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qemu / qemu / 1755da16e32c15b22a521e8a38539e4b5cf367f3
commit1755da16e32c15b22a521e8a38539e4b5cf367f3[log] [tgz]
authorPaolo Bonzini <pbonzini@redhat.com>Thu Oct 18 16:49:18 2012 +0200
committerKevin Wolf <kwolf@redhat.com>Wed Oct 24 10:26:19 2012 +0200
tree5990c65a246cb189f0f44b2a7452e409fa646f56
parent9156df12a4f3b3db63d1b292d081d814f02e311a [diff]
block: introduce new dirty bitmap functionality

Assert that write_compressed is never used with the dirty bitmap.
Setting the bits early is wrong, because a coroutine might concurrently
examine them and copy incomplete data from the source.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2 files changed
tree: 5990c65a246cb189f0f44b2a7452e409fa646f56
  1. audio/
  2. block/
  3. bsd-user/
  4. default-configs/
  5. docs/
  6. fpu/
  7. fsdev/
  8. gdb-xml/
  9. hw/
  10. include/
  11. libcacard/
  12. linux-headers/
  13. linux-user/
  14. net/
  15. pc-bios/
  16. qapi/
  17. qga/
  18. QMP/
  19. qom/
  20. roms/
  21. scripts/
  22. slirp/
  23. sysconfigs/
  24. target-alpha/
  25. target-arm/
  26. target-cris/
  27. target-i386/
  28. target-lm32/
  29. target-m68k/
  30. target-microblaze/
  31. target-mips/
  32. target-openrisc/
  33. target-ppc/
  34. target-s390x/
  35. target-sh4/
  36. target-sparc/
  37. target-unicore32/
  38. target-xtensa/
  39. tcg/
  40. tests/
  41. trace/
  42. ui/
  43. .exrc
  44. .gitignore
  45. .gitmodules
  46. .mailmap
  47. a.out.h
  48. acl.c
  49. acl.h
  50. aes.c
  51. aes.h
  52. aio.c
  53. alpha-dis.c
  54. alpha.ld
  55. arch_init.c
  56. arch_init.h
  57. arm-dis.c
  58. arm.ld
  59. async.c
  60. balloon.c
  61. balloon.h
  62. bitmap.c
  63. bitmap.h
  64. bitops.c
  65. bitops.h
  66. block-migration.c
  67. block-migration.h
  68. block.c
  69. block.h
  70. block_int.h
  71. blockdev.c
  72. blockdev.h
  73. blockjob.c
  74. blockjob.h
  75. bswap.h
  76. bt-host.c
  77. bt-host.h
  78. bt-vhci.c
  79. buffered_file.c
  80. buffered_file.h
  81. cache-utils.c
  82. cache-utils.h
  83. Changelog
  84. cmd.c
  85. cmd.h
  86. CODING_STYLE
  87. compatfd.c
  88. compatfd.h
  89. compiler.h
  90. config.h
  91. configure
  92. console.c
  93. console.h
  94. COPYING
  95. COPYING.LIB
  96. coroutine-gthread.c
  97. coroutine-sigaltstack.c
  98. coroutine-ucontext.c
  99. coroutine-win32.c
  100. cpu-all.h
  101. cpu-common.h
  102. cpu-defs.h
  103. cpu-exec.c
  104. cpus.c
  105. cpus.h
  106. cputlb.c
  107. cputlb.h
  108. cris-dis.c
  109. cursor.c
  110. cursor_hidden.xpm
  111. cursor_left_ptr.xpm
  112. cutils.c
  113. def-helper.h
  114. device_tree.c
  115. device_tree.h
  116. dis-asm.h
  117. disas.c
  118. disas.h
  119. dma-helpers.c
  120. dma.h
  121. dump-stub.c
  122. dump.c
  123. dump.h
  124. elf.h
  125. envlist.c
  126. envlist.h
  127. error.c
  128. error.h
  129. event_notifier.c
  130. event_notifier.h
  131. exec-all.h
  132. exec-memory.h
  133. exec.c
  134. gdbstub.c
  135. gdbstub.h
  136. gen-icount.h
  137. HACKING
  138. hmp-commands.hx
  139. hmp.c
  140. hmp.h
  141. host-utils.c
  142. host-utils.h
  143. hppa-dis.c
  144. hppa.ld
  145. hwaddr.h
  146. i386-dis.c
  147. i386.ld
  148. ia64-dis.c
  149. ia64.ld
  150. input.c
  151. int128.h
  152. iohandler.c
  153. ioport.c
  154. ioport.h
  155. iorange.h
  156. iov.c
  157. iov.h
  158. json-lexer.c
  159. json-lexer.h
  160. json-parser.c
  161. json-parser.h
  162. json-streamer.c
  163. json-streamer.h
