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Elie Kheirallah a10c83864e devices: kvm: Fix Xsave size in x86_64 
KVM_CHECK_EXTENSION will return 0 if XSAVE2 is not available.
fmayle@ had noticed that we are creating Xsave with size 0, which would
be an error.

Check if size == 0, and if so, set it to Xsave max size.

BUG=N/A
TEST=AOSP TH

Change-Id: I10c7344aae1005bab2981fbeaf2c7906b871594c
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/5085548
Auto-Submit: Elie Kheirallah <khei@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
Reviewed-by: Noah Gold <nkgold@google.com>
2023-12-04 23:25:20 +00:00
..
src devices: kvm: Fix Xsave size in x86_64 2023-12-04 23:25:20 +00:00
tests
Cargo.toml
README.md

README.md

Hypervisor Support

Multiple hypervisor backends are supported. See Advanced Usage for overriding the default backend.

Hypervisors added to crosvm must meet the following requirements:

  • Hypervisor code must be buildable in crosvm upstream.
    • Within reason, crosvm maintainers will ensure the hypervisor's code continues to build.
  • Hypervisors are not required to be tested upstream.
    • We can't require testing upstream because some hypervisors require specialized hardware.
    • When not tested upstream, the hypervisor's maintainers are expected to test it downstream. If a change to crosvm breaks something downstream, then the hypervisor's maintainers are expected to supply the fix and can't expect a revert of the culprit change to be accepted upstream.

KVM

  • Platforms: Linux
  • Tested upstream: yes

KVM is crosvm's preferred hypervisor for Linux.

WHPX

HAXM

Android Specific

The hypervisors in this section are used as backends of the Android Virtualization Framework.

Geniezone

Gunyah