There are real reasons to question systemd [LWN.net]

There are real reasons to question systemd

Posted Jan 29, 2013 12:16 UTC (Tue) by HelloWorld (guest, #56129)
In reply to: There are real reasons to question systemd by mezcalero
Parent article: Poettering: The Biggest Myths

Would you mind telling us what those alleged kernel ABI breakages were?

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There are real reasons to question systemd

Posted Jan 29, 2013 13:30 UTC (Tue) by lsl (subscriber, #86508) [Link]

Presumably files exported in sysfs. The very nature of sysfs makes keeping it stable an awkward task. As the first few lines in Documentation/sysfs-rules.txt say:

> The kernel-exported sysfs exports internal kernel implementation details
> and depends on internal kernel structures and layout. It is agreed upon
> by the kernel developers that the Linux kernel does not provide a stable
> internal API. Therefore, there are aspects of the sysfs interface that
> may not be stable across kernel releases.