Merge branch 'linus' into x86/cleanups

Merge reason: We were on an older pre-rc1 base, move to almost-rc2.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 10 insertions, 2 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index c27ab3a877ad..75dc8bd24592 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -28,7 +28,6 @@
  * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
  */
 
-#include <linux/version.h>
 #include <linux/vmalloc.h>
 #include <linux/sched.h>
 #include <linux/highmem.h>
@@ -68,7 +67,7 @@ static void ttm_tt_cache_flush_clflush(struct page *pages[],
                 ttm_tt_clflush_page(*pages++);
         mb();
 }
-#else
+#elif !defined(__powerpc__)
 static void ttm_tt_ipi_handler(void *null)
 {
         ;
@@ -83,6 +82,15 @@ void ttm_tt_cache_flush(struct page *pages[], unsigned long num_pages)
                 ttm_tt_cache_flush_clflush(pages, num_pages);
                 return;
         }
+#elif defined(__powerpc__)
+        unsigned long i;
+
+        for (i = 0; i < num_pages; ++i) {
+                if (pages[i]) {
+                        unsigned long start = (unsigned long)page_address(pages[i]);
+                        flush_dcache_range(start, start + PAGE_SIZE);
+                }
+        }
 #else
         if (on_each_cpu(ttm_tt_ipi_handler, NULL, 1) != 0)
                 printk(KERN_ERR TTM_PFX