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142781e1 TG |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __LINUX_ENTRYCOMMON_H | |
3 | #define __LINUX_ENTRYCOMMON_H | |
4 | ||
40607ee9 | 5 | #include <linux/static_call_types.h> |
153474ba | 6 | #include <linux/ptrace.h> |
142781e1 TG |
7 | #include <linux/syscalls.h> |
8 | #include <linux/seccomp.h> | |
9 | #include <linux/sched.h> | |
10 | ||
11 | #include <asm/entry-common.h> | |
12 | ||
13 | /* | |
14 | * Define dummy _TIF work flags if not defined by the architecture or for | |
15 | * disabled functionality. | |
16 | */ | |
a9f3a74a TG |
17 | #ifndef _TIF_PATCH_PENDING |
18 | # define _TIF_PATCH_PENDING (0) | |
19 | #endif | |
20 | ||
21 | #ifndef _TIF_UPROBE | |
22 | # define _TIF_UPROBE (0) | |
23 | #endif | |
24 | ||
142781e1 | 25 | /* |
29915524 | 26 | * SYSCALL_WORK flags handled in syscall_enter_from_user_mode() |
142781e1 | 27 | */ |
29915524 GKB |
28 | #ifndef ARCH_SYSCALL_WORK_ENTER |
29 | # define ARCH_SYSCALL_WORK_ENTER (0) | |
142781e1 TG |
30 | #endif |
31 | ||
a9f3a74a | 32 | /* |
29915524 | 33 | * SYSCALL_WORK flags handled in syscall_exit_to_user_mode() |
a9f3a74a | 34 | */ |
29915524 GKB |
35 | #ifndef ARCH_SYSCALL_WORK_EXIT |
36 | # define ARCH_SYSCALL_WORK_EXIT (0) | |
a9f3a74a TG |
37 | #endif |
38 | ||
524666cb | 39 | #define SYSCALL_WORK_ENTER (SYSCALL_WORK_SECCOMP | \ |
64c19ba2 | 40 | SYSCALL_WORK_SYSCALL_TRACEPOINT | \ |
64eb35f7 | 41 | SYSCALL_WORK_SYSCALL_TRACE | \ |
785dc4eb | 42 | SYSCALL_WORK_SYSCALL_EMU | \ |
29915524 | 43 | SYSCALL_WORK_SYSCALL_AUDIT | \ |
11894468 | 44 | SYSCALL_WORK_SYSCALL_USER_DISPATCH | \ |
29915524 | 45 | ARCH_SYSCALL_WORK_ENTER) |
64c19ba2 | 46 | #define SYSCALL_WORK_EXIT (SYSCALL_WORK_SYSCALL_TRACEPOINT | \ |
785dc4eb | 47 | SYSCALL_WORK_SYSCALL_TRACE | \ |
29915524 | 48 | SYSCALL_WORK_SYSCALL_AUDIT | \ |
11894468 | 49 | SYSCALL_WORK_SYSCALL_USER_DISPATCH | \ |
6342adca | 50 | SYSCALL_WORK_SYSCALL_EXIT_TRAP | \ |
29915524 | 51 | ARCH_SYSCALL_WORK_EXIT) |
b86678cf | 52 | |
a9f3a74a TG |
53 | /* |
54 | * TIF flags handled in exit_to_user_mode_loop() | |
55 | */ | |
56 | #ifndef ARCH_EXIT_TO_USER_MODE_WORK | |
57 | # define ARCH_EXIT_TO_USER_MODE_WORK (0) | |
58 | #endif | |
59 | ||
60 | #define EXIT_TO_USER_MODE_WORK \ | |
61 | (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ | |
12db8b69 | 62 | _TIF_NEED_RESCHED | _TIF_PATCH_PENDING | _TIF_NOTIFY_SIGNAL | \ |
a9f3a74a TG |
63 | ARCH_EXIT_TO_USER_MODE_WORK) |
64 | ||
142781e1 | 65 | /** |
6d97af48 | 66 | * arch_enter_from_user_mode - Architecture specific sanity check for user mode regs |
142781e1 TG |
67 | * @regs: Pointer to currents pt_regs |
68 | * | |
69 | * Defaults to an empty implementation. Can be replaced by architecture | |
70 | * specific code. | |
71 | * | |
72 | * Invoked from syscall_enter_from_user_mode() in the non-instrumentable | |
73 | * section. Use __always_inline so the compiler cannot push it out of line | |
74 | * and make it instrumentable. | |
75 | */ | |
6d97af48 | 76 | static __always_inline void arch_enter_from_user_mode(struct pt_regs *regs); |
142781e1 | 77 | |
6d97af48 SS |
78 | #ifndef arch_enter_from_user_mode |
79 | static __always_inline void arch_enter_from_user_mode(struct pt_regs *regs) {} | |
142781e1 TG |
80 | #endif |
81 | ||
96e2fbcc SS |
82 | /** |
83 | * enter_from_user_mode - Establish state when coming from user mode | |
84 | * | |
85 | * Syscall/interrupt entry disables interrupts, but user mode is traced as | |
86 | * interrupts enabled. Also with NO_HZ_FULL RCU might be idle. | |
87 | * | |
88 | * 1) Tell lockdep that interrupts are disabled | |
