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fdb2ecd35d
The winch "thread" is really a separate process. Using prctl to set PR_SET_PDEATHSIG ensures that this separate thread will be killed if the UML kernel itself dies unexpectedly and does not perform proper cleanup. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Link: https://patch.msgid.link/20240919124511.282088-5-benjamin@sipsolutions.net Signed-off-by: Johannes Berg <johannes.berg@intel.com>