[PATCH][2.6-mm] cpumask_t/x86_64 __flush_gart fix

[Zwane Mwaikambo]

Index: linux-2.6.0-test3-mm2-x86_64/arch/x86_64/kernel/pci-gart.c
===================================================================
RCS file: /build/cvsroot/linux-2.6.0-test3/arch/x86_64/kernel/pci-gart.c,v
retrieving revision 1.1.1.2
diff -u -p -B -r1.1.1.2 pci-gart.c
--- linux-2.6.0-test3-mm2-x86_64/arch/x86_64/kernel/pci-gart.c	13 Aug 2003 12:10:24 -0000	1.1.1.2
+++ linux-2.6.0-test3-mm2-x86_64/arch/x86_64/kernel/pci-gart.c	13 Aug 2003 12:50:14 -0000
@@ -141,15 +141,16 @@ static void free_iommu(unsigned long off
 static void __flush_gart(struct pci_dev *dev)
 { 
 	unsigned long flags;
-	int bus = dev ? dev->bus->number : -1; 
+	int bus = dev ? dev->bus->number : -1;
+	cpumask_const_t bus_cpumask = pcibus_to_cpumask(bus);
 	int flushed = 0;
 	int i;
 
 	spin_lock_irqsave(&iommu_bitmap_lock, flags);
 	/* recheck flush count inside lock */
 	if (need_flush) { 
-		for (i = 0; northbridges[i]; i++) { 
-			if (bus >= 0 && !(pcibus_to_cpumask(bus) & (1UL << i))) 
+		for (i = 0; northbridges[i]; i++) {
+			if (bus >= 0 && !(cpu_isset_const(i, bus_cpumask))) 
 				continue;
 			pci_write_config_dword(northbridges[i], 0x9c, 
 					       northbridge_flush_word[i] | 1); 
-
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