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18feaad3c6
Drop the smep_andnot_wp role check from the "uses NX" calculation now that all non-nested shadow MMUs treat NX as used via the !TDP check. The shadow MMU for nested NPT, which shares the helper, does not need to deal with SMEP (or WP) as NPT walks are always "user" accesses and WP is explicitly noted as being ignored: Table walks for guest page tables are always treated as user writes at the nested page table level. A table walk for the guest page itself is always treated as a user access at the nested page table level The host hCR0.WP bit is ignored under nested paging. Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20210622175739.3610207-17-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.