diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/um/drivers/mconsole_kern.c | 250 | ||||
-rw-r--r-- | arch/um/include/um_mmu.h | 2 | ||||
-rw-r--r-- | arch/um/include/um_uaccess.h | 15 | ||||
-rw-r--r-- | arch/um/kernel/ksyms.c | 17 |
4 files changed, 135 insertions, 149 deletions
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 3591c3806670..5f6dbb148218 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c | |||
@@ -1,43 +1,35 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) | 2 | * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) |
3 | * Copyright (C) 2001 - 2003 Jeff Dike (jdike@addtoit.com) | 3 | * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
4 | * Licensed under the GPL | 4 | * Licensed under the GPL |
5 | */ | 5 | */ |
6 | 6 | ||
7 | #include "linux/kernel.h" | 7 | #include "linux/console.h" |
8 | #include "linux/slab.h" | ||
9 | #include "linux/init.h" | ||
10 | #include "linux/notifier.h" | ||
11 | #include "linux/reboot.h" | ||
12 | #include "linux/utsname.h" | ||
13 | #include "linux/ctype.h" | 8 | #include "linux/ctype.h" |
14 | #include "linux/interrupt.h" | 9 | #include "linux/interrupt.h" |
15 | #include "linux/sysrq.h" | 10 | #include "linux/list.h" |
16 | #include "linux/workqueue.h" | 11 | #include "linux/mm.h" |
17 | #include "linux/module.h" | 12 | #include "linux/module.h" |
18 | #include "linux/file.h" | 13 | #include "linux/notifier.h" |
19 | #include "linux/fs.h" | 14 | #include "linux/reboot.h" |
20 | #include "linux/namei.h" | ||
21 | #include "linux/proc_fs.h" | 15 | #include "linux/proc_fs.h" |
16 | #include "linux/slab.h" | ||
22 | #include "linux/syscalls.h" | 17 | #include "linux/syscalls.h" |
23 | #include "linux/list.h" | 18 | #include "linux/utsname.h" |
24 | #include "linux/mm.h" | 19 | #include "linux/workqueue.h" |
25 | #include "linux/console.h" | ||
26 | #include "asm/irq.h" | ||
27 | #include "asm/uaccess.h" | 20 | #include "asm/uaccess.h" |
21 | #include "init.h" | ||
22 | #include "irq_kern.h" | ||
23 | #include "irq_user.h" | ||
28 | #include "kern_util.h" | 24 | #include "kern_util.h" |
29 | #include "kern.h" | ||
30 | #include "mconsole.h" | 25 | #include "mconsole.h" |
31 | #include "mconsole_kern.h" | 26 | #include "mconsole_kern.h" |
32 | #include "irq_user.h" | ||
33 | #include "init.h" | ||
34 | #include "os.h" | 27 | #include "os.h" |
35 | #include "irq_kern.h" | ||
36 | 28 | ||
37 | static int do_unlink_socket(struct notifier_block *notifier, | 29 | static int do_unlink_socket(struct notifier_block *notifier, |
38 | unsigned long what, void *data) | 30 | unsigned long what, void *data) |
39 | { | 31 | { |
40 | return(mconsole_unlink_socket()); | 32 | return mconsole_unlink_socket(); |
41 | } | 33 | } |
42 | 34 | ||
43 | 35 | ||
@@ -58,10 +50,9 @@ static void mc_work_proc(struct work_struct *unused) | |||
58 | struct mconsole_entry *req; | 50 | struct mconsole_entry *req; |
59 | unsigned long flags; | 51 | unsigned long flags; |
60 | 52 | ||
61 | while(!list_empty(&mc_requests)){ | 53 | while (!list_empty(&mc_requests)) { |
62 | local_irq_save(flags); | 54 | local_irq_save(flags); |
63 | req = list_entry(mc_requests.next, struct mconsole_entry, | 55 | req = list_entry(mc_requests.next, struct mconsole_entry, list); |
64 | list); | ||
65 | list_del(&req->list); | 56 | list_del(&req->list); |
66 | local_irq_restore(flags); | 57 | local_irq_restore(flags); |
67 | req->request.cmd->handler(&req->request); | 58 | req->request.cmd->handler(&req->request); |
@@ -79,12 +70,12 @@ static irqreturn_t mconsole_interrupt(int irq, void *dev_id) | |||
79 | static struct mc_request req; /* that's OK */ | 70 | static struct mc_request req; /* that's OK */ |
80 | 71 | ||
81 | fd = (long) dev_id; | 72 | fd = (long) dev_id; |
82 | while (mconsole_get_request(fd, &req)){ | 73 | while (mconsole_get_request(fd, &req)) { |
83 | if(req.cmd->context == MCONSOLE_INTR) | 74 | if (req.cmd->context == MCONSOLE_INTR) |
84 | (*req.cmd->handler)(&req); | 75 | (*req.cmd->handler)(&req); |
85 | else { | 76 | else { |
86 | new = kmalloc(sizeof(*new), GFP_NOWAIT); | 77 | new = kmalloc(sizeof(*new), GFP_NOWAIT); |
87 | if(new == NULL) | 78 | if (new == NULL) |
88 | mconsole_reply(&req, "Out of memory", 1, 0); | 79 | mconsole_reply(&req, "Out of memory", 1, 0); |
89 | else { | 80 | else { |
90 | new->request = req; | 81 | new->request = req; |
@@ -93,10 +84,10 @@ static irqreturn_t mconsole_interrupt(int irq, void *dev_id) | |||
93 | } | 84 | } |
94 | } | 85 | } |
