| /Linux-v6.1/arch/arm64/include/asm/ |
| D | preempt.h | 13 return READ_ONCE(current_thread_info()->preempt.count); in preempt_count()
19 WRITE_ONCE(current_thread_info()->preempt.count, pc); in preempt_count_set()
32 current_thread_info()->preempt.need_resched = 0; in set_preempt_need_resched()
37 current_thread_info()->preempt.need_resched = 1; in clear_preempt_need_resched()
42 return !current_thread_info()->preempt.need_resched; in test_preempt_need_resched()
47 u32 pc = READ_ONCE(current_thread_info()->preempt.count); in __preempt_count_add()
49 WRITE_ONCE(current_thread_info()->preempt.count, pc); in __preempt_count_add()
54 u32 pc = READ_ONCE(current_thread_info()->preempt.count); in __preempt_count_sub()
56 WRITE_ONCE(current_thread_info()->preempt.count, pc); in __preempt_count_sub()
65 WRITE_ONCE(ti->preempt.count, --pc); in __preempt_count_dec_and_test()
|
| D | thread_info.h | 39 } preempt; member
|
| /Linux-v6.1/init/ |
| D | Makefile | 27 preempt-flag-$(CONFIG_PREEMPT_BUILD) := PREEMPT
28 preempt-flag-$(CONFIG_PREEMPT_DYNAMIC) := PREEMPT_DYNAMIC
29 preempt-flag-$(CONFIG_PREEMPT_RT) := PREEMPT_RT
36 …utsver=$$(echo '$(pound)'"$(build-version)" $(smp-flag-y) $(preempt-flag-y) "$(build-timestamp)" |…
|
| /Linux-v6.1/tools/testing/selftests/ftrace/test.d/preemptirq/ |
| D | irqsoff_tracer.tc | 36 modprobe $MOD test_mode=preempt delay=500000 || fail
38 modprobe $MOD test_mode=preempt delay=500000 || fail
40 modprobe $MOD test_mode=preempt delay=500000 || fail
|
| /Linux-v6.1/include/linux/ |
| D | rcupdate.h | 182 # define rcu_tasks_classic_qs(t, preempt) \ argument
184 if (!(preempt) && READ_ONCE((t)->rcu_tasks_holdout)) \
190 # define rcu_tasks_classic_qs(t, preempt) do { } while (0) argument
219 #define rcu_tasks_qs(t, preempt) \ argument
221 rcu_tasks_classic_qs((t), (preempt)); \
234 #define rcu_tasks_classic_qs(t, preempt) do { } while (0) argument
235 #define rcu_tasks_qs(t, preempt) do { } while (0) argument
|
| D | rcutiny.h | 130 #define rcu_note_context_switch(preempt) \ argument
133 rcu_tasks_qs(current, (preempt)); \
|
| D | rcutree.h | 21 void rcu_note_context_switch(bool preempt);
|
| D | parport.h | 142 int (*preempt)(void *); member
362 int (*preempt)(void *); member
|
| /Linux-v6.1/Documentation/locking/ |
| D | preempt-locking.rst | 53 Note, some FPU functions are already explicitly preempt safe. For example,
77 preempt_enable() decrement the preempt counter
78 preempt_disable() increment the preempt counter
79 preempt_enable_no_resched() decrement, but do not immediately preempt
81 preempt_count() return the preempt counter
85 call to preempt_enable. The preempt statements define to nothing if
94 a reschedule if the preempt count is 0. A simple printk() might trigger a
121 This code is not preempt-safe, but see how easily we can fix it by simply
|
| D | index.rst | 20 preempt-locking
|
| /Linux-v6.1/drivers/gpu/drm/msm/adreno/ |
| D | a5xx_preempt.c | 135 a5xx_gpu->preempt[ring->id]->wptr = get_wptr(ring); in a5xx_preempt_trigger()
208 a5xx_gpu->preempt[i]->wptr = 0; in a5xx_preempt_hw_init()
209 a5xx_gpu->preempt[i]->rptr = 0; in a5xx_preempt_hw_init()
210 a5xx_gpu->preempt[i]->rbase = gpu->rb[i]->iova; in a5xx_preempt_hw_init()
253 a5xx_gpu->preempt[ring->id] = ptr; in preempt_init_ring()
|
| D | a5xx_gpu.h | 35 struct a5xx_preempt_record *preempt[MSM_GPU_MAX_RINGS]; member
|
| /Linux-v6.1/samples/trace_events/ |
| D | trace_custom_sched.h | 27 TP_PROTO(bool preempt,
32 TP_ARGS(preempt, prev, next, prev_state),
|
| /Linux-v6.1/Documentation/trace/rv/ |
| D | monitor_wip.rst | 39 do not trace (preempt count >= 1)
44 do not trace (preempt count >= 1)
|
| /Linux-v6.1/tools/lib/traceevent/Documentation/ |
| D | libtraceevent-event_print.txt | 54 . : The preempt count is zero.
