[PARISC] Fix our interrupts not to use smp_call_function

Fix our interrupts not to use smp_call_function

On K and D class smp, the generic code calls this under an irq
spinlock, which causes the WARN_ON() message in smp_call_function()
(and is also illegal because it could deadlock).

The fix is to use a new scheme based on the IPI_NOP.

Signed-off-by: James Bottomley <jejb@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/include/asm-parisc/smp.h b/include/asm-parisc/smp.h
index 9413f67..a519195 100644
--- a/include/asm-parisc/smp.h
+++ b/include/asm-parisc/smp.h
@@ -29,6 +29,7 @@
 #define cpu_logical_map(cpu)	(cpu)
 
 extern void smp_send_reschedule(int cpu);
+extern void smp_send_all_nop(void);
 
 #endif /* !ASSEMBLY */