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    SubjectRe: RCU issue with SELinux (Re: SELINUX performance issues)
    On Tue, 2004-08-24 at 03:25, Kaigai Kohei wrote:
    > You are right. Indeed, the lock for hash bucket is also necessary
    > when avc_insert() is called. I fixed them.

    avc_has_perm* can be called from interrupt or bh, e.g. send_sigio or
    sock_rcv_skb. So using just spin_lock/spin_unlock rather than
    spin_lock_irqsave/restore is unsafe, right?

    Stephen Smalley <>
    National Security Agency

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