57 preempt count, when non zero, will prevent the kernel
58 from scheduling out the current task. The preempt count
|
| /Linux-v6.1/include/trace/events/ |
| D | sched.h | 190 static inline long __trace_sched_switch_state(bool preempt, in __trace_sched_switch_state() argument
204 if (preempt) in __trace_sched_switch_state()
224 TP_PROTO(bool preempt,
229 TP_ARGS(preempt, prev, next, prev_state),
245 __entry->prev_state = __trace_sched_switch_state(preempt, prev_state, prev);
|
| /Linux-v6.1/Documentation/translations/zh_CN/locking/ |
| D | index.rst | 30 * preempt-locking
|
| /Linux-v6.1/kernel/trace/rv/monitors/wwnr/ |
| D | wwnr.c | 21 static void handle_switch(void *data, bool preempt, struct task_struct *p, in handle_switch() argument
|
| /Linux-v6.1/drivers/parport/ |
| D | share.c | 707 if (!par_dev_cb->preempt || !par_dev_cb->wakeup) { in parport_register_dev_model()
748 par_dev->preempt = par_dev_cb->preempt; in parport_register_dev_model()
992 if (oldcad->preempt) { in parport_claim()
993 if (oldcad->preempt(oldcad->private)) in parport_claim()
|
| /Linux-v6.1/kernel/rcu/ |
| D | tree_plugin.h | 310 void rcu_note_context_switch(bool preempt) in rcu_note_context_switch() argument
318 …WARN_ONCE(!preempt && rcu_preempt_depth() > 0, "Voluntary context switch within RCU read-side crit… in rcu_note_context_switch()
357 rcu_tasks_qs(current, preempt); in rcu_note_context_switch()
891 void rcu_note_context_switch(bool preempt) in rcu_note_context_switch() argument
902 rcu_tasks_qs(current, preempt); in rcu_note_context_switch()
|
| /Linux-v6.1/arch/um/include/asm/ |
| D | Kbuild | 23 generic-y += preempt.h
|
| /Linux-v6.1/kernel/trace/ |
| D | trace_sched_switch.c | 24 probe_sched_switch(void *ignore, bool preempt, in probe_sched_switch() argument
|
| /Linux-v6.1/Documentation/power/ |
| D | tricks.rst | 12 * turn off APIC and preempt
|
| /Linux-v6.1/Documentation/trace/ |
| D | ftrace.rst | 867 # || / _--=> preempt-depth
908 # latency: 259 us, #4/4, CPU#2 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4)
920 # ||| / _--=> preempt-depth
985 preempt-depth: The level of preempt_disabled
1206 Shows the interrupt, preempt count, need resched data.
1380 # latency: 16 us, #4/4, CPU#0 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4)
1392 # ||| / _--=> preempt-depth
1431 # latency: 71 us, #168/168, CPU#3 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4)
1443 # ||| / _--=> preempt-depth
1520 # || / _--=> preempt-depth
[all …]
|
| D | ring-buffer-design.rst | 98 same time, nor can a reader preempt/interrupt another reader. A reader
99 cannot preempt/interrupt a writer, but it may read/consume from the
104 A writer can preempt a reader, but a reader cannot preempt a writer.
486 and writes only preempt in "stack" formation.
604 must spin, and this is why the reader cannot preempt the writer::
657 As stated before, if enough writes preempt the first write, the
|
