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In preparation for restoring xen_set_pte_init()'s original behavior of avoiding hypercalls, make set_pte_mfn() no longer use the standard set_pte() code path. That one is more complicated than the alternative of simply using an available hypercall directly. This way we can avoid introducing a fair number (2k on my test system) of cases where the hypervisor would trap-and-emulate page table updates. Signed-off-by: Jan Beulich <jbeulich@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: https://lore.kernel.org/r/b39c08e8-4a53-8bca-e6e7-3684a6cab8d0@suse.com Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.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.