Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 26 insertions, 34 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
index 0c46d8cdc6e..4f9e548b2ee 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
@@ -33,6 +33,8 @@
  *   when freed).
  */
 
+#define pr_fmt(fmt) "[TTM] " fmt
+
 #include <linux/dma-mapping.h>
 #include <linux/list.h>
 #include <linux/seq_file.h> /* for seq_printf */
@@ -221,18 +223,13 @@ static ssize_t ttm_pool_store(struct kobject *kobj, struct attribute *attr,
 		m->options.small = val;
 	else if (attr == &ttm_page_pool_alloc_size) {
 		if (val > NUM_PAGES_TO_ALLOC*8) {
-			printk(KERN_ERR TTM_PFX
-			       "Setting allocation size to %lu "
-			       "is not allowed. Recommended size is "
-			       "%lu\n",
+			pr_err("Setting allocation size to %lu is not allowed. Recommended size is %lu\n",
 			       NUM_PAGES_TO_ALLOC*(PAGE_SIZE >> 7),
 			       NUM_PAGES_TO_ALLOC*(PAGE_SIZE >> 10));
 			return size;
 		} else if (val > NUM_PAGES_TO_ALLOC) {
-			printk(KERN_WARNING TTM_PFX
-			       "Setting allocation size to "
-			       "larger than %lu is not recommended.\n",
-			       NUM_PAGES_TO_ALLOC*(PAGE_SIZE >> 10));
+			pr_warn("Setting allocation size to larger than %lu is not recommended\n",
+				NUM_PAGES_TO_ALLOC*(PAGE_SIZE >> 10));
 		}
 		m->options.alloc_size = val;
 	}
@@ -313,15 +310,13 @@ static int ttm_set_pages_caching(struct dma_pool *pool,
 	if (pool->type & IS_UC) {
 		r = set_pages_array_uc(pages, cpages);
 		if (r)
-			pr_err(TTM_PFX
-			       "%s: Failed to set %d pages to uc!\n",
+			pr_err("%s: Failed to set %d pages to uc!\n",
 			       pool->dev_name, cpages);
 	}
 	if (pool->type & IS_WC) {
 		r = set_pages_array_wc(pages, cpages);
 		if (r)
-			pr_err(TTM_PFX
-			       "%s: Failed to set %d pages to wc!\n",
+			pr_err("%s: Failed to set %d pages to wc!\n",
 			       pool->dev_name, cpages);
 	}
 	return r;
@@ -387,8 +382,8 @@ static void ttm_dma_pages_put(struct dma_pool *pool, struct list_head *d_pages,
 	/* Don't set WB on WB page pool. */
 	if (npages && !(pool->type & IS_CACHED) &&
 	    set_pages_array_wb(pages, npages))
-		pr_err(TTM_PFX "%s: Failed to set %d pages to wb!\n",
-			pool->dev_name, npages);
+		pr_err("%s: Failed to set %d pages to wb!\n",
+		       pool->dev_name, npages);
 
 	list_for_each_entry_safe(d_page, tmp, d_pages, page_list) {
 		list_del(&d_page->page_list);
@@ -400,8 +395,8 @@ static void ttm_dma_page_put(struct dma_pool *pool, struct dma_page *d_page)
 {
 	/* Don't set WB on WB page pool. */
 	if (!(pool->type & IS_CACHED) && set_pages_array_wb(&d_page->p, 1))
-		pr_err(TTM_PFX "%s: Failed to set %d pages to wb!\n",
-			pool->dev_name, 1);
+		pr_err("%s: Failed to set %d pages to wb!\n",
+		       pool->dev_name, 1);
 
