K 10
svn:author
V 4
jake
K 8
svn:date
V 27
2002-03-23T04:20:00.000000Z
K 7
svn:log
V 412
Fix a deadlock condition with tlb shootdown ipi delivery.  Since ipis are
not blocked by raising the pil, a reciever may be interrupted while holding
a spinlock.  If the sender does not defer interrupts throughout the entire
operation it may be interrupted and try to acquire a spinlock held by a
reciever, leading to a deadlock due to the synchronization used by the
ipi handlers themselves.

Submitted by:	tmm

END