diff options
author | Martin Pärtel <martin.partel@gmail.com> | 2012-08-01 18:49:17 -0400 |
---|---|---|
committer | Richard Weinberger <richard@nod.at> | 2012-08-01 18:49:17 -0400 |
commit | d3c1cfcdb43e023ab1b1c7a555cd9e929026500a (patch) | |
tree | ad79f90d97a0316ae4058e4501e7b6ad54540ff4 | |
parent | d4afcba95fca4dd0f831fe72c1fa4f0638f23765 (diff) |
um: pass siginfo to guest process
UML guest processes now get correct siginfo_t for SIGTRAP, SIGFPE,
SIGILL and SIGBUS. Specifically, si_addr and si_code are now correct
where previously they were si_addr = NULL and si_code = 128.
Signed-off-by: Martin Pärtel <martin.partel@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
-rw-r--r-- | arch/um/include/shared/as-layout.h | 3 | ||||
-rw-r--r-- | arch/um/include/shared/irq_user.h | 3 | ||||
-rw-r--r-- | arch/um/include/shared/kern_util.h | 13 | ||||
-rw-r--r-- | arch/um/kernel/irq.c | 2 | ||||
-rw-r--r-- | arch/um/kernel/time.c | 2 | ||||
-rw-r--r-- | arch/um/kernel/trap.c | 39 | ||||
-rw-r--r-- | arch/um/os-Linux/internal.h | 2 | ||||
-rw-r--r-- | arch/um/os-Linux/signal.c | 26 | ||||
-rw-r--r-- | arch/um/os-Linux/skas/process.c | 13 | ||||
-rw-r--r-- | arch/um/os-Linux/time.c | 2 |
10 files changed, 71 insertions, 34 deletions
diff --git a/arch/um/include/shared/as-layout.h b/arch/um/include/shared/as-layout.h index 896e16602176..86daa5461815 100644 --- a/arch/um/include/shared/as-layout.h +++ b/arch/um/include/shared/as-layout.h | |||
@@ -60,7 +60,8 @@ extern unsigned long host_task_size; | |||
60 | 60 | ||
61 | extern int linux_main(int argc, char **argv); | 61 | extern int linux_main(int argc, char **argv); |
62 | 62 | ||
63 | extern void (*sig_info[])(int, struct uml_pt_regs *); | 63 | struct siginfo; |
64 | extern void (*sig_info[])(int, struct siginfo *si, struct uml_pt_regs *); | ||
64 | 65 | ||
65 | #endif | 66 | #endif |
66 | 67 | ||
diff --git a/arch/um/include/shared/irq_user.h b/arch/um/include/shared/irq_user.h index c6c784df2673..2b6d703925b5 100644 --- a/arch/um/include/shared/irq_user.h +++ b/arch/um/include/shared/irq_user.h | |||
@@ -20,7 +20,8 @@ struct irq_fd { | |||
20 | 20 | ||
21 | enum { IRQ_READ, IRQ_WRITE }; | 21 | enum { IRQ_READ, IRQ_WRITE }; |
22 | 22 | ||
23 | extern void sigio_handler(int sig, struct uml_pt_regs *regs); | 23 | struct siginfo; |
24 | extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); | ||
24 | extern void free_irq_by_fd(int fd); | 25 | extern void free_irq_by_fd(int fd); |
25 | extern void reactivate_fd(int fd, int irqnum); | 26 | extern void reactivate_fd(int fd, int irqnum); |
26 | extern void deactivate_fd(int fd, int irqnum); | 27 | extern void deactivate_fd(int fd, int irqnum); |
diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h index 00965d06d2ca..af6b6dc868ba 100644 --- a/arch/um/include/shared/kern_util.h +++ b/arch/um/include/shared/kern_util.h | |||
@@ -9,6 +9,8 @@ | |||
9 | #include "sysdep/ptrace.h" | 9 | #include "sysdep/ptrace.h" |
10 | #include "sysdep/faultinfo.h" | 10 | #include "sysdep/faultinfo.h" |
11 | 11 | ||
12 | struct siginfo; | ||
13 | |||
