Messages in this thread |  | | Subject | Re: Deadlock on the mm->mmap_sem | Date | Thu, 20 Sep 2001 09:01:13 +0100 | From | David Howells <> |
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Andrea Arcangeli <andrea@suse.de> wrote: > the process doesn't need to lock multiple mm_structs at the same time.
fork, ptrace, /proc/pid/mem, /proc/pid/maps
All have to be able to lock two process's mm_structs simultaneously, even if it's indirectly through copy_to_user() or copy_from_user().
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