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Call trace_kvm_nested_vmenter() during nested VMLAUNCH/VMRESUME to bring parity with nSVM's usage of the tracepoint during nested VMRUN. Attempt to use analagous VMCS fields to the VMCB fields that are reported in the SVM case: "int_ctl": 32-bit field of the VMCB that the CPU uses to deliver virtual interrupts. The analagous VMCS field is the 16-bit "guest interrupt status". "event_inj": 32-bit field of VMCB that is used to inject events (exceptions and interrupts) into the guest. The analagous VMCS field is the "VM-entry interruption-information field". "npt_enabled": 1 when the VCPU has enabled nested paging. The analagous VMCS field is the enable-EPT execution control. "npt_addr": 64-bit field when the VCPU has enabled nested paging. The analagous VMCS field is the ept_pointer. Signed-off-by: David Matlack <dmatlack@google.com> [move the code into the nested_vmx_enter_non_root_mode().] Signed-off-by: Mingwei Zhang <mizhang@google.com> Link: https://lore.kernel.org/r/20220825225755.907001-3-mizhang@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.