12 | extern int uml_exitcode; | 14 | extern int uml_exitcode; |
13 | 15 | ||
14 | extern int ncpus; | 16 | extern int ncpus; |
@@ -22,7 +24,7 @@ extern void free_stack(unsigned long stack, int order); | |||
22 | 24 | ||
23 | extern int do_signal(void); | 25 | extern int do_signal(void); |
24 | extern void interrupt_end(void); | 26 | extern void interrupt_end(void); |
25 | extern void relay_signal(int sig, struct uml_pt_regs *regs); | 27 | extern void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs); |
26 | 28 | ||
27 | extern unsigned long segv(struct faultinfo fi, unsigned long ip, | 29 | extern unsigned long segv(struct faultinfo fi, unsigned long ip, |
28 | int is_user, struct uml_pt_regs *regs); | 30 | int is_user, struct uml_pt_regs *regs); |
@@ -33,9 +35,8 @@ extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs); | |||
33 | extern int smp_sigio_handler(void); | 35 | extern int smp_sigio_handler(void); |
34 | extern void initial_thread_cb(void (*proc)(void *), void *arg); | 36 | extern void initial_thread_cb(void (*proc)(void *), void *arg); |
35 | extern int is_syscall(unsigned long addr); | 37 | extern int is_syscall(unsigned long addr); |
36 | extern void timer_handler(int sig, struct uml_pt_regs *regs); | ||
37 | 38 | ||
38 | extern void timer_handler(int sig, struct uml_pt_regs *regs); | 39 | extern void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); |
39 | 40 | ||
40 | extern int start_uml(void); | 41 | extern int start_uml(void); |
41 | extern void paging_init(void); | 42 | extern void paging_init(void); |
@@ -59,9 +60,9 @@ extern unsigned long from_irq_stack(int nested); | |||
59 | extern void syscall_trace(struct uml_pt_regs *regs, int entryexit); | 60 | extern void syscall_trace(struct uml_pt_regs *regs, int entryexit); |
60 | extern int singlestepping(void *t); | 61 | extern int singlestepping(void *t); |
61 | 62 | ||
62 | extern void segv_handler(int sig, struct uml_pt_regs *regs); | 63 | extern void segv_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); |
63 | extern void bus_handler(int sig, struct uml_pt_regs *regs); | 64 | extern void bus_handler(int sig, struct siginfo *si, struct uml_pt_regs *regs); |
64 | extern void winch(int sig, struct uml_pt_regs *regs); | 65 | extern void winch(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); |
65 | extern void fatal_sigsegv(void) __attribute__ ((noreturn)); | 66 | extern void fatal_sigsegv(void) __attribute__ ((noreturn)); |
66 | 67 | ||
67 | 68 | ||
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index 00506c3d5d6e..9883026f0730 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c | |||
@@ -30,7 +30,7 @@ static struct irq_fd **last_irq_ptr = &active_fds; | |||
30 | 30 | ||
31 | extern void free_irqs(void); | 31 | extern void free_irqs(void); |
32 | 32 | ||
33 | void sigio_handler(int sig, struct uml_pt_regs *regs) | 33 | void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) |
34 | { | 34 | { |
35 | struct irq_fd *irq_fd; | 35 | struct irq_fd *irq_fd; |
36 | int n; | 36 | int n; |
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index d1a23fb3190d..5f76d4ba151c 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c | |||
