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Fail a nested VMEntry with EXIT_REASON_INVALID_STATE if L2 guest state is invalid, i.e. vmcs12 contained invalid guest state, and unrestricted guest is disabled in L0 (and by extension disabled in L1). WARN_ON_ONCE in handle_invalid_guest_state() if we're attempting to emulate L2, i.e. nested_run_pending is true, to aid debug in the (hopefully unlikely) scenario that we somehow skip the nested VMEntry consistency check, e.g. due to a L0 bug. Note: KVM relies on hardware to detect the scenario where unrestricted guest is enabled in L0 but disabled in L1 and vmcs12 contains invalid guest state, i.e. checking emulation_required in prepare_vmcs02 is required only to handle the case were unrestricted guest is disabled in L0 since L0 never actually attempts VMLAUNCH/VMRESUME with vmcs02. Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| firmware | ||
| fs | ||
| include | ||
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| kernel | ||
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| net | ||
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| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
| .mailmap | ||
| COPYING | ||
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| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.