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    SubjectRe: [PATCH v2] ns: do not block exit_task_namespaces() for a long time
    On Mon, Jul 16, 2012 at 06:09:24PM +0300, Kirill A. Shutemov wrote:
    > I also move synchronize_rcu() inside free_nsproxy(). It fixes racy
    > put_nsproxy() which calls free_nsproxy() without synchronize_rcu().
    > I guess it was missed during switch to RCU (see cf7b708).

    I was wrong here. No races. RCU protects task->ns_proxy, not ns_proxy
    itself.
    Sorry for misleading.

    --
    Kirill A. Shutemov
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