Context |
Check |
Description |
bpf/vmtest-bpf-PR |
fail
|
merge-conflict
|
netdev/tree_selection |
success
|
Guessing tree name failed - patch did not apply, async
|
bpf/vmtest-bpf-VM_Test-10 |
success
|
Logs for aarch64-gcc / veristat
|
bpf/vmtest-bpf-VM_Test-8 |
success
|
Logs for aarch64-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on aarch64 with gcc
|
bpf/vmtest-bpf-VM_Test-27 |
fail
|
Logs for x86_64-gcc / veristat / veristat on x86_64 with gcc
|
bpf/vmtest-bpf-VM_Test-17 |
success
|
Logs for s390x-gcc / veristat
|
bpf/vmtest-bpf-VM_Test-19 |
success
|
Logs for x86_64-gcc / build / build for x86_64 with gcc
|
bpf/vmtest-bpf-VM_Test-41 |
success
|
Logs for x86_64-llvm-18 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-18
|
bpf/vmtest-bpf-VM_Test-9 |
success
|
Logs for aarch64-gcc / test (test_verifier, false, 360) / test_verifier on aarch64 with gcc
|
bpf/vmtest-bpf-VM_Test-20 |
success
|
Logs for x86_64-gcc / build-release
|
bpf/vmtest-bpf-VM_Test-4 |
success
|
Logs for aarch64-gcc / build / build for aarch64 with gcc
|
bpf/vmtest-bpf-VM_Test-33 |
success
|
Logs for x86_64-llvm-17 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-17
|
bpf/vmtest-bpf-VM_Test-24 |
success
|
Logs for x86_64-gcc / test (test_progs_no_alu32_parallel, true, 30) / test_progs_no_alu32_parallel on x86_64 with gcc
|
bpf/vmtest-bpf-VM_Test-30 |
success
|
Logs for x86_64-llvm-17 / test (test_maps, false, 360) / test_maps on x86_64 with llvm-17
|
bpf/vmtest-bpf-VM_Test-16 |
success
|
Logs for s390x-gcc / test (test_verifier, false, 360) / test_verifier on s390x with gcc
|
bpf/vmtest-bpf-VM_Test-35 |
success
|
Logs for x86_64-llvm-18 / build / build for x86_64 with llvm-18
|
bpf/vmtest-bpf-VM_Test-12 |
success
|
Logs for s390x-gcc / build-release
|
bpf/vmtest-bpf-VM_Test-29 |
success
|
Logs for x86_64-llvm-17 / build-release / build for x86_64 with llvm-17 and -O2 optimization
|
bpf/vmtest-bpf-VM_Test-7 |
success
|
Logs for aarch64-gcc / test (test_progs, false, 360) / test_progs on aarch64 with gcc
|
bpf/vmtest-bpf-VM_Test-25 |
success
|
Logs for x86_64-gcc / test (test_progs_parallel, true, 30) / test_progs_parallel on x86_64 with gcc
|
bpf/vmtest-bpf-VM_Test-14 |
success
|
Logs for s390x-gcc / test (test_progs, false, 360) / test_progs on s390x with gcc
|
bpf/vmtest-bpf-VM_Test-21 |
success
|
Logs for x86_64-gcc / test (test_maps, false, 360) / test_maps on x86_64 with gcc
|
bpf/vmtest-bpf-VM_Test-23 |
success
|
Logs for x86_64-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with gcc
|
bpf/vmtest-bpf-VM_Test-0 |
success
|
Logs for Lint
|
bpf/vmtest-bpf-VM_Test-37 |
success
|
Logs for x86_64-llvm-18 / test (test_maps, false, 360) / test_maps on x86_64 with llvm-18
|
bpf/vmtest-bpf-VM_Test-3 |
success
|
Logs for Validate matrix.py
|
bpf/vmtest-bpf-VM_Test-6 |
success
|
Logs for aarch64-gcc / test (test_maps, false, 360) / test_maps on aarch64 with gcc
|
bpf/vmtest-bpf-VM_Test-40 |
success
|
Logs for x86_64-llvm-18 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-18
|
bpf/vmtest-bpf-VM_Test-42 |
success
|
Logs for x86_64-llvm-18 / veristat
|
bpf/vmtest-bpf-VM_Test-28 |
success
|
Logs for x86_64-llvm-17 / build / build for x86_64 with llvm-17
|
bpf/vmtest-bpf-VM_Test-5 |
success
|
Logs for aarch64-gcc / build-release
|
bpf/vmtest-bpf-VM_Test-39 |
success
|
Logs for x86_64-llvm-18 / test (test_progs_cpuv4, false, 360) / test_progs_cpuv4 on x86_64 with llvm-18
|
