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1 | /* |
2 | * linux/mm/mlock.c |
3 | * |
4 | * (C) Copyright 1995 Linus Torvalds |
5 | * (C) Copyright 2002 Christoph Hellwig |
6 | */ |
7 | |
8 | #include <linux/capability.h> |
9 | #include <linux/mman.h> |
10 | #include <linux/mm.h> |
11 | #include <linux/swap.h> |
12 | #include <linux/swapops.h> |
13 | #include <linux/pagemap.h> |
14 | #include <linux/mempolicy.h> |
15 | #include <linux/syscalls.h> |
16 | #include <linux/sched.h> |
17 | #include <linux/export.h> |
18 | #include <linux/rmap.h> |
19 | #include <linux/mmzone.h> |
20 | #include <linux/hugetlb.h> |
21 | |
22 | #include "internal.h" |
23 | |
24 | int can_do_mlock(void) |
25 | { |
26 | if (capable(CAP_IPC_LOCK)) |
27 | return 1; |
28 | if (rlimit(RLIMIT_MEMLOCK) != 0) |
29 | return 1; |
30 | return 0; |
31 | } |
32 | EXPORT_SYMBOL(can_do_mlock); |
33 | |
34 | /* |
35 | * Mlocked pages are marked with PageMlocked() flag for efficient testing |
36 | * in vmscan and, possibly, the fault path; and to support semi-accurate |
37 | * statistics. |
38 | * |
39 | * An mlocked page [PageMlocked(page)] is unevictable. As such, it will |
40 | * be placed on the LRU "unevictable" list, rather than the [in]active lists. |
41 | * The unevictable list is an LRU sibling list to the [in]active lists. |
42 | * PageUnevictable is set to indicate the unevictable state. |
43 | * |
44 | * When lazy mlocking via vmscan, it is important to ensure that the |
45 | * vma's VM_LOCKED status is not concurrently being modified, otherwise we |
46 | * may have mlocked a page that is being munlocked. So lazy mlock must take |
47 | * the mmap_sem for read, and verify that the vma really is locked |
48 | * (see mm/rmap.c). |
49 | */ |
50 | |
51 | /* |
52 | * LRU accounting for clear_page_mlock() |
53 | */ |
54 | void __clear_page_mlock(struct page *page) |
55 | { |
56 | VM_BUG_ON(!PageLocked(page)); |
57 | |
58 | if (!page->mapping) { /* truncated ? */ |
59 | return; |
60 | } |
61 | |
62 | dec_zone_page_state(page, NR_MLOCK); |
63 | count_vm_event(UNEVICTABLE_PGCLEARED); |
64 | if (!isolate_lru_page(page)) { |
65 | putback_lru_page(page); |
66 | } else { |
67 | /* |
68 | * We lost the race. the page already moved to evictable list. |
69 | */ |
70 | if (PageUnevictable(page)) |
71 | count_vm_event(UNEVICTABLE_PGSTRANDED); |
72 | } |
73 | } |
74 | |
75 | /* |
76 | * Mark page as mlocked if not already. |
77 | * If page on LRU, isolate and putback to move to unevictable list. |
78 | */ |
79 | void mlock_vma_page(struct page *page) |
80 | { |
81 | BUG_ON(!PageLocked(page)); |
82 | |
83 | if (!TestSetPageMlocked(page)) { |
84 | inc_zone_page_state(page, NR_MLOCK); |
85 | count_vm_event(UNEVICTABLE_PGMLOCKED); |
86 | if (!isolate_lru_page(page)) |
87 | putback_lru_page(page); |
88 | } |
89 | } |
90 | |
91 | /** |
92 | * munlock_vma_page - munlock a vma page |
93 | * @page - page to be unlocked |
94 | * |
95 | * called from munlock()/munmap() path with page supposedly on the LRU. |
96 | * When we munlock a page, because the vma where we found the page is being |
97 | * munlock()ed or munmap()ed, we want to check whether other vmas hold the |
98 | * page locked so that we can leave it on the unevictable lru list and not |
99 | * bother vmscan with it. However, to walk the page's rmap list in |
