RFR: 8345286: Remove use of SecurityManager API from misc areas [v9]

[Jaikiran Pai]

On Tue, 3 Dec 2024 06:12:13 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> Can I please get a review of this change which removes usages of SecurityManager related APIs and some leftover related to SecurityManager changes?
>> 
>> This addresses https://bugs.openjdk.org/browse/JDK-8345286. Most of these changes are trivial. The `src/java.base/linux/classes/jdk/internal/platform/CgroupUtil.java` used to expose utility methods for dealing with SecurityManager permissions and it was called from a few places. That class is no longer needed with the clean up done in this PR.
>> 
>> No new tests have been introduced and tier testing is currently in progress.
>
> Jaikiran Pai has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 15 commits:
> 
>  - merge latest from master branch
>  - remove permission text from InnocuousThread
>  - merge latest from master branch
>  - remove changes to src/java.base/unix/classes/sun/security/provider/NativePRNG.java
>  - remove unused import
>  - replace remaining Paths.get() with Path.of() in the updated files
>  - Update src/java.base/linux/classes/jdk/internal/platform/CgroupSubsystemController.java
>    
>    Co-authored-by: Severin Gehwolf <jerboaa at gmail.com>
>  - Update src/java.base/linux/classes/jdk/internal/platform/cgroupv2/CgroupV2Subsystem.java
>    
>    Co-authored-by: Severin Gehwolf <jerboaa at gmail.com>
>  - Path.of() instead of Paths.get() in CgroupV2Subsystem.java
>  - remove unnecessary space
>  - ... and 5 more: https://git.openjdk.org/jdk/compare/a3b58ee5...d53fe8ad

Thank you everyone for the help in reviewing this.

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PR Comment: https://git.openjdk.org/jdk/pull/22478#issuecomment-2516665394