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Diffstat (limited to 'kernel/bpf/cpumap.c')
-rw-r--r--kernel/bpf/cpumap.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index 8a0bb80fe48a..a8e34416e960 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -24,6 +24,7 @@
#include <linux/filter.h>
#include <linux/ptr_ring.h>
#include <net/xdp.h>
+#include <net/hotdata.h>
#include <linux/sched.h>
#include <linux/workqueue.h>
@@ -178,7 +179,7 @@ static int cpu_map_bpf_prog_run_xdp(struct bpf_cpu_map_entry *rcpu,
void **frames, int n,
struct xdp_cpumap_stats *stats)
{
- struct xdp_rxq_info rxq;
+ struct xdp_rxq_info rxq = {};
struct xdp_buff xdp;
int i, nframes = 0;
@@ -262,6 +263,7 @@ static int cpu_map_bpf_prog_run(struct bpf_cpu_map_entry *rcpu, void **frames,
static int cpu_map_kthread_run(void *data)
{
struct bpf_cpu_map_entry *rcpu = data;
+ unsigned long last_qs = jiffies;
complete(&rcpu->kthread_running);
set_current_state(TASK_INTERRUPTIBLE);
@@ -287,10 +289,12 @@ static int cpu_map_kthread_run(void *data)
if (__ptr_ring_empty(rcpu->queue)) {
schedule();
sched = 1;
+ last_qs = jiffies;
} else {
__set_current_state(TASK_RUNNING);
}
} else {
+ rcu_softirq_qs_periodic(last_qs);
sched = cond_resched();
}
@@ -326,7 +330,8 @@ static int cpu_map_kthread_run(void *data)
/* Support running another XDP prog on this CPU */
nframes = cpu_map_bpf_prog_run(rcpu, frames, xdp_n, &stats, &list);
if (nframes) {
- m = kmem_cache_alloc_bulk(skbuff_cache, gfp, nframes, skbs);
+ m = kmem_cache_alloc_bulk(net_hotdata.skbuff_cache,
+ gfp, nframes, skbs);
if (unlikely(m == 0)) {
for (i = 0; i < nframes; i++)
skbs[i] = NULL; /* effect: xdp_return_frame */