Maximum length of string values in qvm-prefs?

[qubist]

Hi,

What is the maximum length of string values in qvm-prefs? E.g.:

qvm-prefs VM kernelopts 'swiotlb=2048 module_blacklist=module1,module2,...'

I am trying to figure how many VM-specific modules I can blacklist this way.

[unman]

512 chars. You could have found this by experiment, as the error message
will tell you.

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When I comment in the mailing lists I speak for myself.

[qubist]

Thank you, unman!