| Message ID | 20200614071128.4ezfcyhjesot4vvr@SvensMacBookAir.sven.lan |
|---|---|
| State | New |
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Sun, 14 Jun 2020 07:11:30 +0000 Date: Sun, 14 Jun 2020 09:11:28 +0200 From: Sven Auhagen <sven.auhagen@voleatech.de> To: netdev@vger.kernel.org Cc: thomas.petazzoni@bootlin.com, brouer@redhat.com, lorenzo@kernel.org Subject: [PATCH 1/1] mvneta: fix prefetch location Message-ID: <20200614071128.4ezfcyhjesot4vvr@SvensMacBookAir.sven.lan> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-ClientProxiedBy: AM4P190CA0024.EURP190.PROD.OUTLOOK.COM (2603:10a6:200:56::34) To VI1PR0501MB2800.eurprd05.prod.outlook.com (2603:10a6:800:9c::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from SvensMacBookAir.sven.lan (149.172.153.214) by AM4P190CA0024.EURP190.PROD.OUTLOOK.COM (2603:10a6:200:56::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3088.18 via Frontend Transport; Sun, 14 Jun 2020 07:11:30 +0000 X-Originating-IP: [149.172.153.214] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 1f2dfd3a-7cee-4196-e0d1-08d81032299d X-MS-TrafficTypeDiagnostic: VI1PR0501MB2303: X-Microsoft-Antispam-PRVS: <VI1PR0501MB2303230A9E74EE6DABE46E67EF9F0@VI1PR0501MB2303.eurprd05.prod.outlook.com> X-MS-Oob-TLC-OOBClassifiers: OLM:1091; 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[1/1] mvneta: fix prefetch location
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diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 51889770958d..344fc5f649b4 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2229,7 +2229,7 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp, len, dma_dir); /* Prefetch header */ - prefetch(data); + prefetch(data + pp->rx_offset_correction + MVNETA_MH_SIZE); xdp->data_hard_start = data; xdp->data = data + pp->rx_offset_correction + MVNETA_MH_SIZE;
The packet header prefetch is at an offset now. Correct the prefetch address. Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de> --- drivers/net/ethernet/marvell/mvneta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)