100 | * try_to_munlock() we must isolate the page from the LRU. If some other |
101 | * task has removed the page from the LRU, we won't be able to do that. |
102 | * So we clear the PageMlocked as we might not get another chance. If we |
103 | * can't isolate the page, we leave it for putback_lru_page() and vmscan |
104 | * [page_referenced()/try_to_unmap()] to deal with. |
105 | */ |
106 | void munlock_vma_page(struct page *page) |
107 | { |
108 | BUG_ON(!PageLocked(page)); |
109 | |
110 | if (TestClearPageMlocked(page)) { |
111 | dec_zone_page_state(page, NR_MLOCK); |
112 | if (!isolate_lru_page(page)) { |
113 | int ret = SWAP_AGAIN; |
114 | |
115 | /* |
116 | * Optimization: if the page was mapped just once, |
117 | * that's our mapping and we don't need to check all the |
118 | * other vmas. |
119 | */ |
120 | if (page_mapcount(page) > 1) |
121 | ret = try_to_munlock(page); |
122 | /* |
123 | * did try_to_unlock() succeed or punt? |
124 | */ |
125 | if (ret != SWAP_MLOCK) |
126 | count_vm_event(UNEVICTABLE_PGMUNLOCKED); |
127 | |
128 | putback_lru_page(page); |
129 | } else { |
130 | /* |
131 | * Some other task has removed the page from the LRU. |
132 | * putback_lru_page() will take care of removing the |
133 | * page from the unevictable list, if necessary. |
134 | * vmscan [page_referenced()] will move the page back |
135 | * to the unevictable list if some other vma has it |
136 | * mlocked. |
137 | */ |
138 | if (PageUnevictable(page)) |
139 | count_vm_event(UNEVICTABLE_PGSTRANDED); |
140 | else |
141 | count_vm_event(UNEVICTABLE_PGMUNLOCKED); |
142 | } |
143 | } |
144 | } |
145 | |
146 | /** |
147 | * __mlock_vma_pages_range() - mlock a range of pages in the vma. |
148 | * @vma: target vma |
149 | * @start: start address |
150 | * @end: end address |
151 | * |
152 | * This takes care of making the pages present too. |
153 | * |
154 | * return 0 on success, negative error code on error. |
155 | * |
156 | * vma->vm_mm->mmap_sem must be held for at least read. |
157 | */ |
158 | static long __mlock_vma_pages_range(struct vm_area_struct *vma, |
159 | unsigned long start, unsigned long end, |
160 | int *nonblocking) |
161 | { |
162 | struct mm_struct *mm = vma->vm_mm; |
163 | unsigned long addr = start; |
164 | int nr_pages = (end - start) / PAGE_SIZE; |
165 | int gup_flags; |
166 | |
167 | VM_BUG_ON(start & ~PAGE_MASK); |
168 | VM_BUG_ON(end & ~PAGE_MASK); |
169 | VM_BUG_ON(start < vma->vm_start); |
170 | VM_BUG_ON(end > vma->vm_end); |
171 | VM_BUG_ON(!rwsem_is_locked(&mm->mmap_sem)); |
172 | |
173 | gup_flags = FOLL_TOUCH | FOLL_MLOCK; |
174 | /* |
175 | * We want to touch writable mappings with a write fault in order |
176 | * to break COW, except for shared mappings because these don't COW |
177 | * and we would not want to dirty them for nothing. |
178 | */ |
179 | if ((vma->vm_flags & (VM_WRITE | VM_SHARED)) == VM_WRITE) |
180 | gup_flags |= FOLL_WRITE; |
181 | |
182 | /* |
183 | * We want mlock to succeed for regions that have any permissions |
184 | * other than PROT_NONE. |
185 | */ |
186 | if (vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) |
187 | gup_flags |= FOLL_FORCE; |
188 | |
189 | return __get_user_pages(current, mm, addr, nr_pages, gup_flags, |
190 | NULL, NULL, nonblocking); |
191 | } |
192 | |
193 | /* |
194 | * convert get_user_pages() return value to posix mlock() error |
