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x86: remove flush_agp_mappings() 

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar 2008-01-30 13:34:07 +01:00
parent d7c8f21a8c
commit 5398f9854f
8 changed files with 0 additions and 12 deletions
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3
drivers/char/agp/backend.c
View File

@ -147,7 +147,6 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
printk(KERN_ERR PFX "unable to get memory for scratch page.\n");
return -ENOMEM;
}
flush_agp_mappings();
bridge->scratch_page_real = virt_to_gart(addr);
bridge->scratch_page =
@ -191,7 +190,6 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
if (bridge->driver->needs_scratch_page) {
bridge->driver->agp_destroy_page(gart_to_virt(bridge->scratch_page_real),
AGP_PAGE_DESTROY_UNMAP);
flush_agp_mappings();
bridge->driver->agp_destroy_page(gart_to_virt(bridge->scratch_page_real),
AGP_PAGE_DESTROY_FREE);
}
@ -219,7 +217,6 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge)
bridge->driver->needs_scratch_page) {
bridge->driver->agp_destroy_page(gart_to_virt(bridge->scratch_page_real),
AGP_PAGE_DESTROY_UNMAP);
flush_agp_mappings();
bridge->driver->agp_destroy_page(gart_to_virt(bridge->scratch_page_real),
AGP_PAGE_DESTROY_FREE);
}

3
drivers/char/agp/generic.c
View File

@ -197,7 +197,6 @@ 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]), AGP_PAGE_DESTROY_UNMAP);
}
flush_agp_mappings();
for (i = 0; i < curr->page_count; i++) {
curr->bridge->driver->agp_destroy_page(gart_to_virt(curr->memory[i]), AGP_PAGE_DESTROY_FREE);
}
@ -267,8 +266,6 @@ struct agp_memory *agp_allocate_memory(struct agp_bridge_data *bridge,
}
new->bridge = bridge;
flush_agp_mappings();
return new;
}
EXPORT_SYMBOL(agp_allocate_memory);

1
include/asm-alpha/agp.h
View File

@ -7,7 +7,6 @@
#define map_page_into_agp(page)
#define unmap_page_from_agp(page)
#define flush_agp_mappings()
#define flush_agp_cache() mb()
/* Convert a physical address to an address suitable for the GART. */

1
include/asm-ia64/agp.h
View File

@ -15,7 +15,6 @@
*/
#define map_page_into_agp(page) /* nothing */
#define unmap_page_from_agp(page) /* nothing */
#define flush_agp_mappings() /* nothing */
#define flush_agp_cache() mb()
/* Convert a physical address to an address suitable for the GART. */

1
include/asm-parisc/agp.h
View File

@ -9,7 +9,6 @@
#define map_page_into_agp(page) /* nothing */
#define unmap_page_from_agp(page) /* nothing */
#define flush_agp_mappings() /* nothing */
#define flush_agp_cache() mb()
/* Convert a physical address to an address suitable for the GART. */

1
include/asm-powerpc/agp.h
View File

@ -6,7 +6,6 @@
#define map_page_into_agp(page)
#define unmap_page_from_agp(page)
#define flush_agp_mappings()
#define flush_agp_cache() mb()
/* Convert a physical address to an address suitable for the GART. */

1
include/asm-sparc64/agp.h
View File

@ -5,7 +5,6 @@
#define map_page_into_agp(page)
#define unmap_page_from_agp(page)
#define flush_agp_mappings()
#define flush_agp_cache() mb()
/* Convert a physical address to an address suitable for the GART. */

1
include/asm-x86/agp.h
View File

@ -14,7 +14,6 @@
#define map_page_into_agp(page) set_pages_uc(page, 1)
#define unmap_page_from_agp(page) set_pages_wb(page, 1)
#define flush_agp_mappings() do { } while (0)
/*
* Could use CLFLUSH here if the cpu supports it. But then it would