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SubjectSMP environment driver building issue ...
Date
I have loaded RH6.0 to Dell PowerEdge2300 with 2 CPUs.  My driver is
compiled under UP system. When running 'insmod hpfc', Linux complains that
the driver module is not for SMP system.

So I recompiled driver in this SMP system with CFLAG including "__SMP__".
The driver cannot be comiled due to following errors:

gcc -c -g -O -D__SMP__ -D__KERNEL__ -DMODULE -DFCLayer_TachyonTL -I../h
-I../common/h -I/usr/src/linux/include hpfc.c
/usr/src/linux/include/asm/smp.h: In function `hard_smp_processor_id':
In file included from /usr/src/linux/include/linux/smp.h:11,
from /usr/src/linux/include/linux/sched.h:20,
from /usr/src/linux/include/linux/blkdev.h:5,
from /usr/src/linux/include/linux/blk.h:4,
from hpfc.c:81:
/usr/src/linux/include/asm/smp.h:209: `APIC_BASE' undeclared (first use in
this function)
/usr/src/linux/include/asm/smp.h:209: (Each undeclared identifier is
reported only once
/usr/src/linux/include/asm/smp.h:209: for each function it appears in.)
/usr/src/linux/include/asm/smp.h:209: `APIC_ID' undeclared (first use in
this function)
hpfc.c: In function `hpfc_DetectHBA':
hpfc.c:615: warning: passing arg 2 of `request_irq' from incompatible
pointer type
hpfc.c: At top level:
hpfc.c:2259: warning: initialization from incompatible pointer type
hpfc.c:2259: warning: initialization from incompatible pointer type
hpfc.c:2259: warning: initialization from incompatible pointer type
hpfc.c:2259: warning: initialization from incompatible pointer type
hpfc.c:2259: warning: initialization from incompatible pointer type
hpfc.c:2259: warning: initialization from incompatible pointer type
make: *** [hpfc.o] Error 1

Could anyone help me on this issue please!
1, To compile a driver with SMP enabled, what flag should be defined?
2. What else do I need to make driver compiled for SMP?

Many thanks!

-eddie

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