rmap_remove() removes the sptep after locating the correct rmap_head but, in several cases, the caller has already known the correct rmap_head. This patch introduces a new pte_list_remove(); because it is known that the spte is present (or it would not have an rmap_head), it is safe to remove the tracking bits without any previous check. Signed-off-by: Wei Yang <richard.weiyang@gmail.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. 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.
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