95 | } | 86 | } |
96 | if(!list_empty(&mc_requests)) | 87 | if (!list_empty(&mc_requests)) |
97 | schedule_work(&mconsole_work); | 88 | schedule_work(&mconsole_work); |
98 | reactivate_fd(fd, MCONSOLE_IRQ); | 89 | reactivate_fd(fd, MCONSOLE_IRQ); |
99 | return(IRQ_HANDLED); | 90 | return IRQ_HANDLED; |
100 | } | 91 | } |
101 | 92 | ||
102 | void mconsole_version(struct mc_request *req) | 93 | void mconsole_version(struct mc_request *req) |
@@ -104,8 +95,8 @@ void mconsole_version(struct mc_request *req) | |||
104 | char version[256]; | 95 | char version[256]; |
105 | 96 | ||
106 | sprintf(version, "%s %s %s %s %s", utsname()->sysname, | 97 | sprintf(version, "%s %s %s %s %s", utsname()->sysname, |
107 | utsname()->nodename, utsname()->release, | 98 | utsname()->nodename, utsname()->release, utsname()->version, |
108 | utsname()->version, utsname()->machine); | 99 | utsname()->machine); |
109 | mconsole_reply(req, version, 0, 0); | 100 | mconsole_reply(req, version, 0, 0); |
110 | } | 101 | } |
111 | 102 | ||
@@ -117,7 +108,7 @@ void mconsole_log(struct mc_request *req) | |||
117 | ptr += strlen("log "); | 108 | ptr += strlen("log "); |
118 | 109 | ||
119 | len = req->len - (ptr - req->request.data); | 110 | len = req->len - (ptr - req->request.data); |
120 | printk("%.*s", len, ptr); | 111 | printk(KERN_WARNING "%.*s", len, ptr); |
121 | mconsole_reply(req, "", 0, 0); | 112 | mconsole_reply(req, "", 0, 0); |
122 | } | 113 | } |
123 | 114 | ||
@@ -136,17 +127,17 @@ void mconsole_proc(struct mc_request *req) | |||
136 | char *ptr = req->request.data, *buf; | 127 | char *ptr = req->request.data, *buf; |
137 | 128 | ||
138 | ptr += strlen("proc"); | 129 | ptr += strlen("proc"); |
139 | while(isspace(*ptr)) ptr++; | 130 | while (isspace(*ptr)) ptr++; |
140 | 131 | ||
141 | proc = get_fs_type("proc"); | 132 | proc = get_fs_type("proc"); |
142 | if(proc == NULL){ | 133 | if (proc == NULL) { |
143 | mconsole_reply(req, "procfs not registered", 1, 0); | 134 | mconsole_reply(req, "procfs not registered", 1, 0); |
144 | goto out; | 135 | goto out; |
145 | } | 136 | } |
146 | 137 | ||
147 | super = (*proc->get_sb)(proc, 0, NULL, NULL); | 138 | super = (*proc->get_sb)(proc, 0, NULL, NULL); |
148 | put_filesystem(proc); | 139 | put_filesystem(proc); |
149 | if(super == NULL){ | 140 | if (super == NULL) { |
150 | mconsole_reply(req, "Failed to get procfs superblock", 1, 0); | 141 | mconsole_reply(req, "Failed to get procfs superblock", 1, 0); |
151 | goto out; | 142 | goto out; |
152 | } | 143 | } |
@@ -161,29 +152,29 @@ void mconsole_proc(struct mc_request *req) | |||
161 | * if commenting out these two calls + the below read cycle. To | 152 | * if commenting out these two calls + the below read cycle. To |
162 | * make UML crash again, it was enough to readd either one.*/ | 153 | * make UML crash again, it was enough to readd either one.*/ |
163 | err = link_path_walk(ptr, &nd); | 154 | err = link_path_walk(ptr, &nd); |
164 | if(err){ | 155 | if (err) { |
165 | mconsole_reply(req, "Failed to look up file", 1, 0); | 156 | mconsole_reply(req, "Failed to look up file", 1, 0); |
166 | goto out_kill; | 157 | goto out_kill; |
167 | } | 158 | } |
168 | 159 | ||
169 | file = dentry_open(nd.dentry, nd.mnt, O_RDONLY); | 160 | file = dentry_open(nd.dentry, nd.mnt, O_RDONLY); |
170 | if(IS_ERR(file)){ | 161 | if (IS_ERR(file)) { |
171 | mconsole_reply(req, "Failed to open file", 1, 0); | 162 | mconsole_reply(req, "Failed to open file", 1, 0); |
172 | goto out_kill; | 163 | goto out_kill; |
173 | } | 164 | } |
174 | /*END*/ | 165 | /*END*/ |
175 | 166 | ||
176 | buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | 167 | buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
177 | if(buf == NULL){ | 168 | if (buf == NULL) { |
178 | mconsole_reply(req, "Failed to allocate buffer", 1, 0); | 169 | mconsole_reply(req, "Failed to allocate buffer", 1, 0); |
179 | goto out_fput; | 170 | goto out_fput; |
180 | } | 171 | } |
181 | 172 | ||
182 | if((file->f_op != NULL) && (file->f_op->read != NULL)){ | 173 | if ((file->f_op != NULL) && (file->f_op->read != NULL)) { |
183 | do { | 174 | do { |
184 | n = (*file->f_op->read)(file, buf, PAGE_SIZE - 1, | 175 | n = (*file->f_op->read)(file, buf, PAGE_SIZE - 1, |
185 | &file->f_pos); | 176 | &file->f_pos); |
186 | if(n >= 0){ | 177 | if (n >= 0) { |
187 | buf[n] = '\0'; | 178 | buf[n] = '\0'; |
188 | mconsole_reply(req, buf, 0, (n > 0)); | 179 | mconsole_reply(req, buf, 0, (n > 0)); |
