Make sure to zero out memory before calling madvise to increase robustness

Avi pointed out that it's not entirely safe to rely on madvise zeroing out
memory.  So let's do it explicitly before calling madvise.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
1 file changed
tree: 663d324d4a3635558ac8efd2c113d70330cfcc81
  1. audio/
  2. block/
  3. bsd-user/
  4. darwin-user/
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  6. gdb-xml/
  7. hw/
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  9. pc-bios/
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  11. target-alpha/
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  16. target-microblaze/
  17. target-mips/
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  19. target-sh4/
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  21. tcg/
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  23. .gitignore
  24. a.out.h
  25. acl.c
  26. acl.h
  27. aes.c
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  29. aio.c
  30. alpha-dis.c
  31. alpha.ld
  32. arm-dis.c
  33. arm-semi.c
  34. arm.ld
  35. balloon.h
  36. block.c
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  38. block_int.h
  39. bswap.h
  40. bt-host.c
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  42. bt-vhci.c
  43. buffered_file.c
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  47. Changelog
  48. cmd.c
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  50. cocoa.m
  51. CODING_STYLE
  52. configure
  53. console.c
  54. console.h
  55. COPYING
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  57. cpu-all.h
  58. cpu-common.h
  59. cpu-defs.h
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  62. curses.c
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  64. cutils.c
  65. d3des.c
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  81. gdbstub.c
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  88. hppa-dis.c
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  96. kqemu.c
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  98. kvm-all.c
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  101. LICENSE
  102. loader.c
  103. m68k-dis.c
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  106. MAINTAINERS
  107. Makefile
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  109. Makefile.target
  110. microblaze-dis.c
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  112. migration-tcp.c
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  116. mips.ld
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  129. pci-ids.txt
  130. posix-aio-compat.c
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  132. ppc-dis.c
  133. ppc.ld
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  135. qemu-aio.h
  136. qemu-binfmt-conf.sh
  137. qemu-char.c
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  139. qemu-common.h
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  142. qemu-img.c
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  154. qemu-sockets.c
  155. qemu-tech.texi
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  158. qemu-timer.h
  159. qemu-tool.c
  160. qemu.sasl
  161. qemu_socket.h
  162. readline.c
  163. readline.h
  164. README
  165. rules.mak
  166. s390-dis.c
  167. s390.ld
  168. savevm.c
  169. sdl.c
  170. sdl_keysym.h
  171. sh4-dis.c
  172. softmmu-semi.h
  173. softmmu_defs.h
  174. softmmu_exec.h
  175. softmmu_header.h
  176. softmmu_template.h
  177. sparc-dis.c
  178. sparc.ld
  179. sparc64.ld
  180. sys-queue.h
  181. sysemu.h
  182. tap-win32.c
  183. targphys.h
  184. texi2pod.pl
  185. thunk.c
  186. thunk.h
  187. TODO
  188. tool-osdep.c
  189. translate-all.c
  190. uboot_image.h
  191. usb-bsd.c
  192. usb-linux.c
  193. usb-stub.c
  194. VERSION
  195. vgafont.h
  196. vl.c
  197. vnc-auth-sasl.c
  198. vnc-auth-sasl.h
  199. vnc-auth-vencrypt.c
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  207. x86_64.ld
  208. x_keymap.c
  209. x_keymap.h