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63dbc67cf4
To avoid possible time-of-check/time-of-use issues, the GHCB should almost never be accessed outside dump_ghcb, sev_es_sync_to_ghcb and sev_es_sync_from_ghcb. The only legitimate uses are to set the exitinfo fields and to find the address of the scratch area embedded in the ghcb. Accessing ghcb_usage also goes through svm->sev_es.ghcb in sev_es_validate_vmgexit(), but that is because anyway the value is not used. Removing a shortcut variable that contains the value of svm->sev_es.ghcb makes these cases a bit more verbose, but it limits the chance of someone reading the ghcb by mistake. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| certs | ||
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
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| security | ||
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| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| 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.