WARNING: line length of 82 exceeds 80 columns
#112: FILE: kernel/bpf/helpers.c:3741:
+	ctx = bpf_mem_alloc(&bpf_global_ma, sizeof(struct bpf_task_work_context));

WARNING: line length of 97 exceeds 80 columns
#120: FILE: kernel/bpf/helpers.c:3749:
+	struct bpf_task_work_context *ctx = container_of(rcu, struct bpf_task_work_context, rcu);

WARNING: line length of 99 exceeds 80 columns
#129: FILE: kernel/bpf/helpers.c:3758:
+	struct bpf_task_work_context *ctx = container_of(head, struct bpf_task_work_context, work);

WARNING: line length of 98 exceeds 80 columns
#150: FILE: kernel/bpf/helpers.c:3779:
+	 * Read lock is needed to protect map key and value access below, it has to be done before

WARNING: line length of 91 exceeds 80 columns
#155: FILE: kernel/bpf/helpers.c:3784:
+	 * This callback may start running before bpf_task_work_irq() switched the state to

WARNING: line length of 88 exceeds 80 columns
#156: FILE: kernel/bpf/helpers.c:3785:
+	 * SCHEDULED so handle both transition variants SCHEDULING|SCHEDULED -> RUNNING.

WARNING: line length of 84 exceeds 80 columns
#197: FILE: kernel/bpf/helpers.c:3826:
+			call_rcu_tasks_trace(&ctx->rcu, bpf_task_work_context_free);

WARNING: line length of 93 exceeds 80 columns
#201: FILE: kernel/bpf/helpers.c:3830:
+	if (state == BPF_TW_FREED && task_work_cancel_match(ctx->task, task_work_match, ctx))

WARNING: line length of 86 exceeds 80 columns
#202: FILE: kernel/bpf/helpers.c:3831:
+		goto free_context; /* successful cancellation, release and free ctx */

WARNING: line length of 92 exceeds 80 columns
#210: FILE: kernel/bpf/helpers.c:3839:
+static struct bpf_task_work_context *bpf_task_work_context_acquire(struct bpf_task_work *tw,

WARNING: line length of 87 exceeds 80 columns
#211: FILE: kernel/bpf/helpers.c:3840:
+								   struct bpf_map *map)

WARNING: line length of 82 exceeds 80 columns
#227: FILE: kernel/bpf/helpers.c:3856:
+		old_ctx = unrcu_pointer(cmpxchg(ppc, NULL, RCU_INITIALIZER(ctx)));

WARNING: line length of 85 exceeds 80 columns
#248: FILE: kernel/bpf/helpers.c:3877:
+static int bpf_task_work_schedule(struct task_struct *task, struct bpf_task_work *tw,

WARNING: line length of 92 exceeds 80 columns
#249: FILE: kernel/bpf/helpers.c:3878:
+				  struct bpf_map *map, bpf_task_work_callback_t callback_fn,

WARNING: line length of 92 exceeds 80 columns
#250: FILE: kernel/bpf/helpers.c:3879:
+				  struct bpf_prog_aux *aux, enum task_work_notify_mode mode)

WARNING: line length of 97 exceeds 80 columns
#306: FILE: kernel/bpf/helpers.c:3936:
+__bpf_kfunc int bpf_task_work_schedule_signal(struct task_struct *task, struct bpf_task_work *tw,

WARNING: line length of 97 exceeds 80 columns
#310: FILE: kernel/bpf/helpers.c:3938:
+					      bpf_task_work_callback_t callback, void *aux__prog)

WARNING: line length of 91 exceeds 80 columns
#313: FILE: kernel/bpf/helpers.c:3940:
+	return bpf_task_work_schedule(task, tw, map__map, callback, aux__prog, TWA_SIGNAL);

WARNING: line length of 97 exceeds 80 columns
#323: FILE: kernel/bpf/helpers.c:3954:
+__bpf_kfunc int bpf_task_work_schedule_resume(struct task_struct *task, struct bpf_task_work *tw,

WARNING: line length of 97 exceeds 80 columns
#327: FILE: kernel/bpf/helpers.c:3956:
+					      bpf_task_work_callback_t callback, void *aux__prog)

WARNING: line length of 85 exceeds 80 columns
#333: FILE: kernel/bpf/helpers.c:3961:
+	return bpf_task_work_schedule(task, tw, map__map, callback, aux__prog, mode);

WARNING: line length of 82 exceeds 80 columns
#344: FILE: kernel/bpf/helpers.c:3972:
+	/* No need do rcu_read_lock as no other codepath can reset this pointer */

WARNING: line length of 97 exceeds 80 columns
#345: FILE: kernel/bpf/helpers.c:3973:
+	ctx = unrcu_pointer(xchg((struct bpf_task_work_context __force __rcu **)&tw->ctx, NULL));

WARNING: line length of 98 exceeds 80 columns
#352: FILE: kernel/bpf/helpers.c:3980:
+		/* If we can't cancel task work, rely on task work callback to free the context */

WARNING: line length of 96 exceeds 80 columns
#360: FILE: kernel/bpf/helpers.c:3988:
+	/* In all below cases scheduling logic should detect context state change and cleanup */

total: 0 errors, 25 warnings, 0 checks, 310 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 3705bdb8fdca ("bpf: task work scheduling kfuncs") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 25 warnings, 0 checks, 310 lines checked