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pm_suspend
2010 Nov 25
4
[PATCH]improve suspend_evtchn lock processing
...appens seldomly but do happen.
After checking the source code, I found there are some places that potentially cause lock file unlinked, including:
1) in lock_suspend_event() function, when write_exact fails, it doesn''t remove the lock file and later there is no chance to remove it.
2) in xc_suspend_evtchn_init() function, in "cleanup" block, I can''t see any reason for checking if(suspend_evtchn != -1), if suspend_evtchn=-1, it doesn''t remove the lock file and later there is no chance to remove it.
These places have been modified in the following patch, and, in ad...