189 | } | 180 | } |
@@ -192,7 +183,7 @@ void mconsole_proc(struct mc_request *req) | |||
192 | 1, 0); | 183 | 1, 0); |
193 | goto out_free; | 184 | goto out_free; |
194 | } | 185 | } |
195 | } while(n > 0); | 186 | } while (n > 0); |
196 | } | 187 | } |
197 | else mconsole_reply(req, "", 0, 0); | 188 | else mconsole_reply(req, "", 0, 0); |
198 | 189 | ||
@@ -216,18 +207,19 @@ void mconsole_proc(struct mc_request *req) | |||
216 | char *ptr = req->request.data; | 207 | char *ptr = req->request.data; |
217 | 208 | ||
218 | ptr += strlen("proc"); | 209 | ptr += strlen("proc"); |
219 | while(isspace(*ptr)) ptr++; | 210 | while (isspace(*ptr)) |
211 | ptr++; | ||
220 | snprintf(path, sizeof(path), "/proc/%s", ptr); | 212 | snprintf(path, sizeof(path), "/proc/%s", ptr); |
221 | 213 | ||
222 | fd = sys_open(path, 0, 0); | 214 | fd = sys_open(path, 0, 0); |
223 | if (fd < 0) { | 215 | if (fd < 0) { |
224 | mconsole_reply(req, "Failed to open file", 1, 0); | 216 | mconsole_reply(req, "Failed to open file", 1, 0); |
225 | printk("open %s: %d\n",path,fd); | 217 | printk(KERN_ERR "open %s: %d\n",path,fd); |
226 | goto out; | 218 | goto out; |
227 | } | 219 | } |
228 | 220 | ||
229 | buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | 221 | buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
230 | if(buf == NULL){ | 222 | if (buf == NULL) { |
231 | mconsole_reply(req, "Failed to allocate buffer", 1, 0); | 223 | mconsole_reply(req, "Failed to allocate buffer", 1, 0); |
232 | goto out_close; | 224 | goto out_close; |
233 | } | 225 | } |
@@ -238,7 +230,7 @@ void mconsole_proc(struct mc_request *req) | |||
238 | mconsole_reply(req, "Read of file failed", 1, 0); | 230 | mconsole_reply(req, "Read of file failed", 1, 0); |
239 | goto out_free; | 231 | goto out_free; |
240 | } | 232 | } |
241 | /*Begin the file content on his own line.*/ | 233 | /* Begin the file content on his own line. */ |
242 | if (first_chunk) { | 234 | if (first_chunk) { |
243 | mconsole_reply(req, "\n", 0, 1); | 235 | mconsole_reply(req, "\n", 0, 1); |
244 | first_chunk = 0; | 236 | first_chunk = 0; |
@@ -350,12 +342,12 @@ static struct mc_device *mconsole_find_dev(char *name) | |||
350 | struct list_head *ele; | 342 | struct list_head *ele; |
351 | struct mc_device *dev; | 343 | struct mc_device *dev; |
352 | 344 | ||
353 | list_for_each(ele, &mconsole_devices){ | 345 | list_for_each(ele, &mconsole_devices) { |
354 | dev = list_entry(ele, struct mc_device, list); | 346 | dev = list_entry(ele, struct mc_device, list); |
355 | if(!strncmp(name, dev->name, strlen(dev->name))) | 347 | if (!strncmp(name, dev->name, strlen(dev->name))) |
356 | return(dev); | 348 | return dev; |
357 | } | 349 | } |
358 | return(NULL); | 350 | return NULL; |
359 | } | 351 | } |
360 | 352 | ||
361 | #define UNPLUGGED_PER_PAGE \ | 353 | #define UNPLUGGED_PER_PAGE \ |
@@ -377,15 +369,15 @@ static int mem_config(char *str, char **error_out) | |||
377 | int err = -EINVAL, i, add; | 369 | int err = -EINVAL, i, add; |
378 | char *ret; | 370 | char *ret; |
379 | 371 | ||
380 | if(str[0] != '='){ | 372 | if (str[0] != '=') { |
381 | *error_out = "Expected '=' after 'mem'"; | 373 | *error_out = "Expected '=' after 'mem'"; |
382 | goto out; | 374 | goto out; |
383 | } | 375 | } |
384 | 376 | ||
385 | str++; | 377 | str++; |
386 | if(str[0] == '-') | 378 | if (str[0] == '-') |
387 | add = 0; | 379 | add = 0; |
388 | else if(str[0] == '+'){ | 380 | else if (str[0] == '+') { |
389 | add = 1; | 381 | add = 1; |
390 | } | 382 | } |
391 | else { | 383 | else { |
@@ -395,7 +387,7 @@ static int mem_config(char *str, char **error_out) | |||
395 | 387 | ||
396 | str++; | 388 | str++; |
397 | diff = memparse(str, &ret); | 389 | diff = memparse(str, &ret); |
398 | if(*ret != '\0'){ | 390 | if (*ret != '\0') { |
399 | *error_out = "Failed to parse memory increment"; | 391 | *error_out = "Failed to parse memory increment"; |
400 | goto out; | 392 | goto out; |
401 | } | 393 | } |
@@ -403,17 +395,17 @@ static int mem_config(char *str, char **error_out) | |||
403 | diff /= PAGE_SIZE; | 395 | diff /= PAGE_SIZE; |
404 | 396 | ||
405 | down(&plug_mem_mutex); | 397 | down(&plug_mem_mutex); |
406 | for(i = 0; i < diff; i++){ | 398 | for (i = 0; i < diff; i++) { |
407 | struct unplugged_pages *unplugged; | 399 | struct unplugged_pages *unplugged; |
408 | void *addr; | 400 | void *addr; |
409 | 401 | ||
410 | if(add){ | 402 | if (add) { |
411 | if(list_empty(&unplugged_pages)) | 403 | if (list_empty(&unplugged_pages)) |
