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Daniel Verkamp 3a56ce02f2 devices: virtio-gpu: gracefully handle activation errors 
Previously, the GPU device's activate() function would panic if sending
the GpuActivationResources to the worker thread failed; this has been
observed in some crash reports, possibly due to activate() running
concurrently with a VM shutdown where the worker thread is already torn
down.

Instead of using expect() to panic if this send() fails, try to handle
the failure by putting the GpuActivationReosurces back into the device's
worker_snapshot field and bubbling up an Err result.

BUG=None
TEST=tools/dev_container tools/presubmit

Change-Id: Ie52e2ecee353e13ff1105c418722a1a8facf997b
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/5634184
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
Reviewed-by: Frederick Mayle <fmayle@google.com>
2024-06-14 22:01:36 +00:00
.cargo Upgrade rust to 1.73.0 2024-02-20 19:11:51 +00:00
.config dev_container: Pass through NEXTEST_PROFILE 2023-12-14 19:01:30 +00:00
.devcontainer dev_container: Replace better toml extension 2023-07-27 23:37:15 +00:00
.github Cleanup: Remove old, deprecated and no longer used files 2022-09-20 21:05:57 +00:00
.vscode Document feature flags and introduce new feature sets 2022-10-14 20:31:19 +00:00
aarch64 devices: vmwdt: Support PPI injection in detected vcpu stall 2024-06-12 09:40:09 +00:00
acpi_tables Cargo.toml: move tempfile to dev-dependencies 2024-05-07 20:00:48 +00:00
android_audio Implement virtio-snd aaudio stream to support audio in android 2024-05-31 05:32:38 +00:00
arch Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
argh_helpers Update to syn-2 2023-12-02 00:23:50 +00:00
audio_streams_conformance_test audio_streams_conformance_test: remove unused minijail dep 2024-05-22 21:24:02 +00:00
audio_util clippy: enforce safety block comments 2023-12-14 18:21:54 +00:00
base Windows clippy fixes for Rust 1.77 2024-06-13 01:07:13 +00:00
base_tokio Avoid clippy::blocks_in_conditions warnings 2024-06-11 00:18:47 +00:00
bit_field Reformat comments 2024-02-15 23:30:13 +00:00
broker_ipc metrics: Switch metrics from Tube to SendTube 2024-04-09 01:38:03 +00:00
common tree-wide: replace data_model::zerocopy_from_*() 2024-03-13 18:03:24 +00:00
cros_async cros_async: fix Windows test failures. 2024-06-13 21:49:24 +00:00
cros_fdt Fix clippy::assigning_clones lints 2024-06-10 19:33:36 +00:00
cros_tracing Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
cros_tracing_types Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
crosvm_cli devices: vfio: make global container state explicit 2024-06-06 23:31:16 +00:00
crosvm_control crosvm_control: remove all conditional compilation 2024-06-11 22:28:40 +00:00
crosvm_plugin Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
devices devices: virtio-gpu: gracefully handle activation errors 2024-06-14 22:01:36 +00:00
disk Fix clippy::suspicious_open_options warnings 2024-06-10 19:39:47 +00:00
docs/book cmdline: add root option for --pmem 2024-05-17 19:15:09 +00:00
e2e_tests e2e_tests: pmem: Add LIBNVDIMM config 2024-06-13 19:39:06 +00:00
ext2 ext2: Set up root dir and lost+found 2024-06-10 02:26:46 +00:00
fuse Avoid clippy::blocks_in_conditions warnings 2024-06-11 00:18:47 +00:00
fuzz Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
gpu_display Windows clippy fixes for Rust 1.77 2024-06-13 01:07:13 +00:00
hypervisor hypervisor: Add an assertion for the state of FSBASE and GSBASE. 2024-06-13 16:30:38 +00:00
infra Roll recipe dependencies (trivial). 2024-06-14 07:05:26 +00:00
io_uring Fix clippy::suspicious_open_options warnings 2024-06-10 19:39:47 +00:00
jail Implement virtio-snd aaudio stream to support audio in android 2024-05-31 05:32:38 +00:00
kernel_cmdline Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
kernel_loader kernel_loader: simplify match of empty buf 2024-06-10 20:44:44 +00:00
kvm Fix clippy::thread_local_initializer_can_be_made_const 2024-06-10 20:07:13 +00:00
kvm_sys Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
libcras_stub Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
linux_input_sys Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