@@ -13,7 +13,7 @@ | |||
13 | #include "kern_util.h" | 13 | #include "kern_util.h" |
14 | #include "os.h" | 14 | #include "os.h" |
15 | 15 | ||
16 | void timer_handler(int sig, struct uml_pt_regs *regs) | 16 | void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) |
17 | { | 17 | { |
18 | unsigned long flags; | 18 | unsigned long flags; |
19 | 19 | ||
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index 3be60765c0e2..0353b98ae35a 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c | |||
@@ -172,7 +172,7 @@ void fatal_sigsegv(void) | |||
172 | os_dump_core(); | 172 | os_dump_core(); |
173 | } | 173 | } |
174 | 174 | ||
175 | void segv_handler(int sig, struct uml_pt_regs *regs) | 175 | void segv_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) |
176 | { | 176 | { |
177 | struct faultinfo * fi = UPT_FAULTINFO(regs); | 177 | struct faultinfo * fi = UPT_FAULTINFO(regs); |
178 | 178 | ||
@@ -258,8 +258,11 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, | |||
258 | return 0; | 258 | return 0; |
259 | } | 259 | } |
260 | 260 | ||
261 | void relay_signal(int sig, struct uml_pt_regs *regs) | 261 | void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs) |
262 | { | 262 | { |
263 | struct faultinfo *fi; | ||
264 | struct siginfo clean_si; | ||
265 | |||
263 | if (!UPT_IS_USER(regs)) { | 266 | if (!UPT_IS_USER(regs)) { |
264 | if (sig == SIGBUS) | 267 | if (sig == SIGBUS) |
265 | printk(KERN_ERR "Bus error - the host /dev/shm or /tmp " | 268 | printk(KERN_ERR "Bus error - the host /dev/shm or /tmp " |
@@ -269,18 +272,40 @@ void relay_signal(int sig, struct uml_pt_regs *regs) | |||
269 | 272 | ||
270 | arch_examine_signal(sig, regs); | 273 | arch_examine_signal(sig, regs); |
271 | 274 | ||
272 | current->thread.arch.faultinfo = *UPT_FAULTINFO(regs); | 275 | memset(&clean_si, 0, sizeof(clean_si)); |
273 | force_sig(sig, current); | 276 | clean_si.si_signo = si->si_signo; |
277 | clean_si.si_errno = si->si_errno; | ||
278 | clean_si.si_code = si->si_code; | ||
279 | switch (sig) { | ||
280 | case SIGILL: | ||
281 | case SIGFPE: | ||
282 | case SIGSEGV: | ||
283 | case SIGBUS: | ||
284 | case SIGTRAP: | ||
285 | fi = UPT_FAULTINFO(regs); | ||
286 | clean_si.si_addr = (void __user *) FAULT_ADDRESS(*fi); | ||
287 | current->thread.arch.faultinfo = *fi; | ||
288 | #ifdef __ARCH_SI_TRAPNO | ||
289 | clean_si.si_trapno = si->si_trapno; | ||
290 | #endif | ||
291 | break; | ||
292 | default: | ||
293 | printk(KERN_ERR "Attempted to relay unknown signal %d (si_code = %d)\n", | ||
294 | sig, si->si_code); | ||
295 | } | ||
296 | |||
297 | force_sig_info(sig, &clean_si, current); | ||
274 | } | 298 | } |
275 | 299 | ||
276 | void bus_handler(int sig, struct uml_pt_regs *regs) | 300 | void bus_handler(int sig, struct siginfo *si, struct uml_pt_regs *regs) |
277 | { | 301 | { |
278 | if (current->thread.fault_catcher != NULL) | 302 | if (current->thread.fault_catcher != NULL) |
279 | UML_LONGJMP(current->thread.fault_catcher, 1); | 303 | UML_LONGJMP(current->thread.fault_catcher, 1); |