195 | */ |
196 | static int __mlock_posix_error_return(long retval) |
197 | { |
198 | if (retval == -EFAULT) |
199 | retval = -ENOMEM; |
200 | else if (retval == -ENOMEM) |
201 | retval = -EAGAIN; |
202 | return retval; |
203 | } |
204 | |
205 | /** |
206 | * mlock_vma_pages_range() - mlock pages in specified vma range. |
207 | * @vma - the vma containing the specfied address range |
208 | * @start - starting address in @vma to mlock |
209 | * @end - end address [+1] in @vma to mlock |
210 | * |
211 | * For mmap()/mremap()/expansion of mlocked vma. |
212 | * |
213 | * return 0 on success for "normal" vmas. |
214 | * |
215 | * return number of pages [> 0] to be removed from locked_vm on success |
216 | * of "special" vmas. |
217 | */ |
218 | long mlock_vma_pages_range(struct vm_area_struct *vma, |
219 | unsigned long start, unsigned long end) |
220 | { |
221 | int nr_pages = (end - start) / PAGE_SIZE; |
222 | BUG_ON(!(vma->vm_flags & VM_LOCKED)); |
223 | |
224 | /* |
225 | * filter unlockable vmas |
226 | */ |
227 | if (vma->vm_flags & (VM_IO | VM_PFNMAP)) |
228 | goto no_mlock; |
229 | |
230 | if (!((vma->vm_flags & (VM_DONTEXPAND | VM_RESERVED)) || |
231 | is_vm_hugetlb_page(vma) || |
232 | vma == get_gate_vma(current->mm))) { |
233 | |
234 | __mlock_vma_pages_range(vma, start, end, NULL); |
235 | |
236 | /* Hide errors from mmap() and other callers */ |
237 | return 0; |
238 | } |
239 | |
240 | /* |
241 | * User mapped kernel pages or huge pages: |
242 | * make these pages present to populate the ptes, but |
243 | * fall thru' to reset VM_LOCKED--no need to unlock, and |
244 | * return nr_pages so these don't get counted against task's |
245 | * locked limit. huge pages are already counted against |
246 | * locked vm limit. |
247 | */ |
248 | make_pages_present(start, end); |
249 | |
250 | no_mlock: |
251 | vma->vm_flags &= ~VM_LOCKED; /* and don't come back! */ |
252 | return nr_pages; /* error or pages NOT mlocked */ |
253 | } |
254 | |
255 | /* |
256 | * munlock_vma_pages_range() - munlock all pages in the vma range.' |
257 | * @vma - vma containing range to be munlock()ed. |
258 | * @start - start address in @vma of the range |
259 | * @end - end of range in @vma. |
260 | * |
261 | * For mremap(), munmap() and exit(). |
262 | * |
263 | * Called with @vma VM_LOCKED. |
264 | * |
265 | * Returns with VM_LOCKED cleared. Callers must be prepared to |
266 | * deal with this. |
267 | * |
268 | * We don't save and restore VM_LOCKED here because pages are |
269 | * still on lru. In unmap path, pages might be scanned by reclaim |
270 | * and re-mlocked by try_to_{munlock|unmap} before we unmap and |
271 | * free them. This will result in freeing mlocked pages. |
272 | */ |
273 | void munlock_vma_pages_range(struct vm_area_struct *vma, |
274 | unsigned long start, unsigned long end) |
275 | { |
276 | unsigned long addr; |
277 | |
278 | lru_add_drain(); |
279 | vma->vm_flags &= ~VM_LOCKED; |
280 | |
281 | for (addr = start; addr < end; addr += PAGE_SIZE) { |
282 | struct page *page; |
283 | /* |
284 | * Although FOLL_DUMP is intended for get_dump_page(), |
285 | * it just so happens that its special treatment of the |
286 | * ZERO_PAGE (returning an error instead of doing get_page) |
287 | * suits munlock very well (and if somehow an abnormal page |
288 | * has sneaked into the range, we won't oops here: great). |
