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According to the Intel SDM, "Certain exceptions have priority over VM exits. These include invalid-opcode exceptions, faults based on privilege level*, and general-protection exceptions that are based on checking I/O permission bits in the task-state segment (TSS)." There is no need to check for faulting conditions that the hardware has already checked. * These include faults generated by attempts to execute, in virtual-8086 mode, privileged instructions that are not recognized in that mode. Signed-off-by: Jim Mattson <jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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.