[jdk8u-dev] RFR: 8253435: Cgroup: 'stomping of _mount_path' crash if manually mounted cpusets exist [v2]

[Severin Gehwolf]

On Tue, 8 Nov 2022 11:25:35 GMT, Jonathan Dowland <jdowland at openjdk.org> wrote:

>> This is a clean backport of 8253435 to jdk8u-dev for cgroups v2 support.
>
> Jonathan Dowland has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Replace log_warning with tty->print_cr

hotspot/test/runtime/containers/cgroup/CgroupSubsystemFactory.java line 168:

> 166: 
> 167:             cgroupv1MntInfoDoubleCpuset = Paths.get(existingDirectory.toString(), "mnt_info_cgroupv1_double_cpuset");
> 168:             Files.writeString(cgroupv1MntInfoDoubleCpuset, mntInfoCgroupv1DoubleCpuset);

Without actually testing the patch. This looks like API not available in 8u. `s/Files.writeString/Files.write/`. Once the depending PR gets updated this would likely need some fix-up as well. I'll looking at recent changes from #135.

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PR: https://git.openjdk.org/jdk8u-dev/pull/158