280 | else relay_signal(sig, regs); | 304 | else |
305 | relay_signal(sig, si, regs); | ||
281 | } | 306 | } |
282 | 307 | ||
283 | void winch(int sig, struct uml_pt_regs *regs) | 308 | void winch(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) |
284 | { | 309 | { |
285 | do_IRQ(WINCH_IRQ, regs); | 310 | do_IRQ(WINCH_IRQ, regs); |
286 | } | 311 | } |
diff --git a/arch/um/os-Linux/internal.h b/arch/um/os-Linux/internal.h index 2c3c3ecd8c01..0dc2c9f135f6 100644 --- a/arch/um/os-Linux/internal.h +++ b/arch/um/os-Linux/internal.h | |||
@@ -1 +1 @@ | |||
void alarm_handler(int, mcontext_t *); | void alarm_handler(int sig, struct siginfo *unused_si, mcontext_t *mc); | ||
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index 2d22f1fcd8e2..6366ce904b9b 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c | |||
@@ -13,8 +13,9 @@ | |||
13 | #include "kern_util.h" | 13 | #include "kern_util.h" |
14 | #include "os.h" | 14 | #include "os.h" |
15 | #include "sysdep/mcontext.h" | 15 | #include "sysdep/mcontext.h" |
16 | #include "internal.h" | ||
16 | 17 | ||
17 | void (*sig_info[NSIG])(int, struct uml_pt_regs *) = { | 18 | void (*sig_info[NSIG])(int, siginfo_t *, struct uml_pt_regs *) = { |
18 | [SIGTRAP] = relay_signal, | 19 | [SIGTRAP] = relay_signal, |
19 | [SIGFPE] = relay_signal, | 20 | [SIGFPE] = relay_signal, |
20 | [SIGILL] = relay_signal, | 21 | [SIGILL] = relay_signal, |
@@ -24,7 +25,7 @@ void (*sig_info[NSIG])(int, struct uml_pt_regs *) = { | |||
24 | [SIGIO] = sigio_handler, | 25 | [SIGIO] = sigio_handler, |
25 | [SIGVTALRM] = timer_handler }; | 26 | [SIGVTALRM] = timer_handler }; |
26 | 27 | ||
27 | static void sig_handler_common(int sig, mcontext_t *mc) | 28 | static void sig_handler_common(int sig, siginfo_t *si, mcontext_t *mc) |
28 | { | 29 | { |
29 | struct uml_pt_regs r; | 30 | struct uml_pt_regs r; |
30 | int save_errno = errno; | 31 | int save_errno = errno; |
@@ -40,7 +41,7 @@ static void sig_handler_common(int sig, mcontext_t *mc) | |||
40 | if ((sig != SIGIO) && (sig != SIGWINCH) && (sig != SIGVTALRM)) | 41 | if ((sig != SIGIO) && (sig != SIGWINCH) && (sig != SIGVTALRM)) |
41 | unblock_signals(); | 42 | unblock_signals(); |
42 | 43 | ||
43 | (*sig_info[sig])(sig, &r); | 44 | (*sig_info[sig])(sig, si, &r); |
44 | 45 | ||
45 | errno = save_errno; | 46 | errno = save_errno; |
46 | } | 47 | } |
@@ -60,7 +61,7 @@ static void sig_handler_common(int sig, mcontext_t *mc) | |||
60 | static int signals_enabled; | 61 | static int signals_enabled; |
61 | static unsigned int signals_pending; | 62 | static unsigned int signals_pending; |
62 | 63 | ||
63 | void sig_handler(int sig, mcontext_t *mc) | 64 | void sig_handler(int sig, siginfo_t *si, mcontext_t *mc) |
64 | { | 65 | { |
65 | int enabled; | 66 | int enabled; |
66 | 67 | ||
@@ -72,7 +73,7 @@ void sig_handler(int sig, mcontext_t *mc) | |||
72 | 73 | ||
73 | block_signals(); | 74 | block_signals(); |
74 | 75 | ||
75 | sig_handler_common(sig, mc); | 76 | sig_handler_common(sig, si, mc); |
76 | 77 | ||
77 | set_signals(enabled); | 78 | set_signals(enabled); |
78 | } | 79 | } |
