diff options
Diffstat (limited to 'target/linux/mvebu/patches-4.4/039-net-mvneta-Use-on_each_cpu-when-possible.patch')
| -rw-r--r-- | target/linux/mvebu/patches-4.4/039-net-mvneta-Use-on_each_cpu-when-possible.patch | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/target/linux/mvebu/patches-4.4/039-net-mvneta-Use-on_each_cpu-when-possible.patch b/target/linux/mvebu/patches-4.4/039-net-mvneta-Use-on_each_cpu-when-possible.patch deleted file mode 100644 index 8d22df0..0000000 --- a/target/linux/mvebu/patches-4.4/039-net-mvneta-Use-on_each_cpu-when-possible.patch +++ /dev/null @@ -1,68 +0,0 @@ -From: Gregory CLEMENT <gregory.clement@free-electrons.com> -Date: Thu, 4 Feb 2016 22:09:25 +0100 -Subject: [PATCH] net: mvneta: Use on_each_cpu when possible - -Instead of using a for_each_* loop in which we just call the -smp_call_function_single macro, it is more simple to directly use the -on_each_cpu macro. Moreover, this macro ensures that the calls will be -done all at once. - -Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk> -Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - ---- a/drivers/net/ethernet/marvell/mvneta.c -+++ b/drivers/net/ethernet/marvell/mvneta.c -@@ -2557,7 +2557,7 @@ static void mvneta_percpu_mask_interrupt - - static void mvneta_start_dev(struct mvneta_port *pp) - { -- unsigned int cpu; -+ int cpu; - - mvneta_max_rx_size_set(pp, pp->pkt_size); - mvneta_txq_max_tx_size_set(pp, pp->pkt_size); -@@ -2573,9 +2573,8 @@ static void mvneta_start_dev(struct mvne - } - - /* Unmask interrupts. It has to be done from each CPU */ -- for_each_online_cpu(cpu) -- smp_call_function_single(cpu, mvneta_percpu_unmask_interrupt, -- pp, true); -+ on_each_cpu(mvneta_percpu_unmask_interrupt, pp, true); -+ - mvreg_write(pp, MVNETA_INTR_MISC_MASK, - MVNETA_CAUSE_PHY_STATUS_CHANGE | - MVNETA_CAUSE_LINK_CHANGE | -@@ -2995,7 +2994,7 @@ static int mvneta_percpu_notifier(struct - static int mvneta_open(struct net_device *dev) - { - struct mvneta_port *pp = netdev_priv(dev); -- int ret, cpu; -+ int ret; - - pp->pkt_size = MVNETA_RX_PKT_SIZE(pp->dev->mtu); - pp->frag_size = SKB_DATA_ALIGN(MVNETA_RX_BUF_SIZE(pp->pkt_size)) + -@@ -3028,9 +3027,7 @@ static int mvneta_open(struct net_device - /* Enable per-CPU interrupt on all the CPU to handle our RX - * queue interrupts - */ -- for_each_online_cpu(cpu) -- smp_call_function_single(cpu, mvneta_percpu_enable, -- pp, true); -+ on_each_cpu(mvneta_percpu_enable, pp, true); - - - /* Register a CPU notifier to handle the case where our CPU -@@ -3317,9 +3314,7 @@ static int mvneta_config_rss(struct mvn - - netif_tx_stop_all_queues(pp->dev); - -- for_each_online_cpu(cpu) -- smp_call_function_single(cpu, mvneta_percpu_mask_interrupt, -- pp, true); -+ on_each_cpu(mvneta_percpu_mask_interrupt, pp, true); - - /* We have to synchronise on the napi of each CPU */ - for_each_online_cpu(cpu) { |