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SubjectRe: BKL use in ptrace
Date
> 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 In any case it looks outdated.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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