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f082d86ea6
When handling the changed_pte notifier and the new PTE is read-only, clear both the Host-writable and MMU-writable bits in the SPTE. This preserves the invariant that MMU-writable is set if-and-only-if Host-writable is set. No functional change intended. Nothing currently relies on the aforementioned invariant and technically the changed_pte notifier is dead code. Signed-off-by: David Matlack <dmatlack@google.com> Message-Id: <20220113233020.3986005-3-dmatlack@google.com> Reviewed-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.