Messages in this thread | | | Date | Wed, 13 Oct 1999 09:35:45 +0200 | From | Manfred Spraul <> | Subject | Re: [more fun] Re: locking question: do_mmap(), do_munmap() |
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Alexander Viro wrote: > Another one: ptrace_readdata() -> access_process_vm() -> find_extend_vma() > -> make_pages_present(). Again, no mmap_sem in sight.
Can 2 processes ptrace() each other? If yes, then this will lock-up if you acquire the mmap_sem.
-- Manfred
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