Andriy Gapon 64dd590ece 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
2010-10-09 08:07:49 +00:00
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2010-10-08 07:19:05 +00:00
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