412 | break; | 404 | break; |
413 | 405 | ||
414 | unplugged = list_entry(unplugged_pages.next, | 406 | unplugged = list_entry(unplugged_pages.next, |
415 | struct unplugged_pages, list); | 407 | struct unplugged_pages, list); |
416 | if(unplug_index > 0) | 408 | if (unplug_index > 0) |
417 | addr = unplugged->pages[--unplug_index]; | 409 | addr = unplugged->pages[--unplug_index]; |
418 | else { | 410 | else { |
419 | list_del(&unplugged->list); | 411 | list_del(&unplugged->list); |
@@ -428,11 +420,11 @@ static int mem_config(char *str, char **error_out) | |||
428 | struct page *page; | 420 | struct page *page; |
429 | 421 | ||
430 | page = alloc_page(GFP_ATOMIC); | 422 | page = alloc_page(GFP_ATOMIC); |
431 | if(page == NULL) | 423 | if (page == NULL) |
432 | break; | 424 | break; |
433 | 425 | ||
434 | unplugged = page_address(page); | 426 | unplugged = page_address(page); |
435 | if(unplug_index == UNPLUGGED_PER_PAGE){ | 427 | if (unplug_index == UNPLUGGED_PER_PAGE) { |
436 | list_add(&unplugged->list, &unplugged_pages); | 428 | list_add(&unplugged->list, &unplugged_pages); |
437 | unplug_index = 0; | 429 | unplug_index = 0; |
438 | } | 430 | } |
@@ -444,9 +436,9 @@ static int mem_config(char *str, char **error_out) | |||
444 | struct unplugged_pages, | 436 | struct unplugged_pages, |
445 | list); | 437 | list); |
446 | err = os_drop_memory(addr, PAGE_SIZE); | 438 | err = os_drop_memory(addr, PAGE_SIZE); |
447 | if(err){ | 439 | if (err) { |
448 | printk("Failed to release memory - " | 440 | printk(KERN_ERR "Failed to release " |
449 | "errno = %d\n", err); | 441 | "memory - errno = %d\n", err); |
450 | *error_out = "Failed to release memory"; | 442 | *error_out = "Failed to release memory"; |
451 | goto out_unlock; | 443 | goto out_unlock; |
452 | } | 444 | } |
@@ -500,10 +492,10 @@ static struct mc_device mem_mc = { | |||
500 | 492 | ||
501 | static int __init mem_mc_init(void) | 493 | static int __init mem_mc_init(void) |
502 | { | 494 | { |
503 | if(can_drop_memory()) | 495 | if (can_drop_memory()) |
504 | mconsole_register_dev(&mem_mc); | 496 | mconsole_register_dev(&mem_mc); |
505 | else printk("Can't release memory to the host - memory hotplug won't " | 497 | else printk(KERN_ERR "Can't release memory to the host - memory " |
506 | "be supported\n"); | 498 | "hotplug won't be supported\n"); |
507 | return 0; | 499 | return 0; |
508 | } | 500 | } |
509 | 501 | ||
@@ -518,7 +510,7 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int, | |||
518 | char default_buf[CONFIG_BUF_SIZE], *error, *buf; | 510 | char default_buf[CONFIG_BUF_SIZE], *error, *buf; |
519 | int n, size; | 511 | int n, size; |
520 | 512 | ||
521 | if(get_config == NULL){ | 513 | if (get_config == NULL) { |
522 | mconsole_reply(req, "No get_config routine defined", 1, 0); | 514 | mconsole_reply(req, "No get_config routine defined", 1, 0); |
523 | return; | 515 | return; |
524 | } | 516 | } |
@@ -527,30 +519,30 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int, | |||
527 | size = ARRAY_SIZE(default_buf); | 519 | size = ARRAY_SIZE(default_buf); |
528 | buf = default_buf; | 520 | buf = default_buf; |
529 | 521 | ||
530 | while(1){ | 522 | while (1) { |
531 | n = (*get_config)(name, buf, size, &error); | 523 | n = (*get_config)(name, buf, size, &error); |
532 | if(error != NULL){ | 524 | if (error != NULL) { |
533 | mconsole_reply(req, error, 1, 0); | 525 | mconsole_reply(req, error, 1, 0); |
534 | goto out; | 526 | goto out; |
535 | } | 527 | } |
536 | 528 | ||
537 | if(n <= size){ | 529 | if (n <= size) { |
538 | mconsole_reply(req, buf, 0, 0); | 530 | mconsole_reply(req, buf, 0, 0); |
539 | goto out; | 531 | goto out; |
540 | } | 532 | } |
541 | 533 | ||
542 | if(buf != default_buf) | 534 | if (buf != default_buf) |
543 | kfree(buf); | 535 | kfree(buf); |
544 | 536 | ||
545 | size = n; | 537 | size = n; |
546 | buf = kmalloc(size, GFP_KERNEL); | 538 | buf = kmalloc(size, GFP_KERNEL); |
547 | if(buf == NULL){ | 539 | if (buf == NULL) { |
548 | mconsole_reply(req, "Failed to allocate buffer", 1, 0); | 540 | mconsole_reply(req, "Failed to allocate buffer", 1, 0); |
549 | return; | 541 | return; |
550 | } | 542 | } |
551 | } | 543 | } |
552 | out: | 544 | out: |
553 | if(buf != default_buf) | 545 | if (buf != default_buf) |
554 | kfree(buf); | 546 | kfree(buf); |
555 | } | 547 | } |
556 | 548 | ||
@@ -561,19 +553,20 @@ void mconsole_config(struct mc_request *req) | |||
561 | int err; | 553 | int err; |
