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Extends the shadow paging code, so that 5 level shadow page table can be constructed if VM is running in 5 level paging mode. Also extends the ept code, so that 5 level ept table can be constructed if maxphysaddr of VM exceeds 48 bits. Unlike the shadow logic, KVM should still use 4 level ept table for a VM whose physical address width is less than 48 bits, even when the VM is running in 5 level paging mode. Signed-off-by: Yu Zhang <yu.c.zhang@linux.intel.com> [Unconditionally reset the MMU context in kvm_cpuid_update. Changing MAXPHYADDR invalidates the reserved bit bitmasks. - Paolo] 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.