diff options
| author | Jiri Kosina <jkosina@suse.com> | 2025-09-19 17:08:20 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.com> | 2025-09-19 17:08:36 +0200 |
| commit | 71b28769d708f20046fc6f853cf93fb88a8b6e11 (patch) | |
| tree | e579afda01909585ed70bb477233b0f4f72dabac /kernel/trace/ring_buffer.c | |
| parent | 1860b13beca829c056179c63530eebfec9a3efb4 (diff) | |
| parent | 02d6eeedbc36d4b309d5518778071a749ef79c4e (diff) | |
Merge remote-tracking branch 'origin' into for-6.18/intel-thc-hid
Needed as a basisi for followup support for quicki2c advanced BIOS features.
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 5176e0270f07..43460949ad3f 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -4812,26 +4812,26 @@ int ring_buffer_write(struct trace_buffer *buffer, int ret = -EBUSY; int cpu; - preempt_disable_notrace(); + guard(preempt_notrace)(); if (atomic_read(&buffer->record_disabled)) - goto out; + return -EBUSY; cpu = raw_smp_processor_id(); if (!cpumask_test_cpu(cpu, buffer->cpumask)) - goto out; + return -EBUSY; cpu_buffer = buffer->buffers[cpu]; if (atomic_read(&cpu_buffer->record_disabled)) - goto out; + return -EBUSY; if (length > buffer->max_data_size) - goto out; + return -EBUSY; if (unlikely(trace_recursive_lock(cpu_buffer))) - goto out; + return -EBUSY; event = rb_reserve_next_event(buffer, cpu_buffer, length); if (!event) @@ -4849,10 +4849,6 @@ int ring_buffer_write(struct trace_buffer *buffer, out_unlock: trace_recursive_unlock(cpu_buffer); - - out: - preempt_enable_notrace(); - return ret; } EXPORT_SYMBOL_GPL(ring_buffer_write); @@ -7670,7 +7666,7 @@ static __init int test_ringbuffer(void) rb_test_started = true; set_current_state(TASK_INTERRUPTIBLE); - /* Just run for 10 seconds */; + /* Just run for 10 seconds */ schedule_timeout(10 * HZ); kthread_stop(rb_hammer); |