
  *      hopefully be able to support all SuperIO devices. Currently
  *      works with serial. -- John Marvin <jsm@fc.hp.com>
+ *
+ *      Converted superio_init() to be a PCI_FIXUP_FINAL callee.
+ *         -- Kyle McMartin <kyle@parisc-linux.org>
  */
 
 
@@ -141,10 +144,10 @@ superio_interrupt(int parent_irq, void *devp, struct pt_regs *regs)
 }
 
 /* Initialize Super I/O device */
-
-static void __devinit
-superio_init(struct superio_device *sio)
+static void
+superio_init(struct pci_dev *pcidev)
 {
+        struct superio_device *sio = &sio_dev;
         struct pci_dev *pdev = sio->lio_pdev;
         u16 word;
 
@@ -160,8 +163,8 @@ superio_init(struct superio_device *sio)
         /* ...then properly fixup the USB to point at suckyio PIC */
         sio->usb_pdev->irq = superio_fixup_irq(sio->usb_pdev);
 
-        printk (KERN_INFO "SuperIO: Found NS87560 Legacy I/O device at %s (IRQ %i) \n",
-                pci_name(pdev),pdev->irq);
+        printk(KERN_INFO "SuperIO: Found NS87560 Legacy I/O device at %s (IRQ %i) \n",
+               pci_name(pdev), pdev->irq);
 
         pci_read_config_dword (pdev, SIO_SP1BAR, &sio->sp1_base);
         sio->sp1_base &= ~1;
@@ -274,7 +277,7 @@ superio_init(struct superio_device *sio)
 
         sio->suckyio_irq_enabled = 1;
 }
-
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO, superio_init);
 
 static void superio_disable_irq(unsigned int irq)
 {
@@ -452,8 +455,10 @@ static void superio_fixup_pci(struct pci_dev *pdev)
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87415, superio_fixup_pci);
 
 
-static int __devinit superio_probe(struct pci_dev *dev, const struct pci_device_id *id)
+static int __devinit
+superio_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
+        struct superio_device *sio = &sio_dev;
 
         /*
         ** superio_probe(00:0e.0) ven 0x100b dev 0x2 sv 0x0 sd 0x0 class 0x1018a
@@ -466,7 +471,8 @@ static int __devinit superio_probe(struct pci_dev *dev, const struct pci_device_
                 dev->subsystem_vendor, dev->subsystem_device,
                 dev->class);
 
-        superio_init(&sio_dev);
+        if (!sio->suckyio_irq_enabled)
+                BUG(); /* Enabled by PCI_FIXUP_FINAL */
 
         if (dev->device == PCI_DEVICE_ID_NS_87560_LIO) {        /* Function 1 */
                 superio_parport_init();
@@ -481,19 +487,21 @@ static int __devinit superio_probe(struct pci_dev *dev, const struct pci_device_
                 DBG_INIT("superio_probe: WTF? Fire Extinguisher?\n");
         }
 
-        /* Let appropriate other driver claim this device. */ 
+        /* Let appropriate other driver claim this device. */
         return -ENODEV;
 }
 
 static struct pci_device_id superio_tbl[] = {
-        { PCI_VENDOR_ID_NS, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO) },
+        { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_USB) },
+        { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87415) },
         { 0, }
 };
 
 static struct pci_driver superio_driver = {
-        .name =         "SuperIO",
-        .id_table =     superio_tbl,
-        .probe =        superio_probe,
+        .name =         "SuperIO",
+        .id_table =     superio_tbl,
+        .probe =        superio_probe,
 };
 
 static int __init superio_modinit(void)
@@ -506,6 +514,5 @@ static void __exit superio_exit(void)
         pci_unregister_driver(&superio_driver);
 }
 
-
 module_init(superio_modinit);
 module_exit(superio_exit);
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index ff36f0c9fdad..ad47c1b84c3f 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -507,7 +507,7 @@ config SERIAL_SUNSU_CONSOLE
 
 config SERIAL_MUX
         tristate "Serial MUX support"
-        depends on PARISC
+        depends on GSC
         select SERIAL_CORE
         default y
         ---help---
diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index 660bae5ba179..7633132a10aa 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -65,8 +65,8 @@ static struct uart_driver mux_driver = {
 
 static struct timer_list mux_timer;
 
