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8bbed95d2c
WARN if NX is reported as supported but not enabled in EFER. All flavors of the kernel, including non-PAE 32-bit kernels, set EFER.NX=1 if NX is supported, even if NX usage is disable via kernel command line. KVM relies on NX being enabled if it's supported, e.g. KVM will generate illegal NPT entries if nx_huge_pages is enabled and NX is supported but not enabled. Signed-off-by: Sean Christopherson <seanjc@google.com> Reviewed-by: Jim Mattson <jmattson@google.com> Message-Id: <20210615164535.2146172-4-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.