linux-kernel - [PATCH v2 4/4] dmaengine: imx-sdma: use GFP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180914170615.12659-4-l.stach@pengutronix.de>
Date:   Fri, 14 Sep 2018 19:06:15 +0200
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        Robin Gong <yibin.gong@....com>, linux-imx@....com,
        kernel@...gutronix.de, patchwork-lst@...gutronix.de
Subject: [PATCH v2 4/4] dmaengine: imx-sdma: use GFP_NOWAIT for dma allocations

DMA buffer descriptors aren't allocated from atomic context, so they
can use the less heavyweigth GFP_NOWAIT.

Signed-off-by: Lucas Stach <l.stach@...gutronix.de>
---
 drivers/dma/imx-sdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index da41e8fbf151..ac189d3d985c 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1213,7 +1213,7 @@ static int sdma_alloc_bd(struct sdma_desc *desc)
 	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;
-- 
2.19.0