-#define UART_PUT_CHAR(p, c) __raw_writel((c), (unsigned long)(p)->membase + IO_DATA_REG_OFFSET)
-#define UART_GET_FIFO_CNT(p) __raw_readl((unsigned long)(p)->membase + IO_DCOUNT_REG_OFFSET)
+#define UART_PUT_CHAR(p, c) __raw_writel((c), (p)->membase + IO_DATA_REG_OFFSET)
+#define UART_GET_FIFO_CNT(p) __raw_readl((p)->membase + IO_DCOUNT_REG_OFFSET)
 #define GET_MUX_PORTS(iodc_data) ((((iodc_data)[4] & 0xf0) >> 4) * 8) + 8
 
 /**
@@ -79,10 +79,7 @@ static struct timer_list mux_timer;
  */
 static unsigned int mux_tx_empty(struct uart_port *port)
 {
-        unsigned int cnt = __raw_readl((unsigned long)port->membase 
-                                + IO_DCOUNT_REG_OFFSET);
-
-        return cnt ? 0 : TIOCSER_TEMT;
+        return UART_GET_FIFO_CNT(port) ? 0 : TIOCSER_TEMT;
 } 
 
 /**
@@ -218,8 +215,7 @@ static void mux_read(struct uart_port *port)
         __u32 start_count = port->icount.rx;
 
         while(1) {
-                data = __raw_readl((unsigned long)port->membase
-                                                + IO_DATA_REG_OFFSET);
+                data = __raw_readl(port->membase + IO_DATA_REG_OFFSET);
 
                 if (MUX_STATUS(data))
                         continue;
@@ -481,6 +477,13 @@ static int __init mux_probe(struct parisc_device *dev)
                 port->ops       = &mux_pops;
                 port->flags     = UPF_BOOT_AUTOCONF;
                 port->line      = port_cnt;
+
+                /* The port->timeout needs to match what is present in
+                 * uart_wait_until_sent in serial_core.c.  Otherwise
+                 * the time spent in msleep_interruptable will be very
+                 * long, causing the appearance of a console hang.
+                 */
+                port->timeout   = HZ / 50;
                 spin_lock_init(&port->lock);
                 status = uart_add_one_port(&mux_driver, port);
                 BUG_ON(status);
diff --git a/include/asm-parisc/irq.h b/include/asm-parisc/irq.h
index f876bdf22056..b0a30e2c9813 100644
--- a/include/asm-parisc/irq.h
+++ b/include/asm-parisc/irq.h
@@ -8,6 +8,7 @@
 #define _ASM_PARISC_IRQ_H
 
 #include <linux/config.h>
+#include <linux/cpumask.h>
 #include <asm/types.h>
 
 #define NO_IRQ          (-1)
@@ -49,10 +50,10 @@ extern int txn_alloc_irq(unsigned int nbits);
 extern int txn_claim_irq(int);
 extern unsigned int txn_alloc_data(unsigned int);
 extern unsigned long txn_alloc_addr(unsigned int);
+extern unsigned long txn_affinity_addr(unsigned int irq, int cpu);
 
 extern int cpu_claim_irq(unsigned int irq, struct hw_interrupt_type *, void *);
-
-extern int cpu_claim_irq(unsigned int irq, struct hw_interrupt_type *, void *);
+extern int cpu_check_affinity(unsigned int irq, cpumask_t *dest);
 
 /* soft power switch support (power.c) */
 extern struct tasklet_struct power_tasklet;
diff --git a/include/asm-parisc/smp.h b/include/asm-parisc/smp.h
index 9413f67a540b..dbdbd2e9fdf9 100644
--- a/include/asm-parisc/smp.h
+++ b/include/asm-parisc/smp.h
@@ -29,6 +29,7 @@ extern cpumask_t cpu_online_map;
 #define cpu_logical_map(cpu)    (cpu)
 
 extern void smp_send_reschedule(int cpu);
+extern void smp_send_all_nop(void);
 
 #endif /* !ASSEMBLY */
 
@@ -53,7 +54,11 @@ extern unsigned long cpu_present_mask;
 
 #define raw_smp_processor_id()  (current_thread_info()->cpu)
 
-#endif /* CONFIG_SMP */
+#else /* CONFIG_SMP */
+
+static inline void smp_send_all_nop(void) { return; }
+
+#endif
 
 #define NO_PROC_ID              0xFF            /* No processor magic marker */
 #define ANY_PROC_ID             0xFF            /* Any processor magic marker */
diff --git a/include/asm-parisc/spinlock.h b/include/asm-parisc/spinlock.h
index 7c3f406a746a..16c2ac075fc5 100644
--- a/include/asm-parisc/spinlock.h
+++ b/include/asm-parisc/spinlock.h
@@ -11,18 +11,25 @@ static inline int __raw_spin_is_locked(raw_spinlock_t *x)
         return *a == 0;
 }
 
