Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus

[safe/jmp/linux-2.6] / arch / x86 / kernel / pci-gart_64.c

diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 56c0e73..0f7f130 100644 (file)
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -23,12 +23,13 @@
 #include <linux/module.h>
 #include <linux/topology.h>
 #include <linux/interrupt.h>
-#include <linux/bitops.h>
+#include <linux/bitmap.h>
 #include <linux/kdebug.h>
 #include <linux/scatterlist.h>
 #include <linux/iommu-helper.h>
 #include <linux/sysdev.h>
 #include <linux/io.h>
+#include <linux/gfp.h>
 #include <asm/atomic.h>
 #include <asm/mtrr.h>
 #include <asm/pgtable.h>
@@ -126,7 +127,7 @@ static void free_iommu(unsigned long offset, int size)
        unsigned long flags;
 
        spin_lock_irqsave(&iommu_bitmap_lock, flags);
-       iommu_area_free(iommu_gart_bitmap, offset, size);
+       bitmap_clear(iommu_gart_bitmap, offset, size);
        if (offset >= next_bit)
                next_bit = offset + size;
        spin_unlock_irqrestore(&iommu_bitmap_lock, flags);
@@ -564,6 +565,9 @@ static void enable_gart_translations(void)
 
                enable_gart_translation(dev, __pa(agp_gatt_table));
        }
+
+       /* Flush the GART-TLB to remove stale entries */
+       k8_flush_garts();
 }
 
 /*
@@ -735,7 +739,7 @@ int __init gart_iommu_init(void)
        unsigned long scratch;
        long i;
 
-       if (cache_k8_northbridges() < 0 || num_k8_northbridges == 0)
+       if (num_k8_northbridges == 0)
                return 0;
 
 #ifndef CONFIG_AGP_AMD64
@@ -792,7 +796,7 @@ int __init gart_iommu_init(void)
         * Out of IOMMU space handling.
         * Reserve some invalid pages at the beginning of the GART.
         */
-       iommu_area_reserve(iommu_gart_bitmap, 0, EMERGENCY_PAGES);
+       bitmap_set(iommu_gart_bitmap, 0, EMERGENCY_PAGES);
 
        pr_info("PCI-DMA: Reserving %luMB of IOMMU area in the AGP aperture\n",
               iommu_size >> 20);