Date: Fri, 13 Dec 2019 21:03:13 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r355732 - in head: . share/man/man9 sys/kern sys/netgraph sys/sys Message-ID: <201912132103.xBDL3DX9024547@repo.freebsd.org>
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Author: jhb Date: Fri Dec 13 21:03:12 2019 New Revision: 355732 URL: https://svnweb.freebsd.org/changeset/base/355732 Log: Remove the deprecated timeout(9) interface. All in-tree consumers have been converted to callout(9). Reviewed by: kib, markj Differential Revision: https://reviews.freebsd.org/D22602 Added: head/share/man/man9/callout.9 (contents, props changed) - copied, changed from r355731, head/share/man/man9/timeout.9 Deleted: head/share/man/man9/timeout.9 Modified: head/ObsoleteFiles.inc head/share/man/man9/Makefile head/sys/kern/kern_intr.c head/sys/kern/kern_timeout.c head/sys/netgraph/ng_base.c head/sys/sys/interrupt.h head/sys/sys/param.h head/sys/sys/systm.h Modified: head/ObsoleteFiles.inc ============================================================================== --- head/ObsoleteFiles.inc Fri Dec 13 20:45:45 2019 (r355731) +++ head/ObsoleteFiles.inc Fri Dec 13 21:03:12 2019 (r355732) @@ -36,6 +36,9 @@ # xargs -n1 | sort | uniq -d; # done +# 20191213: remove timeout(9) +OLD_FILES+=usr/share/man/man9/timeout.9.gz +OLD_FILES+=usr/share/man/man9/untimeout.9.gz # 20191128: Removal of trm(4) OLD_FILES+=usr/share/man/man4/trm.4.gz # 20191121: Removal of sio(4) Modified: head/share/man/man9/Makefile ============================================================================== --- head/share/man/man9/Makefile Fri Dec 13 20:45:45 2019 (r355731) +++ head/share/man/man9/Makefile Fri Dec 13 21:03:12 2019 (r355732) @@ -56,6 +56,7 @@ MAN= accept_filter.9 \ BUS_SETUP_INTR.9 \ bus_space.9 \ byteorder.9 \ + callout.9 \ casuword.9 \ cd.9 \ cnv.9 \ @@ -315,7 +316,6 @@ MAN= accept_filter.9 \ tcp_functions.9 \ thread_exit.9 \ time.9 \ - timeout.9 \ tvtohz.9 \ ucred.9 \ uidinfo.9 \ @@ -766,6 +766,30 @@ MLINKS+=byteorder.9 be16dec.9 \ byteorder.9 le64dec.9 \ byteorder.9 le64enc.9 \ byteorder.9 le64toh.9 +MLINKS+=callout.9 callout_active.9 \ + callout.9 callout_async_drain.9 \ + callout.9 callout_deactivate.9 \ + callout.9 callout_drain.9 \ + callout.9 callout_handle_init.9 \ + callout.9 callout_init.9 \ + callout.9 callout_init_mtx.9 \ + callout.9 callout_init_rm.9 \ + callout.9 callout_init_rw.9 \ + callout.9 callout_pending.9 \ + callout.9 callout_reset.9 \ + callout.9 callout_reset_curcpu.9 \ + callout.9 callout_reset_on.9 \ + callout.9 callout_reset_sbt.9 \ + callout.9 callout_reset_sbt_curcpu.9 \ + callout.9 callout_reset_sbt_on.9 \ + callout.9 callout_schedule.9 \ + callout.9 callout_schedule_curcpu.9 \ + callout.9 callout_schedule_on.9 \ + callout.9 callout_schedule_sbt.9 \ + callout.9 callout_schedule_sbt_curcpu.9 \ + callout.9 callout_schedule_sbt_on.9 \ + callout.9 callout_stop.9 \ + callout.9 callout_when.9 MLINKS+=cnv.9 cnvlist.9 \ cnv.9 cnvlist_free_binary.9 \ cnv.9 cnvlist_free_bool.9 \ @@ -2097,32 +2121,6 @@ MLINKS+=tcp_functions.9 register_tcp_functions.9 \ MLINKS+=time.9 boottime.9 \ time.9 time_second.9 \ time.9 time_uptime.9 -MLINKS+=timeout.9 callout.9 \ - timeout.9 callout_active.9 \ - timeout.9 callout_async_drain.9 \ - timeout.9 