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chromium / crosvm / crosvm / 223c1fb7c7df72ad318d4916dea829db797ef9f2
commit223c1fb7c7df72ad318d4916dea829db797ef9f2[log] [tgz]
authorDaniel Verkamp <dverkamp@chromium.org>Tue Mar 28 23:27:37 2023
committercrosvm LUCI <crosvm-scoped@luci-project-accounts.iam.gserviceaccount.com>Fri May 12 19:41:17 2023
tree8366cef14c24f0733ceb00f08c386a463c5e1db8
parent7781380f01e32b67021a55a06cccfd915b00bbaa [diff]
unix: require hypervisor ImmediateExit capability

Remove the fallback path that supported old KVM versions without
KVM_CAP_IMMEDIATE_EXIT, which has been available since Linux 4.11 /
commit 460df4c1fc7c ("KVM: race-free exit from KVM_RUN without POSIX
signals").

This also removes the need for the Vcpu::set_signal_mask() function, so
it is removed from all hypervisors.

BUG=b:281723434
TEST=boot crosvm on device with 4.14 host kernel

Change-Id: I5329d9b5a6aef6ddac4797aa7ef291df333d27f4
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4382339
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
10 files changed
tree: 8366cef14c24f0733ceb00f08c386a463c5e1db8
  1. .cargo/
  2. .config/
  3. .devcontainer/
  4. .github/
  5. .vscode/
  6. aarch64/
  7. acpi_tables/
  8. anti_tamper/
  9. arch/
  10. argh_helpers/
  11. audio_util/
  12. base/
  13. bit_field/
  14. broker_ipc/
  15. common/
  16. crash_report/
  17. cros_async/
  18. cros_fdt/
  19. cros_tracing/
  20. cros_tracing_types/
  21. crosvm-fuzz/
  22. crosvm_cli/
  23. crosvm_control/
  24. crosvm_plugin/
  25. devices/
  26. disk/
  27. docs/
  28. e2e_tests/
  29. fuse/
  30. gpu_display/
  31. hypervisor/
  32. infra/
  33. io_uring/
  34. jail/
  35. kernel_cmdline/
  36. kernel_loader/
  37. kvm/
  38. kvm_sys/
  39. libcras_stub/
  40. linux_input_sys/
  41. logo/
  42. media/
  43. metrics/
  44. net_sys/
  45. net_util/
  46. perfetto/
  47. power_monitor/
  48. prebuilts/
  49. proto_build_tools/
  50. protos/
  51. qcow_utils/
  52. resources/
  53. riscv64/
  54. rutabaga_gfx/
  55. sandbox/
  56. serde_keyvalue/
  57. src/
  58. swap/
  59. system_api/
  60. tests/
  61. third_party/
  62. tools/
  63. tpm2/
  64. tpm2-sys/
  65. tube_transporter/
  66. usb_sys/
  67. usb_util/
  68. vfio_sys/
  69. vhost/
  70. virtio_sys/
  71. vm_control/
  72. vm_memory/
  73. win_audio/
  74. win_util/
  75. x86_64/
  76. .dockerignore
  77. .envrc
  78. .gitignore
  79. .gitmodules
  80. .rustfmt.toml
  81. ARCHITECTURE.md
  82. Cargo.lock
  83. Cargo.toml
  84. CONTRIBUTING.md
  85. DIR_METADATA
  86. LICENSE
  87. mypy.ini
  88. OWNERS
  89. OWNERS_COUNCIL
  90. PRESUBMIT.cfg
  91. pyproject.toml
  92. README.chromeos.md
  93. README.md
  94. rust-toolchain
README.md

crosvm - The ChromeOS Virtual Machine Monitor

crosvm is a virtual machine monitor (VMM) based on Linux’s KVM hypervisor, with a focus on simplicity, security, and speed. crosvm is intended to run Linux guests, originally as a security boundary for running native applications on the ChromeOS platform. Compared to QEMU, crosvm doesn’t emulate architectures or real hardware, instead concentrating on paravirtualized devices, such as the virtio standard.

crosvm is currently used to run Linux/Android guests on ChromeOS devices.

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