289 | */ |
290 | page = follow_page(vma, addr, FOLL_GET | FOLL_DUMP); |
291 | if (page && !IS_ERR(page)) { |
292 | lock_page(page); |
293 | /* |
294 | * Like in __mlock_vma_pages_range(), |
295 | * because we lock page here and migration is |
296 | * blocked by the elevated reference, we need |
297 | * only check for file-cache page truncation. |
298 | */ |
299 | if (page->mapping) |
300 | munlock_vma_page(page); |
301 | unlock_page(page); |
302 | put_page(page); |
303 | } |
304 | cond_resched(); |
305 | } |
306 | } |
307 | |
308 | /* |
309 | * mlock_fixup - handle mlock[all]/munlock[all] requests. |
310 | * |
311 | * Filters out "special" vmas -- VM_LOCKED never gets set for these, and |
312 | * munlock is a no-op. However, for some special vmas, we go ahead and |
313 | * populate the ptes via make_pages_present(). |
314 | * |
315 | * For vmas that pass the filters, merge/split as appropriate. |
316 | */ |
317 | static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev, |
318 | unsigned long start, unsigned long end, vm_flags_t newflags) |
319 | { |
320 | struct mm_struct *mm = vma->vm_mm; |
321 | pgoff_t pgoff; |
322 | int nr_pages; |
323 | int ret = 0; |
324 | int lock = !!(newflags & VM_LOCKED); |
325 | |
326 | if (newflags == vma->vm_flags || (vma->vm_flags & VM_SPECIAL) || |
327 | is_vm_hugetlb_page(vma) || vma == get_gate_vma(current->mm)) |
328 | goto out; /* don't set VM_LOCKED, don't count */ |
329 | |
330 | pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT); |
331 | *prev = vma_merge(mm, *prev, start, end, newflags, vma->anon_vma, |
332 | vma->vm_file, pgoff, vma_policy(vma)); |
333 | if (*prev) { |
334 | vma = *prev; |
335 | goto success; |
336 | } |
337 | |
338 | if (start != vma->vm_start) { |
339 | ret = split_vma(mm, vma, start, 1); |
340 | if (ret) |
341 | goto out; |
342 | } |
343 | |
344 | if (end != vma->vm_end) { |
345 | ret = split_vma(mm, vma, end, 0); |
346 | if (ret) |
347 | goto out; |
348 | } |
349 | |
350 | success: |
351 | /* |
352 | * Keep track of amount of locked VM. |
353 | */ |
354 | nr_pages = (end - start) >> PAGE_SHIFT; |
355 | if (!lock) |
356 | nr_pages = -nr_pages; |
357 | mm->locked_vm += nr_pages; |
358 | |
359 | /* |
360 | * vm_flags is protected by the mmap_sem held in write mode. |
361 | * It's okay if try_to_unmap_one unmaps a page just after we |
362 | * set VM_LOCKED, __mlock_vma_pages_range will bring it back. |
363 | */ |
364 | |
365 | if (lock) |
366 | vma->vm_flags = newflags; |
367 | else |
368 | munlock_vma_pages_range(vma, start, end); |
369 | |
370 | out: |
371 | *prev = vma; |
372 | return ret; |
373 | } |
374 | |
375 | static int do_mlock(unsigned long start, size_t len, int on) |
376 | { |
377 | unsigned long nstart, end, tmp; |
378 | struct vm_area_struct * vma, * prev; |
379 | int error; |
380 | |
381 | VM_BUG_ON(start & ~PAGE_MASK); |
382 | VM_BUG_ON(len != PAGE_ALIGN(len)); |
383 | end = start + len; |
384 | if (end < start) |
385 | return -EINVAL; |
386 | if (end == start) |
387 | return 0; |
388 | vma = find_vma(current->mm, start); |
389 | if (!vma || vma->vm_start > start) |
390 | return -ENOMEM; |
391 | |
392 | prev = vma->vm_prev; |
393 | if (start > vma->vm_start) |
394 | prev = vma; |
395 | |
396 | for (nstart = start ; ; ) { |
397 | vm_flags_t newflags; |
398 | |
