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| Filename | Latest commit message | Latest commit date |
|---|---|---|
ac8d57e573
Adds the plumbing to disable A/D bits in the MMU based on a new role bit, ad_disabled. When A/D is disabled, the MMU operates as though A/D aren't available (i.e., using access tracking faults instead). To avoid SP -> kvm_mmu_page.role.ad_disabled lookups all over the place, A/D disablement is now stored in the SPTE. This state is stored in the SPTE by tweaking the use of SPTE_SPECIAL_MASK for access tracking. Rather than just setting SPTE_SPECIAL_MASK when an access-tracking SPTE is non-present, we now always set SPTE_SPECIAL_MASK for access-tracking SPTEs. Signed-off-by: Peter Feiner <pfeiner@google.com> [Use role.ad_disabled even for direct (non-shadow) EPT page tables. Add documentation and a few MMU_WARN_ONs. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.