562 | 554 | ||
563 | ptr += strlen("config"); | 555 | ptr += strlen("config"); |
564 | while(isspace(*ptr)) ptr++; | 556 | while (isspace(*ptr)) |
557 | ptr++; | ||
565 | dev = mconsole_find_dev(ptr); | 558 | dev = mconsole_find_dev(ptr); |
566 | if(dev == NULL){ | 559 | if (dev == NULL) { |
567 | mconsole_reply(req, "Bad configuration option", 1, 0); | 560 | mconsole_reply(req, "Bad configuration option", 1, 0); |
568 | return; | 561 | return; |
569 | } | 562 | } |
570 | 563 | ||
571 | name = &ptr[strlen(dev->name)]; | 564 | name = &ptr[strlen(dev->name)]; |
572 | ptr = name; | 565 | ptr = name; |
573 | while((*ptr != '=') && (*ptr != '\0')) | 566 | while ((*ptr != '=') && (*ptr != '\0')) |
574 | ptr++; | 567 | ptr++; |
575 | 568 | ||
576 | if(*ptr == '='){ | 569 | if (*ptr == '=') { |
577 | err = (*dev->config)(name, &error_string); | 570 | err = (*dev->config)(name, &error_string); |
578 | mconsole_reply(req, error_string, err, 0); | 571 | mconsole_reply(req, error_string, err, 0); |
579 | } | 572 | } |
@@ -588,9 +581,9 @@ void mconsole_remove(struct mc_request *req) | |||
588 | int err, start, end, n; | 581 | int err, start, end, n; |
589 | 582 | ||
590 | ptr += strlen("remove"); | 583 | ptr += strlen("remove"); |
591 | while(isspace(*ptr)) ptr++; | 584 | while (isspace(*ptr)) ptr++; |
592 | dev = mconsole_find_dev(ptr); | 585 | dev = mconsole_find_dev(ptr); |
593 | if(dev == NULL){ | 586 | if (dev == NULL) { |
594 | mconsole_reply(req, "Bad remove option", 1, 0); | 587 | mconsole_reply(req, "Bad remove option", 1, 0); |
595 | return; | 588 | return; |
596 | } | 589 | } |
@@ -599,11 +592,11 @@ void mconsole_remove(struct mc_request *req) | |||
599 | 592 | ||
600 | err = 1; | 593 | err = 1; |
601 | n = (*dev->id)(&ptr, &start, &end); | 594 | n = (*dev->id)(&ptr, &start, &end); |
602 | if(n < 0){ | 595 | if (n < 0) { |
603 | err_msg = "Couldn't parse device number"; | 596 | err_msg = "Couldn't parse device number"; |
604 | goto out; | 597 | goto out; |
605 | } | 598 | } |
606 | else if((n < start) || (n > end)){ | 599 | else if ((n < start) || (n > end)) { |
607 | sprintf(error, "Invalid device number - must be between " | 600 | sprintf(error, "Invalid device number - must be between " |
608 | "%d and %d", start, end); | 601 | "%d and %d", start, end); |
609 | err_msg = error; | 602 | err_msg = error; |
@@ -612,16 +605,16 @@ void mconsole_remove(struct mc_request *req) | |||
612 | 605 | ||
613 | err_msg = NULL; | 606 | err_msg = NULL; |
614 | err = (*dev->remove)(n, &err_msg); | 607 | err = (*dev->remove)(n, &err_msg); |
615 | switch(err){ | 608 | switch(err) { |
616 | case 0: | 609 | case 0: |
617 | err_msg = ""; | 610 | err_msg = ""; |
618 | break; | 611 | break; |
619 | case -ENODEV: | 612 | case -ENODEV: |
620 | if(err_msg == NULL) | 613 | if (err_msg == NULL) |
621 | err_msg = "Device doesn't exist"; | 614 | err_msg = "Device doesn't exist"; |
622 | break; | 615 | break; |
623 | case -EBUSY: | 616 | case -EBUSY: |
624 | if(err_msg == NULL) | 617 | if (err_msg == NULL) |
625 | err_msg = "Device is currently open"; | 618 | err_msg = "Device is currently open"; |
626 | break; | 619 | break; |
627 | default: | 620 | default: |
@@ -647,19 +640,19 @@ static void console_write(struct console *console, const char *string, | |||
647 | struct list_head *ele; | 640 | struct list_head *ele; |
648 | int n; | 641 | int n; |
649 | 642 | ||
650 | if(list_empty(&clients)) | 643 | if (list_empty(&clients)) |
651 | return; | 644 | return; |
652 | 645 | ||
653 | while(1){ | 646 | while (1) { |
654 | n = min((size_t) len, ARRAY_SIZE(console_buf) - console_index); | 647 | n = min((size_t) len, ARRAY_SIZE(console_buf) - console_index); |
655 | strncpy(&console_buf[console_index], string, n); | 648 | strncpy(&console_buf[console_index], string, n); |
656 | console_index += n; | 649 | console_index += n; |
657 | string += n; | 650 | string += n; |
658 | len -= n; | 651 | len -= n; |
659 | if(len == 0) | 652 | if (len == 0) |
660 | return; | 653 | return; |
661 | 654 | ||
662 | list_for_each(ele, &clients){ | 655 | list_for_each(ele, &clients) { |
663 | struct mconsole_output *entry; | 656 | struct mconsole_output *entry; |
664 | 657 | ||
665 | entry = list_entry(ele, struct mconsole_output, list); | 658 | entry = list_entry(ele, struct mconsole_output, list); |
@@ -717,12 +710,13 @@ void mconsole_sysrq(struct mc_request *req) | |||
717 | char *ptr = req->request.data; | 710 | char *ptr = req->request.data; |
718 | 711 | ||