89 | * 2) Invoke context tracking if enabled to reactivate RCU | |
90 | * 3) Trace interrupts off state | |
91 | * | |
92 | * Invoked from architecture specific syscall entry code with interrupts | |
93 | * disabled. The calling code has to be non-instrumentable. When the | |
94 | * function returns all state is correct and interrupts are still | |
95 | * disabled. The subsequent functions can be instrumented. | |
96 | * | |
97 | * This is invoked when there is architecture specific functionality to be | |
98 | * done between establishing state and enabling interrupts. The caller must | |
99 | * enable interrupts before invoking syscall_enter_from_user_mode_work(). | |
100 | */ | |
101 | void enter_from_user_mode(struct pt_regs *regs); | |
102 | ||
142781e1 | 103 | /** |
4facb95b | 104 | * syscall_enter_from_user_mode_prepare - Establish state and enable interrupts |
142781e1 | 105 | * @regs: Pointer to currents pt_regs |
142781e1 TG |
106 | * |
107 | * Invoked from architecture specific syscall entry code with interrupts | |
108 | * disabled. The calling code has to be non-instrumentable. When the | |
4facb95b TG |
109 | * function returns all state is correct, interrupts are enabled and the |
110 | * subsequent functions can be instrumented. | |
111 | * | |
96e2fbcc SS |
112 | * This handles lockdep, RCU (context tracking) and tracing state, i.e. |
113 | * the functionality provided by enter_from_user_mode(). | |
4facb95b TG |
114 | * |
115 | * This is invoked when there is extra architecture specific functionality | |
116 | * to be done between establishing state and handling user mode entry work. | |
117 | */ | |
118 | void syscall_enter_from_user_mode_prepare(struct pt_regs *regs); | |
119 | ||
120 | /** | |
121 | * syscall_enter_from_user_mode_work - Check and handle work before invoking | |
122 | * a syscall | |
123 | * @regs: Pointer to currents pt_regs | |
124 | * @syscall: The syscall number | |
125 | * | |
126 | * Invoked from architecture specific syscall entry code with interrupts | |
127 | * enabled after invoking syscall_enter_from_user_mode_prepare() and extra | |
128 | * architecture specific work. | |
142781e1 TG |
129 | * |
130 | * Returns: The original or a modified syscall number | |
131 | * | |
132 | * If the returned syscall number is -1 then the syscall should be | |
133 | * skipped. In this case the caller may invoke syscall_set_error() or | |
134 | * syscall_set_return_value() first. If neither of those are called and -1 | |
135 | * is returned, then the syscall will fail with ENOSYS. | |
136 | * | |
4facb95b | 137 | * It handles the following work items: |
142781e1 | 138 | * |
29915524 | 139 | * 1) syscall_work flag dependent invocations of |
0cfcb2b9 | 140 | * ptrace_report_syscall_entry(), __secure_computing(), trace_sys_enter() |
4facb95b TG |
141 | * 2) Invocation of audit_syscall_entry() |
142 | */ | |
143 | long syscall_enter_from_user_mode_work(struct pt_regs *regs, long syscall); | |
144 | ||
145 | /** | |
146 | * syscall_enter_from_user_mode - Establish state and check and handle work | |
147 | * before invoking a syscall | |
148 | * @regs: Pointer to currents pt_regs | |
149 | * @syscall: The syscall number | |
150 | * | |
151 | * Invoked from architecture specific syscall entry code with interrupts | |
152 | * disabled. The calling code has to be non-instrumentable. When the | |
153 | * function returns all state is correct, interrupts are enabled and the | |
154 | * subsequent functions can be instrumented. | |
155 | * | |
156 | * This is combination of syscall_enter_from_user_mode_prepare() and | |
157 | * syscall_enter_from_user_mode_work(). | |
