From d203a4f055a36ae20efbcee7cdf70ce13fff12c9 Mon Sep 17 00:00:00 2001 Message-Id: From: Jose Abreu Date: Mon, 29 Jul 2019 10:14:21 +0200 Subject: [PATCH net] net: page_pool: Do not skip CPU sync Signed-off-by: Jose Abreu --- Cc: Jesper Dangaard Brouer Cc: Ilias Apalodimas Cc: "David S. Miller" Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- net/core/page_pool.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/net/core/page_pool.c b/net/core/page_pool.c index 3272dc7a8c81..0262fcdf217e 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -156,7 +156,7 @@ static struct page *__page_pool_alloc_pages_slow(struct page_pool *pool, */ dma = dma_map_page_attrs(pool->p.dev, page, 0, (PAGE_SIZE << pool->p.order), - pool->p.dma_dir, DMA_ATTR_SKIP_CPU_SYNC); + pool->p.dma_dir, 0); if (dma_mapping_error(pool->p.dev, dma)) { put_page(page); return NULL; @@ -230,8 +230,7 @@ static void __page_pool_clean_page(struct page_pool *pool, dma = page->dma_addr; /* DMA unmap */ dma_unmap_page_attrs(pool->p.dev, dma, - PAGE_SIZE << pool->p.order, pool->p.dma_dir, - DMA_ATTR_SKIP_CPU_SYNC); + PAGE_SIZE << pool->p.order, pool->p.dma_dir, 0); page->dma_addr = 0; skip_dma_unmap: atomic_inc(&pool->pages_state_release_cnt); -- 2.7.4