diff options
Diffstat (limited to 'debian/patches-rt/0003-net-Use-backlog-NAPI-to-clean-up-the-defer_list.patch')
| -rw-r--r-- | debian/patches-rt/0003-net-Use-backlog-NAPI-to-clean-up-the-defer_list.patch | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/debian/patches-rt/0003-net-Use-backlog-NAPI-to-clean-up-the-defer_list.patch b/debian/patches-rt/0003-net-Use-backlog-NAPI-to-clean-up-the-defer_list.patch index ae46bdf942..66b0a2cf23 100644 --- a/debian/patches-rt/0003-net-Use-backlog-NAPI-to-clean-up-the-defer_list.patch +++ b/debian/patches-rt/0003-net-Use-backlog-NAPI-to-clean-up-the-defer_list.patch @@ -1,7 +1,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> -Date: Sat, 9 Mar 2024 10:05:11 +0100 +Date: Mon, 25 Mar 2024 08:40:30 +0100 Subject: [PATCH 3/4] net: Use backlog-NAPI to clean up the defer_list. -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.8/older/patches-6.8.2-rt11.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.9/older/patches-6.9-rt5.tar.xz The defer_list is a per-CPU list which is used to free skbs outside of the socket lock and on the CPU on which they have been allocated. @@ -26,7 +26,7 @@ rps_lock_irq*() if backlog-NAPI threads are used. Schedule backlog-NAPI for defer_list cleanup if backlog-NAPI is available. Acked-by: Jakub Kicinski <kuba@kernel.org> -Link: https://lore.kernel.org/r/20240309090824.2956805-4-bigeasy@linutronix.de +Link: https://lore.kernel.org/r/20240325074943.289909-4-bigeasy@linutronix.de Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- include/linux/netdevice.h | 1 + @@ -36,7 +36,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h -@@ -3365,6 +3365,7 @@ static inline void dev_xmit_recursion_de +@@ -3287,6 +3287,7 @@ static inline void dev_xmit_recursion_de __this_cpu_dec(softnet_data.xmit.recursion); } @@ -46,7 +46,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- a/net/core/dev.c +++ b/net/core/dev.c -@@ -245,7 +245,7 @@ static bool use_backlog_threads(void) +@@ -226,7 +226,7 @@ static bool use_backlog_threads(void) static inline void rps_lock_irqsave(struct softnet_data *sd, unsigned long *flags) { @@ -55,7 +55,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> spin_lock_irqsave(&sd->input_pkt_queue.lock, *flags); else if (!IS_ENABLED(CONFIG_PREEMPT_RT)) local_irq_save(*flags); -@@ -253,7 +253,7 @@ static inline void rps_lock_irqsave(stru +@@ -234,7 +234,7 @@ static inline void rps_lock_irqsave(stru static inline void rps_lock_irq_disable(struct softnet_data *sd) { @@ -64,7 +64,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> spin_lock_irq(&sd->input_pkt_queue.lock); else if (!IS_ENABLED(CONFIG_PREEMPT_RT)) local_irq_disable(); -@@ -262,7 +262,7 @@ static inline void rps_lock_irq_disable( +@@ -243,7 +243,7 @@ static inline void rps_lock_irq_disable( static inline void rps_unlock_irq_restore(struct softnet_data *sd, unsigned long *flags) { @@ -73,7 +73,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> spin_unlock_irqrestore(&sd->input_pkt_queue.lock, *flags); else if (!IS_ENABLED(CONFIG_PREEMPT_RT)) local_irq_restore(*flags); -@@ -270,7 +270,7 @@ static inline void rps_unlock_irq_restor +@@ -251,7 +251,7 @@ static inline void rps_unlock_irq_restor static inline void rps_unlock_irq_enable(struct softnet_data *sd) { @@ -82,7 +82,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> spin_unlock_irq(&sd->input_pkt_queue.lock); else if (!IS_ENABLED(CONFIG_PREEMPT_RT)) local_irq_enable(); -@@ -4753,6 +4753,23 @@ static void napi_schedule_rps(struct sof +@@ -4728,6 +4728,23 @@ static void napi_schedule_rps(struct sof __napi_schedule_irqoff(&mysd->backlog); } @@ -108,7 +108,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> #endif --- a/net/core/skbuff.c +++ b/net/core/skbuff.c -@@ -6929,8 +6929,8 @@ nodefer: __kfree_skb(skb); +@@ -7050,8 +7050,8 @@ nodefer: __kfree_skb(skb); /* Make sure to trigger NET_RX_SOFTIRQ on the remote CPU * if we are unlucky enough (this seems very unlikely). */ |