719 | ptr += strlen("sysrq"); | 712 | ptr += strlen("sysrq"); |
720 | while(isspace(*ptr)) ptr++; | 713 | while (isspace(*ptr)) ptr++; |
721 | 714 | ||
722 | /* With 'b', the system will shut down without a chance to reply, | 715 | /* |
716 | * With 'b', the system will shut down without a chance to reply, | ||
723 | * so in this case, we reply first. | 717 | * so in this case, we reply first. |
724 | */ | 718 | */ |
725 | if(*ptr == 'b') | 719 | if (*ptr == 'b') |
726 | mconsole_reply(req, "", 0, 0); | 720 | mconsole_reply(req, "", 0, 0); |
727 | 721 | ||
728 | with_console(req, sysrq_proc, ptr); | 722 | with_console(req, sysrq_proc, ptr); |
@@ -742,7 +736,8 @@ static void stack_proc(void *arg) | |||
742 | switch_to(from, to, from); | 736 | switch_to(from, to, from); |
743 | } | 737 | } |
744 | 738 | ||
745 | /* Mconsole stack trace | 739 | /* |
740 | * Mconsole stack trace | ||
746 | * Added by Allan Graves, Jeff Dike | 741 | * Added by Allan Graves, Jeff Dike |
747 | * Dumps a stacks registers to the linux console. | 742 | * Dumps a stacks registers to the linux console. |
748 | * Usage stack <pid>. | 743 | * Usage stack <pid>. |
@@ -754,17 +749,21 @@ void mconsole_stack(struct mc_request *req) | |||
754 | struct task_struct *from = NULL; | 749 | struct task_struct *from = NULL; |
755 | struct task_struct *to = NULL; | 750 | struct task_struct *to = NULL; |
756 | 751 | ||
757 | /* Would be nice: | 752 | /* |
753 | * Would be nice: | ||
758 | * 1) Send showregs output to mconsole. | 754 | * 1) Send showregs output to mconsole. |
759 | * 2) Add a way to stack dump all pids. | 755 | * 2) Add a way to stack dump all pids. |
760 | */ | 756 | */ |
761 | 757 | ||
762 | ptr += strlen("stack"); | 758 | ptr += strlen("stack"); |
763 | while(isspace(*ptr)) ptr++; | 759 | while (isspace(*ptr)) |
760 | ptr++; | ||
764 | 761 | ||
765 | /* Should really check for multiple pids or reject bad args here */ | 762 | /* |
763 | * Should really check for multiple pids or reject bad args here | ||
764 | */ | ||
766 | /* What do the arguments in mconsole_reply mean? */ | 765 | /* What do the arguments in mconsole_reply mean? */ |
767 | if(sscanf(ptr, "%d", &pid_requested) == 0){ | 766 | if (sscanf(ptr, "%d", &pid_requested) == 0) { |
768 | mconsole_reply(req, "Please specify a pid", 1, 0); | 767 | mconsole_reply(req, "Please specify a pid", 1, 0); |
769 | return; | 768 | return; |
770 | } | 769 | } |
@@ -772,14 +771,15 @@ void mconsole_stack(struct mc_request *req) | |||
772 | from = current; | 771 | from = current; |
773 | 772 | ||
774 | to = find_task_by_pid(pid_requested); | 773 | to = find_task_by_pid(pid_requested); |
775 | if((to == NULL) || (pid_requested == 0)) { | 774 | if ((to == NULL) || (pid_requested == 0)) { |
776 | mconsole_reply(req, "Couldn't find that pid", 1, 0); | 775 | mconsole_reply(req, "Couldn't find that pid", 1, 0); |
777 | return; | 776 | return; |
778 | } | 777 | } |
779 | with_console(req, stack_proc, to); | 778 | with_console(req, stack_proc, to); |
780 | } | 779 | } |
781 | 780 | ||
782 | /* Changed by mconsole_setup, which is __setup, and called before SMP is | 781 | /* |
782 | * Changed by mconsole_setup, which is __setup, and called before SMP is | ||
783 | * active. | 783 | * active. |
784 | */ | 784 | */ |
785 | static char *notify_socket = NULL; | 785 | static char *notify_socket = NULL; |
@@ -791,13 +791,14 @@ static int __init mconsole_init(void) | |||
791 | int err; | 791 | int err; |
792 | char file[256]; | 792 | char file[256]; |
793 | 793 | ||
794 | if(umid_file_name("mconsole", file, sizeof(file))) return(-1); | 794 | if (umid_file_name("mconsole", file, sizeof(file))) |
795 | return -1; | ||
795 | snprintf(mconsole_socket_name, sizeof(file), "%s", file); | 796 | snprintf(mconsole_socket_name, sizeof(file), "%s", file); |
796 | 797 | ||
797 | sock = os_create_unix_socket(file, sizeof(file), 1); | 798 | sock = os_create_unix_socket(file, sizeof(file), 1); |
798 | if (sock < 0){ | 799 | if (sock < 0) { |
799 | printk("Failed to initialize management console\n"); | 800 | printk(KERN_ERR "Failed to initialize management console\n"); |
800 | return(1); | 801 | return 1; |
801 | } | 802 | } |
802 | 803 | ||
803 | register_reboot_notifier(&reboot_notifier); | 804 | register_reboot_notifier(&reboot_notifier); |
@@ -805,14 +806,14 @@ static int __init mconsole_init(void) | |||
805 | err = um_request_irq(MCONSOLE_IRQ, sock, IRQ_READ, mconsole_interrupt, | 806 | err = um_request_irq(MCONSOLE_IRQ, sock, IRQ_READ, mconsole_interrupt, |