 	list_del(&d_page->page_list);
 	__ttm_dma_free_page(pool, d_page);
@@ -430,17 +425,16 @@ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free)
 #if 0
 	if (nr_free > 1) {
 		pr_debug("%s: (%s:%d) Attempting to free %d (%d) pages\n",
-			pool->dev_name, pool->name, current->pid,
-			npages_to_free, nr_free);
+			 pool->dev_name, pool->name, current->pid,
+			 npages_to_free, nr_free);
 	}
 #endif
 	pages_to_free = kmalloc(npages_to_free * sizeof(struct page *),
 			GFP_KERNEL);
 
 	if (!pages_to_free) {
-		pr_err(TTM_PFX
-		       "%s: Failed to allocate memory for pool free operation.\n",
-			pool->dev_name);
+		pr_err("%s: Failed to allocate memory for pool free operation\n",
+		       pool->dev_name);
 		return 0;
 	}
 	INIT_LIST_HEAD(&d_pages);
@@ -723,23 +717,21 @@ static int ttm_dma_pool_alloc_new_pages(struct dma_pool *pool,
 	caching_array = kmalloc(max_cpages*sizeof(struct page *), GFP_KERNEL);
 
 	if (!caching_array) {
-		pr_err(TTM_PFX
-		       "%s: Unable to allocate table for new pages.",
-			pool->dev_name);
+		pr_err("%s: Unable to allocate table for new pages\n",
+		       pool->dev_name);
 		return -ENOMEM;
 	}
 
 	if (count > 1) {
 		pr_debug("%s: (%s:%d) Getting %d pages\n",
-			pool->dev_name, pool->name, current->pid,
-			count);
+			 pool->dev_name, pool->name, current->pid, count);
 	}
 
 	for (i = 0, cpages = 0; i < count; ++i) {
 		dma_p = __ttm_dma_alloc_page(pool);
 		if (!dma_p) {
-			pr_err(TTM_PFX "%s: Unable to get page %u.\n",
-				pool->dev_name, i);
+			pr_err("%s: Unable to get page %u\n",
+			       pool->dev_name, i);
 
 			/* store already allocated pages in the pool after
 			 * setting the caching state */
@@ -821,8 +813,8 @@ static int ttm_dma_page_pool_fill_locked(struct dma_pool *pool,
 			struct dma_page *d_page;
 			unsigned cpages = 0;
 
-			pr_err(TTM_PFX "%s: Failed to fill %s pool (r:%d)!\n",
-				pool->dev_name, pool->name, r);
+			pr_err("%s: Failed to fill %s pool (r:%d)!\n",
+			       pool->dev_name, pool->name, r);
 
 			list_for_each_entry(d_page, &d_pages, page_list) {
 				cpages++;
@@ -1038,8 +1030,8 @@ static int ttm_dma_pool_mm_shrink(struct shrinker *shrink,
 		nr_free = shrink_pages;
 		shrink_pages = ttm_dma_page_pool_free(p->pool, nr_free);
 		pr_debug("%s: (%s:%d) Asked to shrink %d, have %d more to go\n",
-			p->pool->dev_name, p->pool->name, current->pid, nr_free,
-			shrink_pages);
+			 p->pool->dev_name, p->pool->name, current->pid,
+			 nr_free, shrink_pages);
 	}
 	mutex_unlock(&_manager->lock);
 	/* return estimated number of unused pages in pool */
@@ -1064,7 +1056,7 @@ int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages)
 
 	WARN_ON(_manager);
 
-	printk(KERN_INFO TTM_PFX "Initializing DMA pool allocator.\n");
+	pr_info("Initializing DMA pool allocator\n");
 
 	_manager = kzalloc(sizeof(*_manager), GFP_KERNEL);
 	if (!_manager)
@@ -1097,7 +1089,7 @@ void ttm_dma_page_alloc_fini(void)
 {
 	struct device_pools *p, *t;
 
-	printk(KERN_INFO TTM_PFX "Finalizing DMA pool allocator.\n");
+	pr_info("Finalizing DMA pool allocator\n");
 	ttm_dma_pool_mm_shrink_fini(_manager);
 
 	list_for_each_entry_safe_reverse(p, t, &_manager->pools, pools) {