Messages in this thread Patch in this message | | | Date | Tue, 12 Nov 2002 13:48:04 -0800 | From | William Lee Irwin III <> | Subject | Re: [0/4] NUMA-Q: remove PCI bus number mangling |
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On Tue, Nov 12, 2002 at 01:35:04PM -0800, William Lee Irwin III wrote: > I'll remove the bus number mangling from it so it uses ->sysdata > instead, make it an additional stage of the patch series and convert > arch/i386/pci/numa.c to use it instead. > Bus number mangling has been vetoed numerous times; the agreed-upon > method of dealing with this is stuffing arch-private information in > ->sysdata and dispatching on that within PCI config access routines.
[7/4] NUMA-Q: introduce __pcibus_to_node()
This introduces a generic __pcibus_to_node() method in asm/topology.h and provides a NUMA-Q -specific implementation.
asm-generic/topology.h | 3 +++ asm-i386/topology.h | 4 ++++ 2 files changed, 7 insertions(+)
diff -urpN pci-2.5.47-6/include/asm-generic/topology.h pci-2.5.47-7/include/asm-generic/topology.h --- pci-2.5.47-6/include/asm-generic/topology.h 2002-11-10 19:28:04.000000000 -0800 +++ pci-2.5.47-7/include/asm-generic/topology.h 2002-11-12 13:03:40.000000000 -0800 @@ -47,5 +47,8 @@ #ifndef __node_to_memblk #define __node_to_memblk(node) (0) #endif +#ifndef __pcibus_to_node +#define __pcibus_to_node(bus) (0) +#endif #endif /* _ASM_GENERIC_TOPOLOGY_H */ diff -urpN pci-2.5.47-6/include/asm-i386/topology.h pci-2.5.47-7/include/asm-i386/topology.h --- pci-2.5.47-6/include/asm-i386/topology.h 2002-11-10 19:28:05.000000000 -0800 +++ pci-2.5.47-7/include/asm-i386/topology.h 2002-11-12 13:04:43.000000000 -0800 @@ -83,6 +83,10 @@ static inline unsigned long __node_to_cp /* Returns the number of the first MemBlk on Node 'node' */ #define __node_to_memblk(node) (node) +/* Returns the number of the node containing PCI bus 'bus' */ +#define __pcibus_to_node(bus) ((int)((bus)->sysdata)) + + #else /* !CONFIG_X86_NUMAQ */ /* * Other i386 platforms should define their own version of the - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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