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7b7e1ab6fd
Consolidate the logic to atomically replace an SPTE with an SPTE that points to a new page table into a single helper function. This will be used in a follow-up commit to split huge pages, which involves replacing each huge page SPTE with an SPTE that points to a page table. Opportunistically drop the call to trace_kvm_mmu_get_page() in kvm_tdp_mmu_map() since it is redundant with the identical tracepoint in tdp_mmu_alloc_sp(). No functional change intended. Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: David Matlack <dmatlack@google.com> Message-Id: <20220119230739.2234394-8-dmatlack@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.