@@ -85,10 +86,10 @@ static void real_alarm_handler(mcontext_t *mc) | |||
85 | get_regs_from_mc(®s, mc); | 86 | get_regs_from_mc(®s, mc); |
86 | regs.is_user = 0; | 87 | regs.is_user = 0; |
87 | unblock_signals(); | 88 | unblock_signals(); |
88 | timer_handler(SIGVTALRM, ®s); | 89 | timer_handler(SIGVTALRM, NULL, ®s); |
89 | } | 90 | } |
90 | 91 | ||
91 | void alarm_handler(int sig, mcontext_t *mc) | 92 | void alarm_handler(int sig, struct siginfo *unused_si, mcontext_t *mc) |
92 | { | 93 | { |
93 | int enabled; | 94 | int enabled; |
94 | 95 | ||
@@ -119,7 +120,7 @@ void set_sigstack(void *sig_stack, int size) | |||
119 | panic("enabling signal stack failed, errno = %d\n", errno); | 120 | panic("enabling signal stack failed, errno = %d\n", errno); |
120 | } | 121 | } |
121 | 122 | ||
122 | static void (*handlers[_NSIG])(int sig, mcontext_t *mc) = { | 123 | static void (*handlers[_NSIG])(int sig, siginfo_t *si, mcontext_t *mc) = { |
123 | [SIGSEGV] = sig_handler, | 124 | [SIGSEGV] = sig_handler, |
124 | [SIGBUS] = sig_handler, | 125 | [SIGBUS] = sig_handler, |
125 | [SIGILL] = sig_handler, | 126 | [SIGILL] = sig_handler, |
@@ -132,7 +133,7 @@ static void (*handlers[_NSIG])(int sig, mcontext_t *mc) = { | |||
132 | }; | 133 | }; |
133 | 134 | ||
134 | 135 | ||
135 | static void hard_handler(int sig, siginfo_t *info, void *p) | 136 | static void hard_handler(int sig, siginfo_t *si, void *p) |
136 | { | 137 | { |
137 | struct ucontext *uc = p; | 138 | struct ucontext *uc = p; |
138 | mcontext_t *mc = &uc->uc_mcontext; | 139 | mcontext_t *mc = &uc->uc_mcontext; |
@@ -161,7 +162,7 @@ static void hard_handler(int sig, siginfo_t *info, void *p) | |||
161 | while ((sig = ffs(pending)) != 0){ | 162 | while ((sig = ffs(pending)) != 0){ |
162 | sig--; | 163 | sig--; |
163 | pending &= ~(1 << sig); | 164 | pending &= ~(1 << sig); |
164 | (*handlers[sig])(sig, mc); | 165 | (*handlers[sig])(sig, si, mc); |
165 | } | 166 | } |
166 | 167 | ||
167 | /* | 168 | /* |
@@ -273,9 +274,12 @@ void unblock_signals(void) | |||
273 | * Deal with SIGIO first because the alarm handler might | 274 | * Deal with SIGIO first because the alarm handler might |
274 | * schedule, leaving the pending SIGIO stranded until we come | 275 | * schedule, leaving the pending SIGIO stranded until we come |
275 | * back here. | 276 | * back here. |
277 | * | ||
278 | * SIGIO's handler doesn't use siginfo or mcontext, | ||
279 | * so they can be NULL. | ||
276 | */ | 280 | */ |
277 | if (save_pending & SIGIO_MASK) | 281 | if (save_pending & SIGIO_MASK) |
278 | sig_handler_common(SIGIO, NULL); | 282 | sig_handler_common(SIGIO, NULL, NULL); |
279 | 283 | ||
280 | if (save_pending & SIGVTALRM_MASK) | 284 | if (save_pending & SIGVTALRM_MASK) |
281 | real_alarm_handler(NULL); | 285 | real_alarm_handler(NULL); |
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 2687f1f3a709..d93bb40499f7 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c | |||
@@ -346,6 +346,7 @@ void userspace(struct uml_pt_regs *regs) | |||
346 | int err, status, op, pid = userspace_pid[0]; | 346 | int err, status, op, pid = userspace_pid[0]; |