logo
media Rebuild testvm and devcontainer 2024-06-11 22:24:48 +00:00
metrics metrics: fix dead_code warning in test 2024-06-10 20:01:23 +00:00
metrics_events metric_events & src: add metric for VcpuShutdown. 2024-05-31 18:25:50 +00:00
net_sys Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
net_util Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
perfetto Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
power_monitor power_monitor: Filter out some power signals 2024-03-22 02:23:57 +00:00
prebuilts Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
proto_build_tools Cargo.toml: upgrade protobuf 2.x -> 3.x 2023-04-28 19:32:01 +00:00
protos clippy: enforce safety block comments 2023-12-14 18:21:54 +00:00
resources Fix clippy::unnecessary_get_then_check warnings 2024-06-10 20:01:30 +00:00
riscv64 aarch64, riscv64: fix max kernel command line length 2024-06-10 17:43:02 +00:00
rutabaga_gfx rutabaga_gfx: fix MinigbmBuffer dead_code warning 2024-06-14 21:11:53 +00:00
sandbox Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
serde_keyvalue Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
src vcpu: boost vcpu threads 2024-06-13 18:10:06 +00:00
swap swap: replace let-else with question mark operator 2024-06-10 19:30:30 +00:00
system_api devices: virtio-fs: enable dbus crate stdfd feature 2024-03-08 22:14:51 +00:00
tests Reformat comments 2024-02-15 23:30:13 +00:00
third_party vmm_vhost: fix clippy::option_map_or_err_ok 2024-06-10 19:50:12 +00:00
tools Rebuild testvm and devcontainer 2024-06-11 22:24:48 +00:00
tube_transporter Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
usb_sys clippy: enforce safety block comments 2023-12-14 18:21:54 +00:00
usb_util usb_util: fix clippy::unnecessary_get_then_check 2024-06-06 00:54:51 +00:00
vendor vendor/generic/metrics: document API methods. 2024-06-04 21:46:46 +00:00
vfio_sys bindgen: update to Linux 6.6 headers 2024-01-09 00:37:43 +00:00
vhost Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
virtio_sys devices: virtio: Support virtio suspend 2024-05-02 01:20:09 +00:00
vm_control crosvm_control: remove all conditional compilation 2024-06-11 22:28:40 +00:00
vm_memory vm_memory: remove unused .enumerate() 2024-06-10 20:03:35 +00:00
win_audio Windows clippy fixes for Rust 1.77 2024-06-13 01:07:13 +00:00
win_util Cargo.toml: avoid "*" versions for external crates 2024-05-22 01:01:42 +00:00
x86_64 x86_64: tests: remove loop that never loops 2024-06-10 23:06:38 +00:00
.dockerignore
.envrc Automatically register tools/ on PATH 2023-03-03 00:33:15 +00:00
.gitattributes config: force lf as line endings 2023-11-07 17:38:58 +00:00
.gitignore Automatically register tools/ on PATH 2023-03-03 00:33:15 +00:00
.gitmodules devices: remove --software-tpm support 2023-10-02 23:28:45 +00:00
.rustfmt.toml rustfmt: wrap comments 2024-02-15 23:30:13 +00:00
ARCHITECTURE.md docs: book: update architecture docs 2023-06-01 22:37:17 +00:00
Cargo.lock Cargo.lock: update downcast-rs v1.2.0 -> v1.2.1 2024-06-07 21:08:26 +00:00
Cargo.toml base_tokio: tokio compatible Event and Tube types 2024-06-06 23:30:20 +00:00
CONTRIBUTING.md docs: update ChromeOS developer guide links 2024-03-21 17:41:27 +00:00
DIR_METADATA DIR_METADATA: Add public buganizer component 2022-09-21 17:43:59 +00:00
LICENSE Update all copyright headers to match new style 2022-09-13 18:41:29 +00:00
mypy.ini Add python configs for consistency between IDE and CI 2022-08-16 18:33:23 +00:00
OWNERS crosvm: add idanr@ to OWNERS 2024-05-31 00:11:01 +00:00
OWNERS_COUNCIL OWNERS_COUNCIL: Update council reviewers 2024-05-29 18:36:55 +00:00
PRESUBMIT.cfg Cleanup: Remove old, deprecated and no longer used files 2022-09-20 21:05:57 +00:00
pyproject.toml Add python configs for consistency between IDE and CI 2022-08-16 18:33:23 +00:00
README.chromeos.md crosvm: update book and doc links to crosvm.dev 2022-07-29 22:54:01 +00:00
README.md Fix remaining Chrome/Chromium OS instances 2023-01-03 22:14:30 +00:00
rust-toolchain Upgrade rust to 1.73.0 2024-02-20 19:11:51 +00:00

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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