diff options
Diffstat (limited to 'drivers/char/agp/generic.c')
| -rw-r--r-- | drivers/char/agp/generic.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index c4a38715c6f9..19f242b50781 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -57,7 +57,8 @@ int map_page_into_agp(struct page *page) { int i; i = change_page_attr(page, 1, PAGE_KERNEL_NOCACHE); - global_flush_tlb(); + /* Caller's responsibility to call global_flush_tlb() for + * performance reasons */ return i; } EXPORT_SYMBOL_GPL(map_page_into_agp); @@ -66,7 +67,8 @@ int unmap_page_from_agp(struct page *page) { int i; i = change_page_attr(page, 1, PAGE_KERNEL); - global_flush_tlb(); + /* Caller's responsibility to call global_flush_tlb() for + * performance reasons */ return i; } EXPORT_SYMBOL_GPL(unmap_page_from_agp); @@ -153,6 +155,7 @@ void agp_free_memory(struct agp_memory *curr) for (i = 0; i < curr->page_count; i++) { curr->bridge->driver->agp_destroy_page(gart_to_virt(curr->memory[i])); } + global_flush_tlb(); } agp_free_key(curr->key); vfree(curr->memory); @@ -210,7 +213,9 @@ struct agp_memory *agp_allocate_memory(struct agp_bridge_data *bridge, new->memory[i] = virt_to_gart(addr); new->page_count++; } - new->bridge = bridge; + global_flush_tlb(); + + new->bridge = bridge; flush_agp_mappings(); |