158 | * | |
159 | * Returns: The original or a modified syscall number. See | |
160 | * syscall_enter_from_user_mode_work() for further explanation. | |
142781e1 TG |
161 | */ |
162 | long syscall_enter_from_user_mode(struct pt_regs *regs, long syscall); | |
163 | ||
a9f3a74a TG |
164 | /** |
165 | * local_irq_enable_exit_to_user - Exit to user variant of local_irq_enable() | |
166 | * @ti_work: Cached TIF flags gathered with interrupts disabled | |
167 | * | |
168 | * Defaults to local_irq_enable(). Can be supplied by architecture specific | |
169 | * code. | |
170 | */ | |
171 | static inline void local_irq_enable_exit_to_user(unsigned long ti_work); | |
172 | ||
173 | #ifndef local_irq_enable_exit_to_user | |
174 | static inline void local_irq_enable_exit_to_user(unsigned long ti_work) | |
175 | { | |
176 | local_irq_enable(); | |
177 | } | |
178 | #endif | |
179 | ||
180 | /** | |
181 | * local_irq_disable_exit_to_user - Exit to user variant of local_irq_disable() | |
182 | * | |
183 | * Defaults to local_irq_disable(). Can be supplied by architecture specific | |
184 | * code. | |
185 | */ | |
186 | static inline void local_irq_disable_exit_to_user(void); | |
187 | ||
188 | #ifndef local_irq_disable_exit_to_user | |
189 | static inline void local_irq_disable_exit_to_user(void) | |
190 | { | |
191 | local_irq_disable(); | |
192 | } | |
193 | #endif | |
194 | ||
195 | /** | |
196 | * arch_exit_to_user_mode_work - Architecture specific TIF work for exit | |
197 | * to user mode. | |
198 | * @regs: Pointer to currents pt_regs | |
199 | * @ti_work: Cached TIF flags gathered with interrupts disabled | |
200 | * | |
201 | * Invoked from exit_to_user_mode_loop() with interrupt enabled | |
202 | * | |
203 | * Defaults to NOOP. Can be supplied by architecture specific code. | |
204 | */ | |
205 | static inline void arch_exit_to_user_mode_work(struct pt_regs *regs, | |
206 | unsigned long ti_work); | |
207 | ||
208 | #ifndef arch_exit_to_user_mode_work | |
209 | static inline void arch_exit_to_user_mode_work(struct pt_regs *regs, | |
210 | unsigned long ti_work) | |
211 | { | |
212 | } | |
213 | #endif | |
214 | ||
215 | /** | |
216 | * arch_exit_to_user_mode_prepare - Architecture specific preparation for | |
217 | * exit to user mode. | |
218 | * @regs: Pointer to currents pt_regs | |
219 | * @ti_work: Cached TIF flags gathered with interrupts disabled | |
220 | * | |
221 | * Invoked from exit_to_user_mode_prepare() with interrupt disabled as the last | |
222 | * function before return. Defaults to NOOP. | |
223 | */ | |
224 | static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs, | |
225 | unsigned long ti_work); | |
226 | ||
227 | #ifndef arch_exit_to_user_mode_prepare | |
228 | static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs, | |
229 | unsigned long ti_work) | |
230 | { | |
231 | } | |
232 | #endif | |
233 | ||
234 | /** | |
235 | * arch_exit_to_user_mode - Architecture specific final work before | |
236 | * exit to user mode. | |
237 | * | |
238 | * Invoked from exit_to_user_mode() with interrupt disabled as the last | |
239 | * function before return. Defaults to NOOP. | |
240 | * | |
241 | * This needs to be __always_inline because it is non-instrumentable code | |
242 | * invoked after context tracking switched to user mode. | |
243 | * | |
244 | * An architecture implementation must not do anything complex, no locking | |
245 | * etc. The main purpose is for speculation mitigations. | |
246 | */ | |
247 | static __always_inline void arch_exit_to_user_mode(void); | |
248 | ||
249 | #ifndef arch_exit_to_user_mode | |
250 | static __always_inline void arch_exit_to_user_mode(void) { } | |
