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c6c4adee65
The write_sigio thread is not really a traditional thread. Set the parent-death signal for it to ensure that it will be killed if the UML kernel dies unexpectedly without proper cleanup. Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com> Link: https://patch.msgid.link/20241024142828.2612828-4-tiwei.btw@antgroup.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>