callout_deactivate.9 \ - timeout.9 callout_drain.9 \ - timeout.9 callout_handle_init.9 \ - timeout.9 callout_init.9 \ - timeout.9 callout_init_mtx.9 \ - timeout.9 callout_init_rm.9 \ - timeout.9 callout_init_rw.9 \ - timeout.9 callout_pending.9 \ - timeout.9 callout_reset.9 \ - timeout.9 callout_reset_curcpu.9 \ - timeout.9 callout_reset_on.9 \ - timeout.9 callout_reset_sbt.9 \ - timeout.9 callout_reset_sbt_curcpu.9 \ - timeout.9 callout_reset_sbt_on.9 \ - timeout.9 callout_schedule.9 \ - timeout.9 callout_schedule_curcpu.9 \ - timeout.9 callout_schedule_on.9 \ - timeout.9 callout_schedule_sbt.9 \ - timeout.9 callout_schedule_sbt_curcpu.9 \ - timeout.9 callout_schedule_sbt_on.9 \ - timeout.9 callout_stop.9 \ - timeout.9 callout_when.9 \ - timeout.9 untimeout.9 MLINKS+=ucred.9 crcopy.9 \ ucred.9 crcopysafe.9 \ ucred.9 crdup.9 \ Copied and modified: head/share/man/man9/callout.9 (from r355731, head/share/man/man9/timeout.9) ============================================================================== --- head/share/man/man9/timeout.9 Fri Dec 13 20:45:45 2019 (r355731, copy source) +++ head/share/man/man9/callout.9 Fri Dec 13 21:03:12 2019 (r355732) @@ -29,8 +29,8 @@ .\" .\" $FreeBSD$ .\" -.Dd December 10, 2019 -.Dt TIMEOUT 9 +.Dd December 13, 2019 +.Dt CALLOUT 9 .Os .Sh NAME .Nm callout_active , @@ -56,17 +56,13 @@ .Nm callout_schedule_sbt_curcpu , .Nm callout_schedule_sbt_on , .Nm callout_stop , -.Nm callout_when , -.Nm timeout , -.Nm untimeout +.Nm callout_when .Nd execute a function after a specified length of time .Sh SYNOPSIS .In sys/types.h .In sys/callout.h -.In sys/systm.h .Bd -literal typedef void callout_func_t (void *); -typedef void timeout_t (void *); .Ed .Ft int .Fn callout_active "struct callout *c" @@ -179,10 +175,6 @@ struct callout_handle handle = CALLOUT_HANDLE_INITIALI .Fa "sbintime_t *sbt_res" .Fa "sbintime_t *precision_res" .Fc -.Ft struct callout_handle -.Fn timeout "timeout_t *func" "void *arg" "int ticks" -.Ft void -.Fn untimeout "timeout_t *func" "void *arg" "struct callout_handle handle" .Sh DESCRIPTION The .Nm callout @@ -808,99 +800,6 @@ should be used. In particular, a callout should always be drained prior to destroying its associated lock or releasing the storage for the callout structure. -.Sh LEGACY API -.Bf Sy -The functions below are a legacy API that will be removed in a future release. -New code should not use these routines. -.Ef -.Pp -The function -.Fn timeout -schedules a call to the function given by the argument -.Fa func -to take place after -.Fa ticks Ns No /hz -seconds. -Non-positive values of -.Fa ticks -are silently converted to the value -.Sq 1 . -.Fa func -should be a pointer to a function that takes a -.Fa void * -argument. -Upon invocation, -.Fa func -will receive -.Fa arg -as its only argument. -The return value from -.Fn timeout -is a -.Ft struct callout_handle -which can be used in conjunction with the -.Fn untimeout -function to request that a scheduled timeout be canceled. -.Pp -The function -.Fn callout_handle_init -can be used to initialize a handle to a state which will cause -any calls to -.Fn untimeout -with that handle to return with no side -effects. -.Pp -Assigning a callout handle the value of -.Fn CALLOUT_HANDLE_INITIALIZER -performs the same function as -.Fn callout_handle_init -and is provided for use on statically declared or global callout handles. -.Pp -The function -.Fn untimeout -cancels the timeout associated with -.Fa handle -using the -.Fa func -and -.Fa arg -arguments to validate the handle. -If the handle does not correspond to a timeout with -the function -.Fa func -taking the argument -.Fa arg -no action is taken. -.Fa handle -must be initialized by a previous call to -.Fn timeout , -.Fn callout_handle_init , -or assigned the value of -.Fn CALLOUT_HANDLE_INITIALIZER "&handle" -before being passed to -.Fn untimeout . -The behavior of calling -.Fn untimeout -with an uninitialized handle -is undefined. -.Pp -As handles are recycled by the system, it is possible (although unlikely) -that a handle from one invocation of -.Fn timeout -may match the handle of another invocation of -.Fn timeout -if both calls used the same function pointer and argument, and the first -timeout is expired or canceled before the second call. -The timeout facility offers O(1) running time for -.Fn timeout -and -.Fn untimeout . -Timeouts are executed from -.Fn softclock -with the -.Va Giant -lock held. -Thus they are protected from re-entrancy. .Sh RETURN VALUES The .Fn callout_active @@ -928,24 +827,28 @@ and functions return a value of one if the callout was still pending when it was called, a zero if the callout could not be stopped and a negative one is it was either not running or has already completed. -The -.Fn timeout -function returns a -.Ft struct callout_handle -that can be passed to -.Fn untimeout . .Sh HISTORY -The current timeout and untimeout routines are based on the work of +.Fx +initially used the long standing +.Bx +linked list +callout mechanism which offered O(n) insertion and removal running time +but did not generate or require handles for untimeout operations. +.Pp +.Fx 3.0 +introduced a new set of timeout and untimeout routines from +.Nx +based on the work of .An Adam M. Costello and .An George Varghese , published in a technical report entitled .%T "Redesigning the BSD Callout and Timer Facilities" -and modified slightly for inclusion in +and modified for inclusion in .Fx by .An Justin T. Gibbs . -The original work on the data structures used in this implementation +The original work on the data structures used in that implementation was published by .An G. Varghese and @@ -954,8 +857,66 @@ in the paper .%T "Hashed and Hierarchical Timing Wheels: Data Structures for the Efficient Implementation of a Timer Facility" in the .%B "Proceedings of the 11th ACM Annual Symposium on Operating Systems Principles" . -The current implementation replaces the long standing -.Bx -linked list -callout mechanism which offered O(n) insertion and removal running time -but did not generate or require handles for untimeout operations. +.Pp +.Fx 3.3 +introduced the first implementations of +.Fn callout_init , +.Fn callout_reset , +and +.Fn callout_stop +which permitted callers to allocate dedicated storage for callouts. +This ensured that a callout would always fire unlike +.Fn timeout +which would silently fail if it was unable to allocate a callout. +.Pp +.Fx 5.0 +permitted callout handlers to be tagged as MPSAFE via +.Fn callout_init . +.Pp +.Fx 5.3 +introduced +.Fn