  164. kvm-all.c
  165. kvm-stub.c
  166. kvm.h
  167. libfdt_env.h
  168. LICENSE
  169. linux-aio.c
  170. lm32-dis.c
  171. m68k-dis.c
  172. m68k.ld
  173. main-loop.c
  174. main-loop.h
  175. MAINTAINERS
  176. Makefile
  177. Makefile.dis
  178. Makefile.objs
  179. Makefile.target
  180. Makefile.user
  181. memory-internal.h
  182. memory.c
  183. memory.h
  184. memory_mapping-stub.c
  185. memory_mapping.c
  186. memory_mapping.h
  187. microblaze-dis.c
  188. migration-exec.c
  189. migration-fd.c
  190. migration-tcp.c
  191. migration-unix.c
  192. migration.c
  193. migration.h
  194. mips-dis.c
  195. mips.ld
  196. module.c
  197. module.h
  198. monitor.c
  199. monitor.h
  200. nbd.c
  201. nbd.h
  202. net.c
  203. net.h
  204. notify.c
  205. notify.h
  206. os-posix.c
  207. os-win32.c
  208. osdep.c
  209. osdep.h
  210. oslib-posix.c
  211. oslib-win32.c
  212. page_cache.c
  213. path.c
  214. pci-ids.txt
  215. pflib.c
  216. pflib.h
  217. poison.h
  218. posix-aio-compat.c
  219. ppc-dis.c
  220. ppc.ld
  221. ppc64.ld
  222. qapi-schema-guest.json
  223. qapi-schema-test.json
  224. qapi-schema.json
  225. qbool.c
  226. qbool.h
  227. qdict-test-data.txt
  228. qdict.c
  229. qdict.h
  230. qemu-aio.h
  231. qemu-barrier.h
  232. qemu-bridge-helper.c
  233. qemu-char.c
  234. qemu-char.h
  235. qemu-common.h
  236. qemu-config.c
  237. qemu-config.h
  238. qemu-coroutine-int.h
  239. qemu-coroutine-io.c
  240. qemu-coroutine-lock.c
  241. qemu-coroutine-sleep.c
  242. qemu-coroutine.c
  243. qemu-coroutine.h
  244. qemu-doc.texi
  245. qemu-error.c
  246. qemu-error.h
  247. qemu-file.h
  248. qemu-ga.c
  249. qemu-img-cmds.hx
  250. qemu-img.c
  251. qemu-img.texi
  252. qemu-io.c
  253. qemu-lock.h
  254. qemu-log.c
  255. qemu-log.h
  256. qemu-nbd.c
  257. qemu-nbd.texi
  258. qemu-objects.h
  259. qemu-option-internal.h
  260. qemu-option.c
  261. qemu-option.h
  262. qemu-options-wrapper.h
  263. qemu-options.h
  264. qemu-options.hx
  265. qemu-os-posix.h
  266. qemu-os-win32.h
  267. qemu-progress.c
  268. qemu-queue.h
  269. qemu-seccomp.c
  270. qemu-seccomp.h
  271. qemu-sockets.c
  272. qemu-tech.texi
  273. qemu-thread-posix.c
  274. qemu-thread-posix.h
  275. qemu-thread-win32.c
  276. qemu-thread-win32.h
  277. qemu-thread.h
  278. qemu-timer-common.c
  279. qemu-timer.c
  280. qemu-timer.h
  281. qemu-tls.h
  282. qemu-tool.c
  283. qemu-user.c
  284. qemu-x509.h
  285. qemu-xattr.h
  286. qemu.sasl
  287. qemu_socket.h
  288. qerror.c
  289. qerror.h
  290. qfloat.c
  291. qfloat.h
  292. qint.c
  293. qint.h
  294. qjson.c
  295. qjson.h
  296. qlist.c
  297. qlist.h
  298. qmp-commands.hx
  299. qmp.c
  300. qobject.h
  301. qstring.c
  302. qstring.h
  303. qtest.c
  304. qtest.h
  305. range.h
  306. readline.c
  307. readline.h
  308. README
  309. rules.mak
  310. s390-dis.c
  311. s390.ld
  312. savevm.c
  313. sh4-dis.c
  314. softmmu-semi.h
  315. softmmu_defs.h
  316. softmmu_exec.h
  317. softmmu_header.h
  318. softmmu_template.h
  319. sparc-dis.c
  320. sparc.ld
  321. sparc64.ld
  322. spice-qemu-char.c
  323. sysemu.h
  324. tcg-runtime.c
  325. tci-dis.c
  326. tci.c
  327. thunk.c
  328. thunk.h
  329. TODO
  330. trace-events
  331. translate-all.c
  332. uboot_image.h
  333. uri.c
  334. uri.h
  335. user-exec.c
  336. VERSION
  337. version.rc
  338. vgafont.h
  339. vl.c
  340. vmstate.h
  341. x86_64.ld
  342. xen-all.c
  343. xen-mapcache.c
  344. xen-mapcache.h
  345. xen-stub.c