806 | IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, | 807 | IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, |
807 | "mconsole", (void *)sock); | 808 | "mconsole", (void *)sock); |
808 | if (err){ | 809 | if (err) { |
809 | printk("Failed to get IRQ for management console\n"); | 810 | printk(KERN_ERR "Failed to get IRQ for management console\n"); |
810 | return(1); | 811 | return 1; |
811 | } | 812 | } |
812 | 813 | ||
813 | if(notify_socket != NULL){ | 814 | if (notify_socket != NULL) { |
814 | notify_socket = kstrdup(notify_socket, GFP_KERNEL); | 815 | notify_socket = kstrdup(notify_socket, GFP_KERNEL); |
815 | if(notify_socket != NULL) | 816 | if (notify_socket != NULL) |
816 | mconsole_notify(notify_socket, MCONSOLE_SOCKET, | 817 | mconsole_notify(notify_socket, MCONSOLE_SOCKET, |
817 | mconsole_socket_name, | 818 | mconsole_socket_name, |
818 | strlen(mconsole_socket_name) + 1); | 819 | strlen(mconsole_socket_name) + 1); |
@@ -820,9 +821,9 @@ static int __init mconsole_init(void) | |||
820 | "string\n"); | 821 | "string\n"); |
821 | } | 822 | } |
822 | 823 | ||
823 | printk("mconsole (version %d) initialized on %s\n", | 824 | printk(KERN_INFO "mconsole (version %d) initialized on %s\n", |
824 | MCONSOLE_VERSION, mconsole_socket_name); | 825 | MCONSOLE_VERSION, mconsole_socket_name); |
825 | return(0); | 826 | return 0; |
826 | } | 827 | } |
827 | 828 | ||
828 | __initcall(mconsole_init); | 829 | __initcall(mconsole_init); |
@@ -833,10 +834,10 @@ static int write_proc_mconsole(struct file *file, const char __user *buffer, | |||
833 | char *buf; | 834 | char *buf; |
834 | 835 | ||
835 | buf = kmalloc(count + 1, GFP_KERNEL); | 836 | buf = kmalloc(count + 1, GFP_KERNEL); |
836 | if(buf == NULL) | 837 | if (buf == NULL) |
837 | return(-ENOMEM); | 838 | return -ENOMEM; |
838 | 839 | ||
839 | if(copy_from_user(buf, buffer, count)){ | 840 | if (copy_from_user(buf, buffer, count)) { |
840 | count = -EFAULT; | 841 | count = -EFAULT; |
841 | goto out; | 842 | goto out; |
842 | } | 843 | } |
@@ -846,24 +847,26 @@ static int write_proc_mconsole(struct file *file, const char __user *buffer, | |||
846 | mconsole_notify(notify_socket, MCONSOLE_USER_NOTIFY, buf, count); | 847 | mconsole_notify(notify_socket, MCONSOLE_USER_NOTIFY, buf, count); |
847 | out: | 848 | out: |
848 | kfree(buf); | 849 | kfree(buf); |
849 | return(count); | 850 | return count; |
850 | } | 851 | } |
851 | 852 | ||
852 | static int create_proc_mconsole(void) | 853 | static int create_proc_mconsole(void) |
853 | { | 854 | { |
854 | struct proc_dir_entry *ent; | 855 | struct proc_dir_entry *ent; |
855 | 856 | ||
856 | if(notify_socket == NULL) return(0); | 857 | if (notify_socket == NULL) |
858 | return 0; | ||
857 | 859 | ||
858 | ent = create_proc_entry("mconsole", S_IFREG | 0200, NULL); | 860 | ent = create_proc_entry("mconsole", S_IFREG | 0200, NULL); |
859 | if(ent == NULL){ | 861 | if (ent == NULL) { |
860 | printk(KERN_INFO "create_proc_mconsole : create_proc_entry failed\n"); | 862 | printk(KERN_INFO "create_proc_mconsole : create_proc_entry " |
861 | return(0); | 863 | "failed\n"); |
864 | return 0; | ||
862 | } | 865 | } |
863 | 866 | ||
864 | ent->read_proc = NULL; | 867 | ent->read_proc = NULL; |
865 | ent->write_proc = write_proc_mconsole; | 868 | ent->write_proc = write_proc_mconsole; |
866 | return(0); | 869 | return 0; |
867 | } | 870 | } |
868 | 871 | ||
869 | static DEFINE_SPINLOCK(notify_spinlock); | 872 | static DEFINE_SPINLOCK(notify_spinlock); |
@@ -884,12 +887,12 @@ __initcall(create_proc_mconsole); | |||
884 | 887 | ||
885 | static int mconsole_setup(char *str) | 888 | static int mconsole_setup(char *str) |
886 | { | 889 | { |
887 | if(!strncmp(str, NOTIFY, strlen(NOTIFY))){ | 890 | if (!strncmp(str, NOTIFY, strlen(NOTIFY))) { |
888 | str += strlen(NOTIFY); | 891 | str += strlen(NOTIFY); |
889 | notify_socket = str; | 892 | notify_socket = str; |
890 | } | 893 | } |
891 | else printk(KERN_ERR "mconsole_setup : Unknown option - '%s'\n", str); | 894 | else printk(KERN_ERR "mconsole_setup : Unknown option - '%s'\n", str); |
892 | return(1); | 895 | return 1; |
893 | } | 896 | } |
894 | 897 | ||
895 | __setup("mconsole", mconsole_setup); | 898 | __setup("mconsole", mconsole_setup); |
@@ -907,11 +910,12 @@ static int notify_panic(struct notifier_block *self, unsigned long unused1, | |||
907 | { | 910 | { |
908 | char *message = ptr; | 911 | char *message = ptr; |
