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authorHans de Goede <hdegoede@redhat.com>2024-09-05 16:51:58 +0200
committerHans de Goede <hdegoede@redhat.com>2024-09-05 16:57:36 +0200
commit56d8b784c56588cd40f98e4b1d4f6e29e3cb02b8 (patch)
tree5edd10e48440fcbb5a76bbb9b78dc1706b3d5cec /kernel/task_work.c
parent3a1fb526c2482b2f61c9813e9e14fcdab4ffa390 (diff)
parenta54da9df75cd1b4b5028f6c60f9a211532680585 (diff)
Merge tag 'hwmon-for-v6.11-rc7' into review-hans
Merge "hwmon fixes for v6.11-rc7" into review-hans to bring in commit a54da9df75cd ("hwmon: (hp-wmi-sensors) Check if WMI event data exists"). This is a dependency for a set of WMI event data refactoring changes.
Diffstat (limited to 'kernel/task_work.c')
-rw-r--r--kernel/task_work.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/task_work.c b/kernel/task_work.c
index 5c2daa7ad3f9..5d14d639ac71 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -6,12 +6,14 @@
static struct callback_head work_exited; /* all we need is ->next == NULL */
+#ifdef CONFIG_IRQ_WORK
static void task_work_set_notify_irq(struct irq_work *entry)
{
test_and_set_tsk_thread_flag(current, TIF_NOTIFY_RESUME);
}
static DEFINE_PER_CPU(struct irq_work, irq_work_NMI_resume) =
IRQ_WORK_INIT_HARD(task_work_set_notify_irq);
+#endif
/**
* task_work_add - ask the @task to execute @work->func()
@@ -57,6 +59,8 @@ int task_work_add(struct task_struct *task, struct callback_head *work,
if (notify == TWA_NMI_CURRENT) {
if (WARN_ON_ONCE(task != current))
return -EINVAL;
+ if (!IS_ENABLED(CONFIG_IRQ_WORK))
+ return -EINVAL;
} else {
/* record the work call stack in order to print it in KASAN reports */
kasan_record_aux_stack(work);
@@ -81,9 +85,11 @@ int task_work_add(struct task_struct *task, struct callback_head *work,
case TWA_SIGNAL_NO_IPI:
__set_notify_signal(task);
break;
+#ifdef CONFIG_IRQ_WORK
case TWA_NMI_CURRENT:
irq_work_queue(this_cpu_ptr(&irq_work_NMI_resume));
break;
+#endif
default:
WARN_ON_ONCE(1);
break;