251 | #endif | |
252 | ||
253 | /** | |
12db8b69 | 254 | * arch_do_signal_or_restart - Architecture specific signal delivery function |
a9f3a74a TG |
255 | * @regs: Pointer to currents pt_regs |
256 | * | |
257 | * Invoked from exit_to_user_mode_loop(). | |
258 | */ | |
8ba62d37 | 259 | void arch_do_signal_or_restart(struct pt_regs *regs); |
a9f3a74a | 260 | |
310de1a6 SS |
261 | /** |
262 | * exit_to_user_mode - Fixup state when exiting to user mode | |
263 | * | |
264 | * Syscall/interrupt exit enables interrupts, but the kernel state is | |
265 | * interrupts disabled when this is invoked. Also tell RCU about it. | |
266 | * | |
267 | * 1) Trace interrupts on state | |
268 | * 2) Invoke context tracking if enabled to adjust RCU state | |
269 | * 3) Invoke architecture specific last minute exit code, e.g. speculation | |
270 | * mitigations, etc.: arch_exit_to_user_mode() | |
271 | * 4) Tell lockdep that interrupts are enabled | |
272 | * | |
273 | * Invoked from architecture specific code when syscall_exit_to_user_mode() | |
274 | * is not suitable as the last step before returning to userspace. Must be | |
275 | * invoked with interrupts disabled and the caller must be | |
276 | * non-instrumentable. | |
c6156e1d | 277 | * The caller has to invoke syscall_exit_to_user_mode_work() before this. |
310de1a6 SS |
278 | */ |
279 | void exit_to_user_mode(void); | |
280 | ||
c6156e1d SS |
281 | /** |
282 | * syscall_exit_to_user_mode_work - Handle work before returning to user mode | |
283 | * @regs: Pointer to currents pt_regs | |
284 | * | |
285 | * Same as step 1 and 2 of syscall_exit_to_user_mode() but without calling | |
286 | * exit_to_user_mode() to perform the final transition to user mode. | |
287 | * | |
288 | * Calling convention is the same as for syscall_exit_to_user_mode() and it | |
289 | * returns with all work handled and interrupts disabled. The caller must | |
290 | * invoke exit_to_user_mode() before actually switching to user mode to | |
291 | * make the final state transitions. Interrupts must stay disabled between | |
292 | * return from this function and the invocation of exit_to_user_mode(). | |
293 | */ | |
294 | void syscall_exit_to_user_mode_work(struct pt_regs *regs); | |
295 | ||
a9f3a74a TG |
296 | /** |
297 | * syscall_exit_to_user_mode - Handle work before returning to user mode | |
298 | * @regs: Pointer to currents pt_regs | |
299 | * | |
300 | * Invoked with interrupts enabled and fully valid regs. Returns with all | |
301 | * work handled, interrupts disabled such that the caller can immediately | |
302 | * switch to user mode. Called from architecture specific syscall and ret | |
303 | * from fork code. | |
304 | * | |
305 | * The call order is: | |
306 | * 1) One-time syscall exit work: | |
307 | * - rseq syscall exit | |
308 | * - audit | |
309 | * - syscall tracing | |
0cfcb2b9 | 310 | * - ptrace (single stepping) |
a9f3a74a TG |
311 | * |
312 | * 2) Preparatory work | |
313 | * - Exit to user mode loop (common TIF handling). Invokes | |
314 | * arch_exit_to_user_mode_work() for architecture specific TIF work | |
315 | * - Architecture specific one time work arch_exit_to_user_mode_prepare() | |
316 | * - Address limit and lockdep checks | |
317 | * | |
310de1a6 SS |
318 | * 3) Final transition (lockdep, tracing, context tracking, RCU), i.e. the |
319 | * functionality in exit_to_user_mode(). | |
c6156e1d SS |
320 | * |
321 | * This is a combination of syscall_exit_to_user_mode_work() (1,2) and | |
322 | * exit_to_user_mode(). This function is preferred unless there is a | |
