Re: RCU issue with SELinux (Re: SELINUX performance issues)

[Stephen Smalley]

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 <sds@xxxxxxxxxxxxxx>
National Security Agency

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