diff options
Diffstat (limited to 'debian/patches-rt/0198-net-move-xmit_recursion-to-per-task-variable-on-RT.patch')
| -rw-r--r-- | debian/patches-rt/0198-net-move-xmit_recursion-to-per-task-variable-on-RT.patch | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/debian/patches-rt/0198-net-move-xmit_recursion-to-per-task-variable-on-RT.patch b/debian/patches-rt/0198-net-move-xmit_recursion-to-per-task-variable-on-RT.patch index 969707078..caf96c5f5 100644 --- a/debian/patches-rt/0198-net-move-xmit_recursion-to-per-task-variable-on-RT.patch +++ b/debian/patches-rt/0198-net-move-xmit_recursion-to-per-task-variable-on-RT.patch @@ -1,7 +1,7 @@ From: Clark Williams <williams@redhat.com> Date: Fri, 17 Dec 2021 14:31:31 -0600 Subject: [PATCH 198/353] net: move xmit_recursion to per-task variable on -RT -Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=79260e1688dd4ea3eafa5963d4dbaf63c7db5245 +Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=9fcf3310d12df456718d378ff2826b302f35c28b A softirq on -RT can be preempted. That means one task is in __dev_queue_xmit(), gets preempted and another task may enter @@ -156,10 +156,10 @@ index 3bc6b3206e14..7aa299de5ebf 100644 int pagefault_disabled; #ifdef CONFIG_MMU diff --git a/net/core/dev.c b/net/core/dev.c -index 1f73badebddc..8bd9752e16ed 100644 +index 7bce4581d6f0..32e8b237496c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c -@@ -3835,10 +3835,14 @@ static int __dev_queue_xmit(struct sk_buff *skb, struct net_device *sb_dev) +@@ -3837,10 +3837,14 @@ static int __dev_queue_xmit(struct sk_buff *skb, struct net_device *sb_dev) if (dev->flags & IFF_UP) { int cpu = smp_processor_id(); /* ok because BHs are off */ @@ -174,7 +174,7 @@ index 1f73badebddc..8bd9752e16ed 100644 if (dev_xmit_recursion()) goto recursion_alert; -@@ -8596,7 +8600,7 @@ static void netdev_init_one_queue(struct net_device *dev, +@@ -8598,7 +8602,7 @@ static void netdev_init_one_queue(struct net_device *dev, /* Initialize queue lock */ spin_lock_init(&queue->_xmit_lock); netdev_set_xmit_lockdep_class(&queue->_xmit_lock, dev->type); |