909 | 912 | ||
910 | if(notify_socket == NULL) return(0); | 913 | if (notify_socket == NULL) |
914 | return 0; | ||
911 | 915 | ||
912 | mconsole_notify(notify_socket, MCONSOLE_PANIC, message, | 916 | mconsole_notify(notify_socket, MCONSOLE_PANIC, message, |
913 | strlen(message) + 1); | 917 | strlen(message) + 1); |
914 | return(0); | 918 | return 0; |
915 | } | 919 | } |
916 | 920 | ||
917 | static struct notifier_block panic_exit_notifier = { | 921 | static struct notifier_block panic_exit_notifier = { |
@@ -924,14 +928,14 @@ static int add_notifier(void) | |||
924 | { | 928 | { |
925 | atomic_notifier_chain_register(&panic_notifier_list, | 929 | atomic_notifier_chain_register(&panic_notifier_list, |
926 | &panic_exit_notifier); | 930 | &panic_exit_notifier); |
927 | return(0); | 931 | return 0; |
928 | } | 932 | } |
929 | 933 | ||
930 | __initcall(add_notifier); | 934 | __initcall(add_notifier); |
931 | 935 | ||
932 | char *mconsole_notify_socket(void) | 936 | char *mconsole_notify_socket(void) |
933 | { | 937 | { |
934 | return(notify_socket); | 938 | return notify_socket; |
935 | } | 939 | } |
936 | 940 | ||
937 | EXPORT_SYMBOL(mconsole_notify_socket); | 941 | EXPORT_SYMBOL(mconsole_notify_socket); |
diff --git a/arch/um/include/um_mmu.h b/arch/um/include/um_mmu.h index 03bd4b949c04..668da8426ef4 100644 --- a/arch/um/include/um_mmu.h +++ b/arch/um/include/um_mmu.h | |||
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | 2 | * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
3 | * Licensed under the GPL | 3 | * Licensed under the GPL |
4 | */ | 4 | */ |
5 | 5 | ||
diff --git a/arch/um/include/um_uaccess.h b/arch/um/include/um_uaccess.h index b1629b1e1423..5ef311a1a394 100644 --- a/arch/um/include/um_uaccess.h +++ b/arch/um/include/um_uaccess.h | |||
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | 2 | * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
3 | * Licensed under the GPL | 3 | * Licensed under the GPL |
4 | */ | 4 | */ |
5 | 5 | ||
@@ -10,7 +10,7 @@ | |||
10 | 10 | ||
11 | #define __under_task_size(addr, size) \ | 11 | #define __under_task_size(addr, size) \ |
12 | (((unsigned long) (addr) < TASK_SIZE) && \ | 12 | (((unsigned long) (addr) < TASK_SIZE) && \ |
13 | (((unsigned long) (addr) + (size)) < TASK_SIZE)) | 13 | (((unsigned long) (addr) + (size)) < TASK_SIZE)) |
14 | 14 | ||
15 | #define __access_ok_vsyscall(type, addr, size) \ | 15 | #define __access_ok_vsyscall(type, addr, size) \ |
16 | ((type == VERIFY_READ) && \ | 16 | ((type == VERIFY_READ) && \ |
@@ -90,14 +90,3 @@ extern int clear_user(void __user *mem, int len); | |||
90 | extern int strnlen_user(const void __user *str, int len); | 90 | extern int strnlen_user(const void __user *str, int len); |
91 | 91 | ||
92 | #endif | 92 | #endif |
93 | |||
94 | /* | ||
95 | * Overrides for Emacs so that we follow Linus's tabbing style. | ||
96 | * Emacs will notice this stuff at the end of the file and automatically | ||
97 | * adjust the settings for this buffer only. This must remain at the end | ||
98 | * of the file. | ||
99 | * --------------------------------------------------------------------------- | ||
100 | * Local variables: | ||
101 | * c-file-style: "linux" | ||
102 | * End: | ||
103 | */ | ||
diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c index 996412c0bb47..341234d04ab8 100644 --- a/arch/um/kernel/ksyms.c +++ b/arch/um/kernel/ksyms.c | |||
@@ -1,22 +1,15 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (C) 2001 - 2004 Jeff Dike (jdike@addtoit.com) | 2 | * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
3 | * Licensed under the GPL | 3 | * Licensed under the GPL |
4 | */ | 4 | */ |
5 | 5 | ||
6 | #include "linux/module.h" | 6 | #include "linux/module.h" |
7 | #include "linux/string.h" | 7 | #include "linux/syscalls.h" |
8 | #include "linux/smp_lock.h" | 8 | #include "asm/a.out.h" |
9 | #include "linux/spinlock.h" | ||
10 | #include "linux/highmem.h" | ||
11 | #include "asm/current.h" | ||
12 | #include "asm/processor.h" | ||
13 | #include "asm/unistd.h" | ||
14 | #include "asm/pgalloc.h" | ||
15 | #include "asm/pgtable.h" | ||
16 | #include "asm/page.h" | ||
17 | #include "asm/tlbflush.h" | 9 | #include "asm/tlbflush.h" |
18 | #include "kern_util.h" | 10 | #include "asm/uaccess.h" |
19 | #include "as-layout.h" | 11 | #include "as-layout.h" |
12 | #include "kern_util.h" | ||
20 | #include "mem_user.h" | 13 | #include "mem_user.h" |
21 | #include "os.h" | 14 | #include "os.h" |
22 | 15 | ||