From 9326d61bf64c4293f834e86c11f52db5be9798d6 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 21 Aug 2008 13:46:25 +0200 Subject: [PATCH] Revert "reduce tlb/cache flush times of agpgart memory allocation" This reverts commit 466ae837424dcc538b1af2a0eaf53be32edcdbe7. --- drivers/char/agp/agp.h | 4 ---- drivers/char/agp/generic.c | 4 +--- include/asm-x86/agp.h | 3 --- 3 files changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h index 395168fb17e3..81e14bea54bd 100644 --- a/drivers/char/agp/agp.h +++ b/drivers/char/agp/agp.h @@ -30,10 +30,6 @@ #define _AGP_BACKEND_PRIV_H 1 #include /* for flush_agp_cache() */ -#ifndef map_page_into_agp_noflush -#define map_page_into_agp_noflush(page) map_page_into_agp(page) -#define map_page_into_agp_global_flush() -#endif #define PFX "agpgart: " diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index bf239b8ecac5..eaa1a355bb32 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -274,7 +274,6 @@ struct agp_memory *agp_allocate_memory(struct agp_bridge_data *bridge, new->memory[i] = virt_to_gart(addr); new->page_count++; } - map_page_into_agp_global_flush(); new->bridge = bridge; return new; @@ -1187,8 +1186,7 @@ void *agp_generic_alloc_page(struct agp_bridge_data *bridge) if (page == NULL) return NULL; - /* agp_allocate_memory will do flush */ - map_page_into_agp_noflush(page); + map_page_into_agp(page); get_page(page); atomic_inc(&agp_bridge->current_memory_agp); diff --git a/include/asm-x86/agp.h b/include/asm-x86/agp.h index 181b9e984b3a..e4004a9f6a9a 100644 --- a/include/asm-x86/agp.h +++ b/include/asm-x86/agp.h @@ -15,9 +15,6 @@ #define map_page_into_agp(page) set_pages_uc(page, 1) #define unmap_page_from_agp(page) set_pages_wb(page, 1) -#define map_page_into_agp_noflush(page) set_pages_uc_noflush(page, 1) -#define map_page_into_agp_global_flush() set_memory_flush_all() - /* * Could use CLFLUSH here if the cpu supports it. But then it would * need to be called for each cacheline of the whole page so it may -- 2.30.2