cpumask: remove the now-obsoleted pcibus_to_cpumask(): x86

Impact: reduce stack usage for large NR_CPUS

cpumask_of_pcibus() is the new version.
Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>

arch/x86/include/asm/pci.h

@@ -109,11 +109,6 @@ static inline int __pcibus_to_node(const struct pci_bus *bus)
 	return sd->node;
 }
 
-static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus)
-{
-	return node_to_cpumask(__pcibus_to_node(bus));
-}
-
 static inline const struct cpumask *
 cpumask_of_pcibus(const struct pci_bus *bus)
 {

arch/x86/include/asm/topology.h

@@ -143,7 +143,6 @@ extern void setup_node_to_cpumask_map(void);
 #define parent_node(node) (node)
 
 #define pcibus_to_node(bus) __pcibus_to_node(bus)
-#define pcibus_to_cpumask(bus) __pcibus_to_cpumask(bus)
 
 #ifdef CONFIG_X86_32
 extern unsigned long node_start_pfn[];