399 | /* Here we know that vma->vm_start <= nstart < vma->vm_end. */ |
400 | |
401 | newflags = vma->vm_flags | VM_LOCKED; |
402 | if (!on) |
403 | newflags &= ~VM_LOCKED; |
404 | |
405 | tmp = vma->vm_end; |
406 | if (tmp > end) |
407 | tmp = end; |
408 | error = mlock_fixup(vma, &prev, nstart, tmp, newflags); |
409 | if (error) |
410 | break; |
411 | nstart = tmp; |
412 | if (nstart < prev->vm_end) |
413 | nstart = prev->vm_end; |
414 | if (nstart >= end) |
415 | break; |
416 | |
417 | vma = prev->vm_next; |
418 | if (!vma || vma->vm_start != nstart) { |
419 | error = -ENOMEM; |
420 | break; |
421 | } |
422 | } |
423 | return error; |
424 | } |
425 | |
426 | static int do_mlock_pages(unsigned long start, size_t len, int ignore_errors) |
427 | { |
428 | struct mm_struct *mm = current->mm; |
429 | unsigned long end, nstart, nend; |
430 | struct vm_area_struct *vma = NULL; |
431 | int locked = 0; |
432 | int ret = 0; |
433 | |
434 | VM_BUG_ON(start & ~PAGE_MASK); |
435 | VM_BUG_ON(len != PAGE_ALIGN(len)); |
436 | end = start + len; |
437 | |
438 | for (nstart = start; nstart < end; nstart = nend) { |
439 | /* |
440 | * We want to fault in pages for [nstart; end) address range. |
441 | * Find first corresponding VMA. |
442 | */ |
443 | if (!locked) { |
444 | locked = 1; |
445 | down_read(&mm->mmap_sem); |
446 | vma = find_vma(mm, nstart); |
447 | } else if (nstart >= vma->vm_end) |
448 | vma = vma->vm_next; |
449 | if (!vma || vma->vm_start >= end) |
450 | break; |
451 | /* |
452 | * Set [nstart; nend) to intersection of desired address |
453 | * range with the first VMA. Also, skip undesirable VMA types. |
454 | */ |
455 | nend = min(end, vma->vm_end); |
456 | if (vma->vm_flags & (VM_IO | VM_PFNMAP)) |
457 | continue; |
458 | if (nstart < vma->vm_start) |
459 | nstart = vma->vm_start; |
460 | /* |
461 | * Now fault in a range of pages. __mlock_vma_pages_range() |
462 | * double checks the vma flags, so that it won't mlock pages |
463 | * if the vma was already munlocked. |
464 | */ |
465 | ret = __mlock_vma_pages_range(vma, nstart, nend, &locked); |
466 | if (ret < 0) { |
467 | if (ignore_errors) { |
468 | ret = 0; |
469 | continue; /* continue at next VMA */ |
470 | } |
471 | ret = __mlock_posix_error_return(ret); |
472 | break; |
473 | } |
474 | nend = nstart + ret * PAGE_SIZE; |
475 | ret = 0; |
476 | } |
477 | if (locked) |
478 | up_read(&mm->mmap_sem); |
479 | return ret; /* 0 or negative error code */ |
480 | } |
481 | |
482 | SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len) |
483 | { |
484 | unsigned long locked; |
485 | unsigned long lock_limit; |
486 | int error = -ENOMEM; |
487 | |
488 | if (!can_do_mlock()) |
489 | return -EPERM; |
490 | |
491 | lru_add_drain_all(); /* flush pagevec */ |
492 | |
493 | down_write(¤t->mm->mmap_sem); |
494 | len = PAGE_ALIGN(len + (start & ~PAGE_MASK)); |
495 | start &= PAGE_MASK; |
496 | |
497 | locked = len >> PAGE_SHIFT; |
498 | locked += current->mm->locked_vm; |
499 | |
500 | lock_limit = rlimit(RLIMIT_MEMLOCK); |
501 | lock_limit >>= PAGE_SHIFT; |
502 | |
503 | /* check against resource limits */ |
504 | if ((locked <= lock_limit) || capable(CAP_IPC_LOCK)) |
505 | error = do_mlock(start, len, 1); |
506 | up_write(¤t->mm->mmap_sem); |
507 | if (!error) |
508 | error = do_mlock_pages(start, len, 0); |
509 | return error; |
510 | } |
511 | |
