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docs: update self-protection __ro_after_init status 

__ro_after_init is no longer new and under development. Update the
document to reflect the correct status.

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20211208164051.8783-1-skhan@linuxfoundation.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Shuah Khan 2021-12-08 09:40:51 -07:00 committed by Jonathan Corbet
parent 4fd34f8e1f
commit b080e52110
1 changed files with 1 additions and 2 deletions
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Documentation/security/self-protection.rst
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@ -81,8 +81,7 @@ of the kernel, gaining the protection of the kernel's strict memory
permissions as described above.
For variables that are initialized once at ``__init`` time, these can
be marked with the (new and under development) ``__ro_after_init``
attribute.
be marked with the ``__ro_after_init`` attribute.
What remains are variables that are updated rarely (e.g. GDT). These
will need another infrastructure (similar to the temporary exceptions