Messages in this thread | | | From | Keith Owens <> | Subject | Re: [RFC] Race condition? | Date | Sat, 03 Aug 2002 21:17:23 +1000 |
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On Sat, 03 Aug 2002 21:07:11 +1000, Keith Owens <kaos@ocs.com.au> wrote: >On Sat, 3 Aug 2002 12:08:28 +0200, >Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de> wrote: >>Anyway this code can corrupt the global variable nr_threads. >>Without the BKL it is buggy, so it has to be fixed anyway and we >>can do it right. > >nr_threads is protected by tasklist_lock. How on earth can fuzzy >counting on user->processes corrupt nr_threads?
Never mind. Checking and updating nr_threads is a seperate race from the one on user->processes. The nr_threads race is a problem that needs to be fixed.
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