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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>
This commit is contained in:
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. permissions as described above.
For variables that are initialized once at ``__init`` time, these can For variables that are initialized once at ``__init`` time, these can
be marked with the (new and under development) ``__ro_after_init`` be marked with the ``__ro_after_init`` attribute.
attribute.
What remains are variables that are updated rarely (e.g. GDT). These What remains are variables that are updated rarely (e.g. GDT). These
will need another infrastructure (similar to the temporary exceptions will need another infrastructure (similar to the temporary exceptions