bpf/vmtest-bpf-VM_Test-18 |
success
|
Logs for set-matrix
|
bpf/vmtest-bpf-VM_Test-2 |
success
|
Logs for Unittests
|
bpf/vmtest-bpf-VM_Test-11 |
success
|
Logs for s390x-gcc / build / build for s390x with gcc
|
bpf/vmtest-bpf-VM_Test-1 |
success
|
Logs for ShellCheck
|
bpf/vmtest-bpf-VM_Test-36 |
success
|
Logs for x86_64-llvm-18 / build-release / build for x86_64 with llvm-18 and -O2 optimization
|
bpf/vmtest-bpf-VM_Test-38 |
success
|
Logs for x86_64-llvm-18 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-18
|
bpf/vmtest-bpf-VM_Test-22 |
success
|
Logs for x86_64-gcc / test (test_progs, false, 360) / test_progs on x86_64 with gcc
|
bpf/vmtest-bpf-VM_Test-13 |
success
|
Logs for s390x-gcc / test (test_maps, false, 360) / test_maps on s390x with gcc
|
bpf/vmtest-bpf-VM_Test-26 |
success
|
Logs for x86_64-gcc / test (test_verifier, false, 360) / test_verifier on x86_64 with gcc
|
bpf/vmtest-bpf-VM_Test-15 |
fail
|
Logs for s390x-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on s390x with gcc
|
bpf/vmtest-bpf-VM_Test-34 |
success
|
Logs for x86_64-llvm-17 / veristat
|
bpf/vmtest-bpf-VM_Test-32 |
success
|
Logs for x86_64-llvm-17 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-17
|
bpf/vmtest-bpf-VM_Test-31 |
success
|
Logs for x86_64-llvm-17 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-17
|
@@ -25,6 +25,7 @@
#include <linux/workqueue.h>
#include <linux/kthread.h>
#include <linux/capability.h>
+#include <linux/completion.h>
#include <trace/events/xdp.h>
#include <linux/netdevice.h> /* netif_receive_skb_core */
@@ -69,6 +70,7 @@ struct bpf_cpu_map_entry {
struct rcu_head rcu;
struct work_struct kthread_stop_wq;
+ struct completion kthread_running;
};
struct bpf_cpu_map {
@@ -213,7 +215,6 @@ static void put_cpu_map_entry(struct bpf_cpu_map_entry *rcpu)
static void cpu_map_kthread_stop(struct work_struct *work)
{
struct bpf_cpu_map_entry *rcpu;
- int err;
rcpu = container_of(work, struct bpf_cpu_map_entry, kthread_stop_wq);
@@ -223,14 +224,7 @@ static void cpu_map_kthread_stop(struct work_struct *work)
rcu_barrier();
/* kthread_stop will wake_up_process and wait for it to complete */
- err = kthread_stop(rcpu->kthread);
- if (err) {
- /* kthread_stop may be called before cpu_map_kthread_run
- * is executed, so we need to release the memory related
- * to rcpu.
- */
- put_cpu_map_entry(rcpu);
- }
+ kthread_stop(rcpu->kthread);
}
static int cpu_map_bpf_prog_run_xdp(struct bpf_cpu_map_entry *rcpu,
@@ -308,6 +302,7 @@ static int cpu_map_kthread_run(void *data)
{
struct bpf_cpu_map_entry *rcpu = data;
+ complete(&rcpu->kthread_running);
set_current_state(TASK_INTERRUPTIBLE);
/* When kthread gives stop order, then rcpu have been disconnected
@@ -462,6 +457,7 @@ __cpu_map_entry_alloc(struct bpf_cpumap_val *value, u32 cpu, int map_id)
goto free_ptr_ring;
/* Setup kthread */
+ init_completion(&rcpu->kthread_running);
rcpu->kthread = kthread_create_on_node(cpu_map_kthread_run, rcpu, numa,
"cpumap/%d/map:%d", cpu, map_id);
if (IS_ERR(rcpu->kthread))
@@ -474,6 +470,12 @@ __cpu_map_entry_alloc(struct bpf_cpumap_val *value, u32 cpu, int map_id)
kthread_bind(rcpu->kthread, cpu);
wake_up_process(rcpu->kthread);
+ /* Make sure kthread has been running, so kthread_stop() will not
+ * stop the kthread prematurely and all pending frames or skbs
+ * will be handled by the kthread before kthread_stop() returns.
+ */
+ wait_for_completion(&rcpu->kthread_running);
+
return rcpu;
free_prog: