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authorLinus Torvalds <torvalds@g5.osdl.org>2005-11-18 14:25:40 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-18 14:25:40 -0800
commit62ae144f56b61f541193df4a6465c06ee7eb9096 (patch)
tree913cc058b162c48e6c72d2b016b9e44201b16cee
parentbcd039b230f738243193ef7dbb03298d967b8370 (diff)
parent2161558fa5bebfeb272493ae91e836b497029023 (diff)
downloadlinux-2.6.34-ux500-62ae144f56b61f541193df4a6465c06ee7eb9096.tar.gz
Merge branch 'parisc' of master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6
-rw-r--r--CREDITS12
-rw-r--r--arch/parisc/kernel/drivers.c8
-rw-r--r--arch/parisc/kernel/entry.S1
-rw-r--r--arch/parisc/kernel/inventory.c2
-rw-r--r--arch/parisc/kernel/ioctl32.c546
-rw-r--r--arch/parisc/kernel/irq.c110
-rw-r--r--arch/parisc/kernel/perf.c33
-rw-r--r--arch/parisc/kernel/ptrace.c5
-rw-r--r--arch/parisc/kernel/signal.c1
-rw-r--r--arch/parisc/kernel/smp.c24
-rw-r--r--arch/parisc/kernel/syscall.S3
-rw-r--r--drivers/ide/Kconfig2
-rw-r--r--drivers/isdn/hisax/Kconfig12
-rw-r--r--drivers/isdn/pcbit/Kconfig2
-rw-r--r--drivers/parisc/iosapic.c26
-rw-r--r--drivers/parisc/superio.c35
-rw-r--r--drivers/serial/Kconfig2
-rw-r--r--drivers/serial/mux.c19
-rw-r--r--include/asm-parisc/irq.h5
-rw-r--r--include/asm-parisc/smp.h7
-rw-r--r--include/asm-parisc/spinlock.h19
-rw-r--r--include/asm-parisc/tlbflush.h16
-rw-r--r--include/linux/mm.h2
-rw-r--r--mm/mmap.c2
24 files changed, 245 insertions, 649 deletions
diff --git a/CREDITS b/CREDITS
index 192f749eba2..1b4f8694fa4 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 988844a169e..d016d672ec2 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 c7e66ee5b08..9af4b22a6d7 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 1a1c6642273..8f563871e83 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 0a331104ad5..4eada1bb27f 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 006385dbee6..197936d9359 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 44670d6e06f..f6fec62b6a2 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 b6fe202a620..27160e8bf15 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 82c24e62ab6..3a25a7bd673 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 a9ecf646578..ce89da0f654 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 b29b76b42bb..d6616349289 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 ed2bc87f475..31e649a9ff7 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 801c98f30e5..c82105920d7 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 f06997faef1..0933881ab0c 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 a39fbfef789..19657efa8dc 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 bab3bcabcb6..d14888e149b 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 ff36f0c9fda..ad47c1b84c3 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 660bae5ba17..7633132a10a 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 f876bdf2205..b0a30e2c981 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 9413f67a540..dbdbd2e9fdf 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 7c3f406a746..16c2ac075fc 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 e97aa8d1eff..c9ec39c6fc6 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 1013a42d10b..0986d19be0b 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 6c997b15960..4f8def03428 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)