97258ce9 | 323 | * compelling architectural reason to use the separate functions. |
a9f3a74a TG |
324 | */ |
325 | void syscall_exit_to_user_mode(struct pt_regs *regs); | |
326 | ||
142781e1 TG |
327 | /** |
328 | * irqentry_enter_from_user_mode - Establish state before invoking the irq handler | |
329 | * @regs: Pointer to currents pt_regs | |
330 | * | |
331 | * Invoked from architecture specific entry code with interrupts disabled. | |
332 | * Can only be called when the interrupt entry came from user mode. The | |
333 | * calling code must be non-instrumentable. When the function returns all | |
334 | * state is correct and the subsequent functions can be instrumented. | |
335 | * | |
336 | * The function establishes state (lockdep, RCU (context tracking), tracing) | |
337 | */ | |
338 | void irqentry_enter_from_user_mode(struct pt_regs *regs); | |
339 | ||
a9f3a74a TG |
340 | /** |
341 | * irqentry_exit_to_user_mode - Interrupt exit work | |
342 | * @regs: Pointer to current's pt_regs | |
343 | * | |
97258ce9 | 344 | * Invoked with interrupts disabled and fully valid regs. Returns with all |
a9f3a74a TG |
345 | * work handled, interrupts disabled such that the caller can immediately |
346 | * switch to user mode. Called from architecture specific interrupt | |
347 | * handling code. | |
348 | * | |
349 | * The call order is #2 and #3 as described in syscall_exit_to_user_mode(). | |
350 | * Interrupt exit is not invoking #1 which is the syscall specific one time | |
351 | * work. | |
352 | */ | |
353 | void irqentry_exit_to_user_mode(struct pt_regs *regs); | |
354 | ||
a5497bab | 355 | #ifndef irqentry_state |
b6be002b TG |
356 | /** |
357 | * struct irqentry_state - Opaque object for exception state storage | |
358 | * @exit_rcu: Used exclusively in the irqentry_*() calls; signals whether the | |
6f0e6c15 | 359 | * exit path has to invoke ct_irq_exit(). |
b6be002b TG |
360 | * @lockdep: Used exclusively in the irqentry_nmi_*() calls; ensures that |
361 | * lockdep state is restored correctly on exit from nmi. | |
362 | * | |
363 | * This opaque object is filled in by the irqentry_*_enter() functions and | |
364 | * must be passed back into the corresponding irqentry_*_exit() functions | |
365 | * when the exception is complete. | |
366 | * | |
367 | * Callers of irqentry_*_[enter|exit]() must consider this structure opaque | |
368 | * and all members private. Descriptions of the members are provided to aid in | |
369 | * the maintenance of the irqentry_*() functions. | |
370 | */ | |
a5497bab | 371 | typedef struct irqentry_state { |
b6be002b TG |
372 | union { |
373 | bool exit_rcu; | |
374 | bool lockdep; | |
375 | }; | |
a5497bab TG |
376 | } irqentry_state_t; |
377 | #endif | |
378 | ||
379 | /** | |
380 | * irqentry_enter - Handle state tracking on ordinary interrupt entries | |
381 | * @regs: Pointer to pt_regs of interrupted context | |
382 | * | |
383 | * Invokes: | |
384 | * - lockdep irqflag state tracking as low level ASM entry disabled | |
385 | * interrupts. | |
386 | * | |
387 | * - Context tracking if the exception hit user mode. | |
388 | * | |
389 | * - The hardirq tracer to keep the state consistent as low level ASM | |
390 | * entry disabled interrupts. | |
391 | * | |
392 | * As a precondition, this requires that the entry came from user mode, | |
393 | * idle, or a kernel context in which RCU is watching. | |
394 | * | |
395 | * For kernel mode entries RCU handling is done conditional. If RCU is | |
396 | * watching then the only RCU requirement is to check whether the tick has | |
6f0e6c15 FW |
397 | * to be restarted. If RCU is not watching then ct_irq_enter() has to be |
