x86: cpa: move flush to cpa

The set_memory_* and set_pages_* family of API's currently requires the
callers to do a global tlb flush after the function call; forgetting this is
a very nasty deathtrap. This patch moves the global tlb flush into
each of the callers

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2 files changed, 1 insertions, 6 deletions

diff --git a/include/asm-x86/agp.h b/include/asm-x86/agp.h
index f6df72561832..0c309b9a5217 100644
--- a/include/asm-x86/agp.h
+++ b/include/asm-x86/agp.h
@@ -12,13 +12,9 @@
  * page. This avoids data corruption on some CPUs.
  */
 
-/*
- * Caller's responsibility to call global_flush_tlb() for performance
- * reasons
- */
 #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() global_flush_tlb()
+#define flush_agp_mappings() do { } while (0)
 
 /*
  * Could use CLFLUSH here if the cpu supports it. But then it would
diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h
index d15ff359d3e3..157da0206ccc 100644
--- a/include/asm-x86/cacheflush.h
+++ b/include/asm-x86/cacheflush.h
@@ -24,7 +24,6 @@
 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
         memcpy(dst, src, len)
 
-void global_flush_tlb(void);
 int __deprecated_for_modules change_page_attr(struct page *page, int numpages,
                                                                 pgprot_t prot);