347 | /* To prevent races if using_sysemu changes under us.*/ | 347 | /* To prevent races if using_sysemu changes under us.*/ |
348 | int local_using_sysemu; | 348 | int local_using_sysemu; |
349 | siginfo_t si; | ||
349 | 350 | ||
350 | /* Handle any immediate reschedules or signals */ | 351 | /* Handle any immediate reschedules or signals */ |
351 | interrupt_end(); | 352 | interrupt_end(); |
@@ -407,13 +408,17 @@ void userspace(struct uml_pt_regs *regs) | |||
407 | 408 | ||
408 | if (WIFSTOPPED(status)) { | 409 | if (WIFSTOPPED(status)) { |
409 | int sig = WSTOPSIG(status); | 410 | int sig = WSTOPSIG(status); |
411 | |||
412 | ptrace(PTRACE_GETSIGINFO, pid, 0, &si); | ||
413 | |||
410 | switch (sig) { | 414 | switch (sig) { |
411 | case SIGSEGV: | 415 | case SIGSEGV: |
412 | if (PTRACE_FULL_FAULTINFO || | 416 | if (PTRACE_FULL_FAULTINFO || |
413 | !ptrace_faultinfo) { | 417 | !ptrace_faultinfo) { |
414 | get_skas_faultinfo(pid, | 418 | get_skas_faultinfo(pid, |
415 | ®s->faultinfo); | 419 | ®s->faultinfo); |
416 | (*sig_info[SIGSEGV])(SIGSEGV, regs); | 420 | (*sig_info[SIGSEGV])(SIGSEGV, &si, |
421 | regs); | ||
417 | } | 422 | } |
418 | else handle_segv(pid, regs); | 423 | else handle_segv(pid, regs); |
419 | break; | 424 | break; |
@@ -421,14 +426,14 @@ void userspace(struct uml_pt_regs *regs) | |||
421 | handle_trap(pid, regs, local_using_sysemu); | 426 | handle_trap(pid, regs, local_using_sysemu); |
422 | break; | 427 | break; |
423 | case SIGTRAP: | 428 | case SIGTRAP: |
424 | relay_signal(SIGTRAP, regs); | 429 | relay_signal(SIGTRAP, &si, regs); |
425 | break; | 430 | break; |
426 | case SIGVTALRM: | 431 | case SIGVTALRM: |
427 | now = os_nsecs(); | 432 | now = os_nsecs(); |
428 | if (now < nsecs) | 433 | if (now < nsecs) |
429 | break; | 434 | break; |
430 | block_signals(); | 435 | block_signals(); |
431 | (*sig_info[sig])(sig, regs); | 436 | (*sig_info[sig])(sig, &si, regs); |
432 | unblock_signals(); | 437 | unblock_signals(); |
433 | nsecs = timer.it_value.tv_sec * | 438 | nsecs = timer.it_value.tv_sec * |
434 | UM_NSEC_PER_SEC + | 439 | UM_NSEC_PER_SEC + |
@@ -442,7 +447,7 @@ void userspace(struct uml_pt_regs *regs) | |||
442 | case SIGFPE: | 447 | case SIGFPE: |
443 | case SIGWINCH: | 448 | case SIGWINCH: |
444 | block_signals(); | 449 | block_signals(); |
445 | (*sig_info[sig])(sig, regs); | 450 | (*sig_info[sig])(sig, &si, regs); |
446 | unblock_signals(); | 451 | unblock_signals(); |
447 | break; | 452 | break; |
448 | default: | 453 | default: |
diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c index 910499d76a67..f60238559af3 100644 --- a/arch/um/os-Linux/time.c +++ b/arch/um/os-Linux/time.c | |||
@@ -87,7 +87,7 @@ static int after_sleep_interval(struct timespec *ts) | |||
87 | 87 | ||
88 | static void deliver_alarm(void) | 88 | static void deliver_alarm(void) |
89 | { | 89 | { |
90 | alarm_handler(SIGVTALRM, NULL); | 90 | alarm_handler(SIGVTALRM, NULL, NULL); |
91 | } | 91 | } |
92 | 92 | ||
93 | static unsigned long long sleep_time(unsigned long long nsecs) | 93 | static unsigned long long sleep_time(unsigned long long nsecs) |