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db31c8f5af
SYSCALL raises #UD in compatibility mode on Intel CPUs, so it's pointless to load the guest's IA32_CSTAR value into the hardware MSR. IA32_CSTAR still provides 48 bits of storage on Intel CPUs that have CPUID.80000001:EDX.LM[bit 29] set, so we cannot remove it from the vmx_msr_index[] array. Signed-off-by: Jim Mattson <jmattson@google.com> Reviewed-by: Peter Shier <pshier@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.