Loading include/net/netdma.h +1 −1 Original line number Diff line number Diff line Loading @@ -29,7 +29,7 @@ static inline struct dma_chan *get_softnet_dma(void) { struct dma_chan *chan; rcu_read_lock(); chan = rcu_dereference(__get_cpu_var(softnet_data.net_dma)); chan = rcu_dereference(__get_cpu_var(softnet_data).net_dma); if (chan) dma_chan_get(chan); rcu_read_unlock(); Loading net/core/dev.c +2 −2 Original line number Diff line number Diff line Loading @@ -3421,7 +3421,7 @@ static void net_dma_rebalance(void) if (net_dma_count == 0) { for_each_online_cpu(cpu) rcu_assign_pointer(per_cpu(softnet_data.net_dma, cpu), NULL); rcu_assign_pointer(per_cpu(softnet_data, cpu).net_dma, NULL); return; } Loading @@ -3434,7 +3434,7 @@ static void net_dma_rebalance(void) + (i < (num_online_cpus() % net_dma_count) ? 1 : 0)); while(n) { per_cpu(softnet_data.net_dma, cpu) = chan; per_cpu(softnet_data, cpu).net_dma = chan; cpu = next_cpu(cpu, cpu_online_map); n--; } Loading net/ipv4/tcp.c +1 −1 Original line number Diff line number Diff line Loading @@ -1132,7 +1132,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, tp->ucopy.dma_chan = NULL; preempt_disable(); if ((len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) && !sysctl_tcp_low_latency && __get_cpu_var(softnet_data.net_dma)) { !sysctl_tcp_low_latency && __get_cpu_var(softnet_data).net_dma) { preempt_enable_no_resched(); tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len); } else Loading Loading
include/net/netdma.h +1 −1 Original line number Diff line number Diff line Loading @@ -29,7 +29,7 @@ static inline struct dma_chan *get_softnet_dma(void) { struct dma_chan *chan; rcu_read_lock(); chan = rcu_dereference(__get_cpu_var(softnet_data.net_dma)); chan = rcu_dereference(__get_cpu_var(softnet_data).net_dma); if (chan) dma_chan_get(chan); rcu_read_unlock(); Loading
net/core/dev.c +2 −2 Original line number Diff line number Diff line Loading @@ -3421,7 +3421,7 @@ static void net_dma_rebalance(void) if (net_dma_count == 0) { for_each_online_cpu(cpu) rcu_assign_pointer(per_cpu(softnet_data.net_dma, cpu), NULL); rcu_assign_pointer(per_cpu(softnet_data, cpu).net_dma, NULL); return; } Loading @@ -3434,7 +3434,7 @@ static void net_dma_rebalance(void) + (i < (num_online_cpus() % net_dma_count) ? 1 : 0)); while(n) { per_cpu(softnet_data.net_dma, cpu) = chan; per_cpu(softnet_data, cpu).net_dma = chan; cpu = next_cpu(cpu, cpu_online_map); n--; } Loading
net/ipv4/tcp.c +1 −1 Original line number Diff line number Diff line Loading @@ -1132,7 +1132,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, tp->ucopy.dma_chan = NULL; preempt_disable(); if ((len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) && !sysctl_tcp_low_latency && __get_cpu_var(softnet_data.net_dma)) { !sysctl_tcp_low_latency && __get_cpu_var(softnet_data).net_dma) { preempt_enable_no_resched(); tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len); } else Loading