forked from luck/tmp_suning_uos_patched
[PATCH] AGP: Make gart iterator in K8 AGP driver SMP safe
Ugh! Cc: davej@redhat.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -58,7 +58,6 @@ static struct pci_dev * hammers[MAX_HAMMER_GARTS];
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static struct resource *aperture_resource;
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static int __initdata agp_try_unsupported = 1;
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static int gart_iterator;
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#define for_each_nb() for(gart_iterator=0;gart_iterator<nr_garts;gart_iterator++)
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static void flush_amd64_tlb(struct pci_dev *dev)
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@ -72,6 +71,7 @@ static void flush_amd64_tlb(struct pci_dev *dev)
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static void amd64_tlbflush(struct agp_memory *temp)
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{
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int gart_iterator;
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for_each_nb()
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flush_amd64_tlb(hammers[gart_iterator]);
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}
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@ -221,6 +221,7 @@ static struct aper_size_info_32 amd_8151_sizes[7] =
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static int amd_8151_configure(void)
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{
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unsigned long gatt_bus = virt_to_gart(agp_bridge->gatt_table_real);
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int gart_iterator;
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/* Configure AGP regs in each x86-64 host bridge. */
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for_each_nb() {
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@ -234,7 +235,7 @@ static int amd_8151_configure(void)
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static void amd64_cleanup(void)
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{
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u32 tmp;
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int gart_iterator;
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for_each_nb() {
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/* disable gart translation */
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pci_read_config_dword (hammers[gart_iterator], AMD64_GARTAPERTURECTL, &tmp);
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