398 | * invoked on entry and ct_irq_exit() on exit. | |
a5497bab | 399 | * |
6f0e6c15 | 400 | * Avoiding the ct_irq_enter/exit() calls is an optimization but also |
a5497bab | 401 | * solves the problem of kernel mode pagefaults which can schedule, which |
6f0e6c15 | 402 | * is not possible after invoking ct_irq_enter() without undoing it. |
a5497bab TG |
403 | * |
404 | * For user mode entries irqentry_enter_from_user_mode() is invoked to | |
405 | * establish the proper context for NOHZ_FULL. Otherwise scheduling on exit | |
406 | * would not be possible. | |
407 | * | |
408 | * Returns: An opaque object that must be passed to idtentry_exit() | |
409 | */ | |
410 | irqentry_state_t noinstr irqentry_enter(struct pt_regs *regs); | |
411 | ||
412 | /** | |
413 | * irqentry_exit_cond_resched - Conditionally reschedule on return from interrupt | |
414 | * | |
415 | * Conditional reschedule with additional sanity checks. | |
416 | */ | |
4624a14f | 417 | void raw_irqentry_exit_cond_resched(void); |
40607ee9 | 418 | #ifdef CONFIG_PREEMPT_DYNAMIC |
99cf983c | 419 | #if defined(CONFIG_HAVE_PREEMPT_DYNAMIC_CALL) |
4624a14f | 420 | #define irqentry_exit_cond_resched_dynamic_enabled raw_irqentry_exit_cond_resched |
8a69fe0b | 421 | #define irqentry_exit_cond_resched_dynamic_disabled NULL |
4624a14f MR |
422 | DECLARE_STATIC_CALL(irqentry_exit_cond_resched, raw_irqentry_exit_cond_resched); |
423 | #define irqentry_exit_cond_resched() static_call(irqentry_exit_cond_resched)() | |
99cf983c MR |
424 | #elif defined(CONFIG_HAVE_PREEMPT_DYNAMIC_KEY) |
425 | DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched); | |
426 | void dynamic_irqentry_exit_cond_resched(void); | |
427 | #define irqentry_exit_cond_resched() dynamic_irqentry_exit_cond_resched() | |
40607ee9 | 428 | #endif |
99cf983c MR |
429 | #else /* CONFIG_PREEMPT_DYNAMIC */ |
430 | #define irqentry_exit_cond_resched() raw_irqentry_exit_cond_resched() | |
431 | #endif /* CONFIG_PREEMPT_DYNAMIC */ | |
a5497bab TG |
432 | |
433 | /** | |
434 | * irqentry_exit - Handle return from exception that used irqentry_enter() | |
435 | * @regs: Pointer to pt_regs (exception entry regs) | |
436 | * @state: Return value from matching call to irqentry_enter() | |
437 | * | |
438 | * Depending on the return target (kernel/user) this runs the necessary | |
78a56e04 | 439 | * preemption and work checks if possible and required and returns to |
a5497bab TG |
440 | * the caller with interrupts disabled and no further work pending. |
441 | * | |
442 | * This is the last action before returning to the low level ASM code which | |
443 | * just needs to return to the appropriate context. | |
444 | * | |
445 | * Counterpart to irqentry_enter(). | |
446 | */ | |
447 | void noinstr irqentry_exit(struct pt_regs *regs, irqentry_state_t state); | |
448 | ||
b6be002b TG |
449 | /** |
450 | * irqentry_nmi_enter - Handle NMI entry | |
451 | * @regs: Pointer to currents pt_regs | |
452 | * | |
453 | * Similar to irqentry_enter() but taking care of the NMI constraints. | |
454 | */ | |
455 | irqentry_state_t noinstr irqentry_nmi_enter(struct pt_regs *regs); | |
456 | ||
457 | /** | |
458 | * irqentry_nmi_exit - Handle return from NMI handling | |
459 | * @regs: Pointer to pt_regs (NMI entry regs) | |
460 | * @irq_state: Return value from matching call to irqentry_nmi_enter() | |
461 | * | |
78a56e04 | 462 | * Last action before returning to the low level assembly code. |
b6be002b TG |
463 | * |
464 | * Counterpart to irqentry_nmi_enter(). | |
465 | */ | |
466 | void noinstr irqentry_nmi_exit(struct pt_regs *regs, irqentry_state_t irq_state); | |
467 | ||
142781e1 | 468 | #endif |