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    SubjectRe: [PATCH]SELinux performance improvement by RCU (Re: RCU issue with SELinux)
    On Mon, Aug 30, 2004 at 11:35:19AM -0400, Stephen Smalley wrote:
    > On Mon, 2004-08-30 at 07:17, Kaigai Kohei wrote:
    > > I fixed the take-3 patch according to your and Paul's suggestions.
    > >
    > > The attached take-4 patches replace the avc_lock in security/selinux/avc.c
    > > by the lock-less read access with RCU.
    >
    > Thanks. Was there a reason you didn't move the rcu_read_lock call after
    > the avc_insert call per the suggestion of Paul McKenney, or was that
    > just an oversight? No need to send a new patch, just ack whether or not
    > you meant to switch the order there.

    One reason might be because I called it out in the text of my message,
    but failed to put it in my patch. :-/ Of course, if there is some reason
    why moving the rcu_read_lock() call is bad, I would like to know for
    my own education.

    Thanx, Paul
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