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| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-10-01 18:09:41 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-10-01 18:09:41 +0200 |
| commit | 2cd86f02c017bf9733e5cd891381b7d40f6f37ad (patch) | |
| tree | 839e63bdf31a2d1ec68fa8d6fb8dc821f8fcf243 /kernel/task_work.c | |
| parent | abf201f6ce14c4ceeccde5471bdf59614b83a3d8 (diff) | |
| parent | 43102a2012c2e2f8424d7eef52aede8e73cf2fed (diff) | |
| download | linux-2cd86f02c017bf9733e5cd891381b7d40f6f37ad.tar.gz linux-2cd86f02c017bf9733e5cd891381b7d40f6f37ad.zip | |
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
Required for a panthor fix that broke when
FOP_UNSIGNED_OFFSET was added in place of FMODE_UNSIGNED_OFFSET.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'kernel/task_work.c')
| -rw-r--r-- | kernel/task_work.c | 6 |
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; |