512 | SYSCALL_DEFINE2(munlock, unsigned long, start, size_t, len) |
513 | { |
514 | int ret; |
515 | |
516 | down_write(¤t->mm->mmap_sem); |
517 | len = PAGE_ALIGN(len + (start & ~PAGE_MASK)); |
518 | start &= PAGE_MASK; |
519 | ret = do_mlock(start, len, 0); |
520 | up_write(¤t->mm->mmap_sem); |
521 | return ret; |
522 | } |
523 | |
524 | static int do_mlockall(int flags) |
525 | { |
526 | struct vm_area_struct * vma, * prev = NULL; |
527 | unsigned int def_flags = 0; |
528 | |
529 | if (flags & MCL_FUTURE) |
530 | def_flags = VM_LOCKED; |
531 | current->mm->def_flags = def_flags; |
532 | if (flags == MCL_FUTURE) |
533 | goto out; |
534 | |
535 | for (vma = current->mm->mmap; vma ; vma = prev->vm_next) { |
536 | vm_flags_t newflags; |
537 | |
538 | newflags = vma->vm_flags | VM_LOCKED; |
539 | if (!(flags & MCL_CURRENT)) |
540 | newflags &= ~VM_LOCKED; |
541 | |
542 | /* Ignore errors */ |
543 | mlock_fixup(vma, &prev, vma->vm_start, vma->vm_end, newflags); |
544 | } |
545 | out: |
546 | return 0; |
547 | } |
548 | |
549 | SYSCALL_DEFINE1(mlockall, int, flags) |
550 | { |
551 | unsigned long lock_limit; |
552 | int ret = -EINVAL; |
553 | |
554 | if (!flags || (flags & ~(MCL_CURRENT | MCL_FUTURE))) |
555 | goto out; |
556 | |
557 | ret = -EPERM; |
558 | if (!can_do_mlock()) |
559 | goto out; |
560 | |
561 | if (flags & MCL_CURRENT) |
562 | lru_add_drain_all(); /* flush pagevec */ |
563 | |
564 | down_write(¤t->mm->mmap_sem); |
565 | |
566 | lock_limit = rlimit(RLIMIT_MEMLOCK); |
567 | lock_limit >>= PAGE_SHIFT; |
568 | |
569 | ret = -ENOMEM; |
570 | if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) || |
571 | capable(CAP_IPC_LOCK)) |
572 | ret = do_mlockall(flags); |
573 | up_write(¤t->mm->mmap_sem); |
574 | if (!ret && (flags & MCL_CURRENT)) { |
575 | /* Ignore errors */ |
576 | do_mlock_pages(0, TASK_SIZE, 1); |
577 | } |
578 | out: |
579 | return ret; |
580 | } |
581 | |
582 | SYSCALL_DEFINE0(munlockall) |
583 | { |
584 | int ret; |
585 | |
586 | down_write(¤t->mm->mmap_sem); |
587 | ret = do_mlockall(0); |
588 | up_write(¤t->mm->mmap_sem); |
589 | return ret; |
590 | } |
591 | |
592 | /* |
593 | * Objects with different lifetime than processes (SHM_LOCK and SHM_HUGETLB |
594 | * shm segments) get accounted against the user_struct instead. |
595 | */ |
596 | static DEFINE_SPINLOCK(shmlock_user_lock); |
597 | |
598 | int user_shm_lock(size_t size, struct user_struct *user) |
599 | { |
600 | unsigned long lock_limit, locked; |
601 | int allowed = 0; |
602 | |
603 | locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; |
604 | lock_limit = rlimit(RLIMIT_MEMLOCK); |
605 | if (lock_limit == RLIM_INFINITY) |
606 | allowed = 1; |
607 | lock_limit >>= PAGE_SHIFT; |
608 | spin_lock(&shmlock_user_lock); |
609 | if (!allowed && |
610 | locked + user->locked_shm > lock_limit && !capable(CAP_IPC_LOCK)) |
611 | goto out; |
612 | get_uid(user); |
613 | user->locked_shm += locked; |
614 | allowed = 1; |
615 | out: |
616 | spin_unlock(&shmlock_user_lock); |
617 | return allowed; |
618 | } |
619 | |
620 | void user_shm_unlock(size_t size, struct user_struct *user) |
621 | { |
622 | spin_lock(&shmlock_user_lock); |
623 | user->locked_shm -= (size + PAGE_SIZE - 1) >> PAGE_SHIFT; |
624 | spin_unlock(&shmlock_user_lock); |
625 | free_uid(user); |
626 | } |
627 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9