Messages in this thread | | | From | Roland McGrath <> | Subject | Re: BKL use in ptrace | Date | Mon, 21 Dec 2009 17:13:29 -0800 (PST) |
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> I never understood this lock_kernel(). > > In any case it looks outdated. We were going to kill it "soon", > along with other ptrace changes.
I never understood it either. It's very ancient and long predates many, many ptrace cleanups. If the comment was ever accurate, then any issue like that is now covered by cred_guard_mutex. I don't know of any reason for (or really, effect of) using BKL in ptrace.
Thanks, Roland
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