From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lucas Stach , Robin Gong , Vinod Koul Subject: [PATCH 4.19 086/118] dmaengine: imx-sdma: use GFP_NOWAIT for dma descriptor allocations Date: Tue, 11 Dec 2018 16:41:45 +0100 Message-Id: <20181211151647.742040024@linuxfoundation.org> In-Reply-To: <20181211151644.216668863@linuxfoundation.org> References: <20181211151644.216668863@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lucas Stach commit 64068853bc77786d1a28abb4087d6a3e93aedbe2 upstream. DMA buffer descriptors aren't allocated from atomic context, so they can use the less heavyweigth GFP_NOWAIT. Signed-off-by: Lucas Stach Signed-off-by: Robin Gong Cc: stable Signed-off-by: Vinod Koul Signed-off-by: Greg Kroah-Hartman --- drivers/dma/imx-sdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1214,7 +1214,7 @@ static int sdma_alloc_bd(struct sdma_des int ret = 0; desc->bd = dma_zalloc_coherent(NULL, bd_size, &desc->bd_phys, - GFP_ATOMIC); + GFP_NOWAIT); if (!desc->bd) { ret = -ENOMEM; goto out;