diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-04-30 12:38:01 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-04-30 12:38:01 +1000 |
| commit | 49e1900d4cc2e7bcecb681fe60f0990bec2dcce8 (patch) | |
| tree | 253801ebf57e0a23856a2c7be129c2c178f62fdf /arch/x86_64/kernel/pci-gart.c | |
| parent | 34f6d749c0a328817d5e36274e53121c1db734dc (diff) | |
| parent | b9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff) | |
Merge branch 'linux-2.6' into for-2.6.22
Diffstat (limited to 'arch/x86_64/kernel/pci-gart.c')
| -rw-r--r-- | arch/x86_64/kernel/pci-gart.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 2bac8c60ad6..0bae862e9a5 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -519,7 +519,11 @@ static __init int init_k8_gatt(struct agp_kern_info *info) gatt_size = (aper_size >> PAGE_SHIFT) * sizeof(u32); gatt = (void *)__get_free_pages(GFP_KERNEL, get_order(gatt_size)); if (!gatt) - panic("Cannot allocate GATT table"); + panic("Cannot allocate GATT table"); + if (change_page_attr_addr((unsigned long)gatt, gatt_size >> PAGE_SHIFT, PAGE_KERNEL_NOCACHE)) + panic("Could not set GART PTEs to uncacheable pages"); + global_flush_tlb(); + memset(gatt, 0, gatt_size); agp_gatt_table = gatt; |