[PATCH] net: mvneta: use cache_line_size() to get cacheline size

From	Jisheng Zhang <jszhang@marvell.com>
Newsgroups	linux.kernel
Subject	[PATCH] net: mvneta: use cache_line_size() to get cacheline size
Date	2016-04-01 11:20 +0200
Message-ID	<rj3pg-2eA-5@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Show all headers | View raw

L1_CACHE_BYTES may not be the real cacheline size, use cache_line_size
to determine the cacheline size in runtime.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Suggested-by: Marcin Wojtas <mw@semihalf.com>
---
 drivers/net/ethernet/marvell/mvneta.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 5880871..b1db000 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -299,7 +299,7 @@
 #define MVNETA_RX_PKT_SIZE(mtu) \
 	ALIGN((mtu) + MVNETA_MH_SIZE + MVNETA_VLAN_TAG_LEN + \
 	      ETH_HLEN + ETH_FCS_LEN,			     \
-	      L1_CACHE_BYTES)
+	      cache_line_size())
 
 #define IS_TSO_HEADER(txq, addr) \
 	((addr >= txq->tso_hdrs_phys) && \
-- 
2.8.0.rc3

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH] net: mvneta: use cache_line_size() to get cacheline size Jisheng Zhang <jszhang@marvell.com> - 2016-04-01 11:20 +0200
  Re: [PATCH] net: mvneta: use cache_line_size() to get cacheline  size David Miller <davem@davemloft.net> - 2016-04-01 20:50 +0200

csiph-web