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qemu / qemu / 4840f10eff37eebc609fcc933ab985dc66df95c6
commit4840f10eff37eebc609fcc933ab985dc66df95c6[log] [tgz]
authorJan Kiszka <jan.kiszka@siemens.com>Thu Jun 18 18:47:22 2015 +0200
committerPaolo Bonzini <pbonzini@redhat.com>Wed Jul 01 15:45:51 2015 +0200
tree6eb60eba00905c10779a30e12f19ea48b08b9da4
parent125b3806668106667dd2ae049593852859e12b63 [diff]
memory: let address_space_rw/ld*/st* run outside the BQL

The MMIO case is further broken up in two cases: if the caller does not
hold the BQL on invocation, the unlocked one takes or avoids BQL depending
on the locking strategy of the target memory region and its coalesced
MMIO handling.  In this case, the caller should not hold _any_ lock
(a friendly suggestion which is disregarded by virtio-scsi-dataplane).

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Frederic Konrad <fred.konrad@greensocs.com>
Message-Id: <1434646046-27150-6-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed
tree: 6eb60eba00905c10779a30e12f19ea48b08b9da4
  1. audio/
  2. backends/
  3. block/
  4. bsd-user/
  5. default-configs/
  6. disas/
  7. docs/
  8. fpu/
  9. fsdev/
  10. gdb-xml/
  11. hw/
  12. include/
  13. libcacard/
  14. libdecnumber/
  15. linux-headers/
  16. linux-user/
  17. migration/
  18. net/
  19. pc-bios/
  20. po/
  21. qapi/
  22. qga/
  23. qobject/
  24. qom/
  25. roms/
  26. scripts/
  27. slirp/
  28. stubs/
  29. target-alpha/
  30. target-arm/
  31. target-cris/
  32. target-i386/
  33. target-lm32/
  34. target-m68k/
  35. target-microblaze/
  36. target-mips/
  37. target-moxie/
  38. target-openrisc/
  39. target-ppc/
  40. target-s390x/
  41. target-sh4/
  42. target-sparc/
  43. target-tricore/
  44. target-unicore32/
  45. target-xtensa/
  46. tcg/
  47. tests/
  48. trace/
  49. ui/
  50. util/
  51. dtc
  52. pixman
  53. .exrc
  54. .gitignore
  55. .gitmodules
  56. .mailmap
  57. .travis.yml
  58. accel.c
  59. aio-posix.c
  60. aio-win32.c
  61. arch_init.c
  62. async.c
  63. balloon.c
  64. block.c
  65. blockdev-nbd.c
  66. blockdev.c
  67. blockjob.c
  68. bootdevice.c
  69. bt-host.c
  70. bt-vhci.c
  71. Changelog
  72. CODING_STYLE
  73. configure
  74. COPYING
  75. COPYING.LIB
  76. coroutine-gthread.c
  77. coroutine-sigaltstack.c
  78. coroutine-ucontext.c
  79. coroutine-win32.c
  80. cpu-exec.c
  81. cpus.c
  82. cputlb.c
  83. device-hotplug.c
  84. device_tree.c
  85. disas.c
  86. dma-helpers.c
  87. dump.c
  88. exec.c
  89. gdbstub.c
  90. HACKING
  91. hmp-commands.hx
  92. hmp.c
  93. hmp.h
  94. iohandler.c
  95. ioport.c
  96. iothread.c
  97. kvm-all.c
  98. kvm-stub.c
  99. LICENSE
  100. main-loop.c
  101. MAINTAINERS
  102. Makefile
  103. Makefile.objs
  104. Makefile.target
  105. memory.c
  106. memory_mapping.c
  107. module-common.c
  108. monitor.c
  109. nbd.c
  110. numa.c
  111. os-posix.c
  112. os-win32.c
  113. page_cache.c
  114. qapi-schema.json
  115. qdev-monitor.c
  116. qdict-test-data.txt
  117. qemu-bridge-helper.c
  118. qemu-char.c
  119. qemu-coroutine-io.c
  120. qemu-coroutine-lock.c
  121. qemu-coroutine-sleep.c
  122. qemu-coroutine.c
  123. qemu-doc.texi
  124. qemu-img-cmds.hx
  125. qemu-img.c
  126. qemu-img.texi
  127. qemu-io-cmds.c
  128. qemu-io.c
  129. qemu-log.c
  130. qemu-nbd.c
  131. qemu-nbd.texi
  132. qemu-options-wrapper.h
  133. qemu-options.h
  134. qemu-options.hx
  135. qemu-seccomp.c
  136. qemu-tech.texi
  137. qemu-timer.c
  138. qemu.nsi
  139. qemu.sasl
  140. qjson.c
  141. qmp-commands.hx
  142. qmp.c
  143. qtest.c
  144. README
  145. rules.mak
  146. softmmu_template.h
  147. spice-qemu-char.c
  148. tcg-runtime.c
  149. tci.c
  150. thread-pool.c
  151. thunk.c
  152. tpm.c
  153. trace-events
  154. translate-all.c
  155. translate-all.h
  156. user-exec.c
  157. VERSION
  158. version.rc
  159. vl.c
  160. xen-common-stub.c
  161. xen-common.c
  162. xen-hvm-stub.c
  163. xen-hvm.c
  164. xen-mapcache.c