K 10
svn:author
V 3
avg
K 8
svn:date
V 27
2010-10-09T08:07:49.510415Z
K 7
svn:log
V 281
panic_cpu variable should be volatile

This is to prevent caching of its value in a register when it is checked
and modified by multiple CPUs in parallel.
Also, move the variable  into the scope of the only function that uses it.

Reviewed by:	jhb
Hint from:	mdf
MFC after:	1 week

END