netdev - [PATCH net] net: amd: replace dev_kfree_skb_irq by dev_consume_skb

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-next>] [day] [month] [year] [list]

Date:   Wed, 13 Feb 2019 23:14:54 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, yang.wei9@....com.cn, albin_yang@....com
Subject: [PATCH net] net: amd: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

From: Yang Wei <yang.wei9@....com.cn>

dev_consume_skb_irq() should be called when skb xmit done. It makes
drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@....com.cn>
---
 drivers/net/ethernet/amd/lance.c | 2 +-
 drivers/net/ethernet/amd/ni65.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/amd/lance.c b/drivers/net/ethernet/amd/lance.c
index b56d84c..f90b454 100644
--- a/drivers/net/ethernet/amd/lance.c
+++ b/drivers/net/ethernet/amd/lance.c
@@ -1084,7 +1084,7 @@ static irqreturn_t lance_interrupt(int irq, void *dev_id)
 				/* We must free the original skb if it's not a data-only copy
 				   in the bounce buffer. */
 				if (lp->tx_skbuff[entry]) {
-					dev_kfree_skb_irq(lp->tx_skbuff[entry]);
+					dev_consume_skb_irq(lp->tx_skbuff[entry]);
 					lp->tx_skbuff[entry] = NULL;
 				}
 				dirty_tx++;
diff --git a/drivers/net/ethernet/amd/ni65.c b/drivers/net/ethernet/amd/ni65.c
index 8931ce6..87ff5d6 100644
--- a/drivers/net/ethernet/amd/ni65.c
+++ b/drivers/net/ethernet/amd/ni65.c
@@ -1028,7 +1028,7 @@ static void ni65_xmit_intr(struct net_device *dev,int csr0)
 
 #ifdef XMT_VIA_SKB
 		if(p->tmd_skb[p->tmdlast]) {
-			 dev_kfree_skb_irq(p->tmd_skb[p->tmdlast]);
+			 dev_consume_skb_irq(p->tmd_skb[p->tmdlast]);
 			 p->tmd_skb[p->tmdlast] = NULL;
 		}
 #endif
-- 
2.7.4