-#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
+#define __raw_spin_lock(lock) __raw_spin_lock_flags(lock, 0)
 #define __raw_spin_unlock_wait(x) \
                 do { cpu_relax(); } while (__raw_spin_is_locked(x))
 
-static inline void __raw_spin_lock(raw_spinlock_t *x)
+static inline void __raw_spin_lock_flags(raw_spinlock_t *x,
+                                         unsigned long flags)
 {
         volatile unsigned int *a;
 
         mb();
         a = __ldcw_align(x);
         while (__ldcw(a) == 0)
-                while (*a == 0);
+                while (*a == 0)
+                        if (flags & PSW_SM_I) {
+                                local_irq_enable();
+                                cpu_relax();
+                                local_irq_disable();
+                        } else
+                                cpu_relax();
         mb();
 }
 
@@ -60,26 +67,20 @@ static inline int __raw_spin_trylock(raw_spinlock_t *x)
 
 static  __inline__ void __raw_read_lock(raw_rwlock_t *rw)
 {
-        unsigned long flags;
-        local_irq_save(flags);
         __raw_spin_lock(&rw->lock);
 
         rw->counter++;
 
         __raw_spin_unlock(&rw->lock);
-        local_irq_restore(flags);
 }
 
 static  __inline__ void __raw_read_unlock(raw_rwlock_t *rw)
 {
-        unsigned long flags;
-        local_irq_save(flags);
         __raw_spin_lock(&rw->lock);
 
         rw->counter--;
 
         __raw_spin_unlock(&rw->lock);
-        local_irq_restore(flags);
 }
 
 /* write_lock is less trivial.  We optimistically grab the lock and check
diff --git a/include/asm-parisc/tlbflush.h b/include/asm-parisc/tlbflush.h
index e97aa8d1eff5..c9ec39c6fc6c 100644
--- a/include/asm-parisc/tlbflush.h
+++ b/include/asm-parisc/tlbflush.h
@@ -12,21 +12,15 @@
  * N class systems, only one PxTLB inter processor broadcast can be
  * active at any one time on the Merced bus.  This tlb purge
  * synchronisation is fairly lightweight and harmless so we activate
- * it on all SMP systems not just the N class. */
-#ifdef CONFIG_SMP
+ * it on all SMP systems not just the N class.  We also need to have
+ * preemption disabled on uniprocessor machines, and spin_lock does that
+ * nicely.
+ */
 extern spinlock_t pa_tlb_lock;
 
 #define purge_tlb_start(x) spin_lock(&pa_tlb_lock)
 #define purge_tlb_end(x) spin_unlock(&pa_tlb_lock)
 
-#else
-
-#define purge_tlb_start(x) do { } while(0)
-#define purge_tlb_end(x) do { } while (0)
-
-#endif
-
-
 extern void flush_tlb_all(void);
 
 /*
@@ -88,7 +82,6 @@ static inline void flush_tlb_range(struct vm_area_struct *vma,
         if (npages >= 512)  /* 2MB of space: arbitrary, should be tuned */
                 flush_tlb_all();
         else {
-                preempt_disable();
                 mtsp(vma->vm_mm->context,1);
                 purge_tlb_start();
                 if (split_tlb) {
@@ -102,7 +95,6 @@ static inline void flush_tlb_range(struct vm_area_struct *vma,
                                 pdtlb(start);
                                 start += PAGE_SIZE;
                         }
-                preempt_enable();
                 }
                 purge_tlb_end();
         }
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 1013a42d10b1..0986d19be0b7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -940,7 +940,9 @@ unsigned long max_sane_readahead(unsigned long nr);
 
 /* Do stack extension */
 extern int expand_stack(struct vm_area_struct *vma, unsigned long address);
+#ifdef CONFIG_IA64
 extern int expand_upwards(struct vm_area_struct *vma, unsigned long address);
+#endif
 
 /* Look up the first VMA which satisfies  addr < vm_end,  NULL if none. */
 extern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long addr);
diff --git a/mm/mmap.c b/mm/mmap.c
index 6c997b159600..4f8def03428c 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1501,7 +1501,7 @@ static int acct_stack_growth(struct vm_area_struct * vma, unsigned long size, un
  * PA-RISC uses this for its stack; IA64 for its Register Backing Store.
  * vma is the last one with address > vma->vm_end.  Have to extend vma.
  */
-#ifdef CONFIG_STACK_GROWSUP
+#ifndef CONFIG_IA64
 static inline
 #endif
 int expand_upwards(struct vm_area_struct *vma, unsigned long address)