callout_drain . +.Pp +.Fx 6.0 +introduced +.Fn callout_init_mtx . +.Pp +.Fx 8.0 +introduced per-CPU callout wheels, +.Fn callout_init_rw , +and +.Fn callout_schedule . +.Pp +.Fx 9.0 +changed the underlying timer interrupts used to drive callouts to prefer +one-shot event timers instead of a periodic timer interrupt. +.Pp +.Fx 10.0 +switched the callout wheel to support tickless operation. +These changes introduced +.Vt sbintime_t +and the +.Fn callout_reset_sbt* +family of functions. +.Fx 10.0 also added +.Dv C_DIRECT_EXEC +and +.Fn callout_init_rm . +.Pp +.Fx 10.2 +introduced the +.Fn callout_schedule_sbt* +family of functions. +.Pp +.Fx 11.0 +introduced +.Fn callout_async_drain . +.Fx 11.1 +introduced +.Fn callout_when . +.Fx 13.0 +removed +.Vt timeout_t , +.Fn timeout , +and +.Fn untimeout . Modified: head/sys/kern/kern_intr.c ============================================================================== --- head/sys/kern/kern_intr.c Fri Dec 13 20:45:45 2019 (r355731) +++ head/sys/kern/kern_intr.c Fri Dec 13 21:03:12 2019 (r355732) @@ -84,7 +84,6 @@ struct intr_entropy { uintptr_t event; }; -struct intr_event *clk_intr_event; struct intr_event *tty_intr_event; void *vm_ih; struct proc *intrproc; Modified: head/sys/kern/kern_timeout.c ============================================================================== --- head/sys/kern/kern_timeout.c Fri Dec 13 20:45:45 2019 (r355731) +++ head/sys/kern/kern_timeout.c Fri Dec 13 21:03:12 2019 (r355732) @@ -167,10 +167,8 @@ struct callout_cpu { struct mtx_padalign cc_lock; struct cc_exec cc_exec_entity[2]; struct callout *cc_next; - struct callout *cc_callout; struct callout_list *cc_callwheel; struct callout_tailq cc_expireq; - struct callout_slist cc_callfree; sbintime_t cc_firstevent; sbintime_t cc_lastscan; void *cc_cookie; @@ -210,7 +208,7 @@ struct callout_cpu cc_cpu; #define CC_UNLOCK(cc) mtx_unlock_spin(&(cc)->cc_lock) #define CC_LOCK_ASSERT(cc) mtx_assert(&(cc)->cc_lock, MA_OWNED) -static int __read_mostly timeout_cpu; +static int __read_mostly cc_default_cpu; static void callout_cpu_init(struct callout_cpu *cc, int cpu); static void softclock_call_cc(struct callout *c, struct callout_cpu *cc, @@ -279,6 +277,7 @@ static void callout_callwheel_init(void *dummy) { struct callout_cpu *cc; + int cpu; /* * Calculate the size of the callout wheel and the preallocated @@ -304,16 +303,14 @@ callout_callwheel_init(void *dummy) TUNABLE_INT_FETCH("kern.pin_pcpu_swi", &pin_pcpu_swi); /* - * Only BSP handles timeout(9) and receives a preallocation. - * - * XXX: Once all timeout(9) consumers are converted this can - * be removed. + * Initialize callout wheels. The software interrupt threads + * are created later. */ - timeout_cpu = PCPU_GET(cpuid); - cc = CC_CPU(timeout_cpu); - cc->cc_callout = malloc(ncallout * sizeof(struct callout), - M_CALLOUT, M_WAITOK); - callout_cpu_init(cc, timeout_cpu); + cc_default_cpu = PCPU_GET(cpuid); + CPU_FOREACH(cpu) { + cc = CC_CPU(cpu); + callout_cpu_init(cc, cpu); + } } SYSINIT(callwheel_init, SI_SUB_CPU, SI_ORDER_ANY, callout_callwheel_init, NULL); @@ -323,11 +320,9 @@ SYSINIT(callwheel_init, SI_SUB_CPU, SI_ORDER_ANY, call static void callout_cpu_init(struct callout_cpu *cc, int cpu) { - struct callout *c; int i; mtx_init(&cc->cc_lock, "callout", NULL, MTX_SPIN | MTX_RECURSE); - SLIST_INIT(&cc->cc_callfree); cc->cc_inited = 1; cc->cc_callwheel = malloc_domainset(sizeof(struct callout_list) * callwheelsize, M_CALLOUT, @@ -342,14 +337,6 @@ callout_cpu_init(struct callout_cpu *cc, int cpu) snprintf(cc->cc_ktr_event_name, sizeof(cc->cc_ktr_event_name), "callwheel cpu %d", cpu); #endif - if (cc->cc_callout == NULL) /* Only BSP handles timeout(9) */ - return; - for (i = 0; i < ncallout; i++) { - c = &cc->cc_callout[i]; - callout_init(c, 0); - c->c_iflags = CALLOUT_LOCAL_ALLOC; - SLIST_INSERT_HEAD(&cc->cc_callfree, c, c_links.sle); - } } #ifdef SMP @@ -383,50 +370,35 @@ callout_cpu_switch(struct callout *c, struct callout_c #endif /* - * Start standard softclock thread. + * Start softclock threads. */ static void start_softclock(void *dummy) { struct callout_cpu *cc; char name[MAXCOMLEN]; -#ifdef SMP int cpu; + bool pin_swi; struct intr_event *ie; -#endif - cc = CC_CPU(timeout_cpu); - snprintf(name, sizeof(name), "clock (%d)", timeout_cpu); - if (swi_add(&clk_intr_event, name, softclock, cc, SWI_CLOCK, - INTR_MPSAFE, &cc->cc_cookie)) - panic("died while creating standard software ithreads"); - if (pin_default_swi && - (intr_event_bind(clk_intr_event, timeout_cpu) != 0)) { - printf("%s: timeout clock couldn't be pinned to cpu %d\n", - __func__, - timeout_cpu); - } - -#ifdef SMP CPU_FOREACH(cpu) { - if (cpu == timeout_cpu) - continue; cc = CC_CPU(cpu); - cc->cc_callout = NULL; /* Only BSP handles timeout(9). */ - callout_cpu_init(cc, cpu); snprintf(name, sizeof(name), "clock (%d)", cpu); ie = NULL; if (swi_add(&ie, name, softclock, cc, SWI_CLOCK, INTR_MPSAFE, &cc->cc_cookie)) panic("died while creating standard software ithreads"); - if (pin_pcpu_swi && (intr_event_bind(ie, cpu) != 0)) { - printf("%s: per-cpu clock couldn't be pinned to " - "cpu %d\n", + if (cpu == cc_default_cpu) + pin_swi = pin_default_swi; + else + pin_swi = pin_pcpu_swi; + if (pin_swi && (intr_event_bind(ie, cpu) != 0)) { + printf("%s: %s clock couldn't be pinned to cpu %d\n", __func__, + cpu == cc_default_cpu ? "default" : "per-cpu", cpu); } } -#endif } SYSINIT(start_softclock, SI_SUB_SOFTINTR, SI_ORDER_FIRST, start_softclock, NULL); @@ -639,16 +611,6 @@ callout_cc_add(struct callout *c, struct callout_cpu * } static void -callout_cc_del(struct callout *c, struct callout_cpu *cc) -{ - - if ((c->c_iflags & CALLOUT_LOCAL_ALLOC) == 0) - return; - c->c_func = NULL; - SLIST_INSERT_HEAD(&cc->cc_callfree, c, c_links.sle); -} - -static void softclock_call_cc(struct callout *c, struct callout_cpu *cc, #ifdef CALLOUT_PROFILING int *mpcalls, int *lockcalls, int *gcalls, @@ -692,10 +654,7 @@ softclock_call_cc(struct callout *c, struct callout_cp c_func = c->c_func; c_arg = c->c_arg; c_iflags = c->c_iflags; - if (c->c_iflags & CALLOUT_LOCAL_ALLOC) - c->c_iflags = CALLOUT_LOCAL_ALLOC; - else - c->c_iflags &= ~CALLOUT_PENDING; + c->c_iflags &= ~CALLOUT_PENDING; cc_exec_curr(cc, direct) = c; cc_exec_last_func(cc, direct) = c_func; @@ -795,8 +754,6 @@ skip: wakeup(&cc_exec_waiting(cc, direct)); CC_LOCK(cc); } else if (cc_cce_migrating(cc, direct)) { - KASSERT((c_iflags & CALLOUT_LOCAL_ALLOC) == 0, - ("Migrating legacy callout %p", c)); #ifdef SMP /* * If the callout was scheduled for @@ -819,7 +776,6 @@ skip: CTR3(KTR_CALLOUT, "deferred cancelled %p func %p arg %p", c, new_func, new_arg); - callout_cc_del(c, cc); return; } c->c_iflags &= ~CALLOUT_DFRMIGRATION; @@ -834,19 +790,6 @@ skip: panic("migration should not happen"); #endif } - /* - * If the current callout is locally allocated (from - * timeout(9)) then put it on the freelist. - * - * Note: we need to check the cached copy of c_iflags because - * if it was not local, then it's not safe to deref the - * callout pointer. - */ - KASSERT((c_iflags & CALLOUT_LOCAL_ALLOC) == 0 || - c->c_iflags == CALLOUT_LOCAL_ALLOC, - ("corrupted callout")); - if (c_iflags & CALLOUT_LOCAL_ALLOC) - callout_cc_del(c, cc); } /* @@ -896,70 +839,7 @@ softclock(void *arg) CC_UNLOCK(cc); } -/* - * timeout -- - * Execute a function after a specified length of time. - * - * untimeout -- - * Cancel previous timeout function call. - * - * callout_handle_init -- - * Initialize a handle so that using it with untimeout is benign. - * - * See AT&T BCI Driver Reference Manual for specification. This - * implementation differs from that one in that although an - * identification value is returned from timeout, the original - * arguments to timeout as well as the identifier are used to - * identify entries for untimeout. - */ -struct callout_handle -timeout(timeout_t *ftn, void *arg, int to_ticks) -{ - struct callout_cpu *cc; - struct callout *new; - struct callout_handle handle; - - cc = CC_CPU(timeout_cpu); - CC_LOCK(cc); - /* Fill in the next free callout structure. */ - new = SLIST_FIRST(&cc->cc_callfree); - if (new == NULL) - /* XXX Attempt to malloc first */ - panic("timeout table full"); - SLIST_REMOVE_HEAD(&cc->cc_callfree, c_links.sle); - callout_reset(new, to_ticks, ftn, arg); - handle.callout = new; - CC_UNLOCK(cc); - - return (handle); -} - void -untimeout(timeout_t *ftn, void *arg, struct callout_handle handle) -{ - struct callout_cpu *cc; - - /* - * Check for a handle that was initialized - * by callout_handle_init, but never used - * for a real timeout. - */ - if (handle.callout == NULL) - return; - - cc = callout_lock(handle.callout); - if (handle.callout->c_func == ftn && handle.callout->c_arg == arg) - callout_stop(handle.callout); - CC_UNLOCK(cc); -} - -void -callout_handle_init(struct callout_handle *handle) -{ - handle->callout = NULL; -} - -void callout_when(sbintime_t sbt, sbintime_t precision, int flags, sbintime_t *res, sbintime_t *prec_res) { @@ -1060,12 +940,9 @@ callout_reset_sbt_on(struct callout *c, sbintime_t sbt ("%s: direct callout %p has lock", __func__, c)); cc = callout_lock(c); /* - * Don't allow migration of pre-allocated callouts lest they - * become unbalanced or handle the case where the user does - * not care. + * Don't allow migration if the user does not care. */ - if ((c->c_iflags & CALLOUT_LOCAL_ALLOC) || - ignore_cpu) { + if (ignore_cpu) { cpu = c->c_cpu; } @@ -1435,7 +1312,6 @@ again: TAILQ_REMOVE(&cc->cc_expireq, c, c_links.tqe); } } - callout_cc_del(c, cc); CC_UNLOCK(cc); return (cancelled); } @@ -1451,7 +1327,7 @@ callout_init(struct callout *c, int mpsafe) c->c_lock = &Giant.lock_object; c->c_iflags = 0; } - c->c_cpu = timeout_cpu; + c->c_cpu = cc_default_cpu; } void @@ -1467,7 +1343,7 @@ _callout_init_lock(struct callout *c, struct lock_obje (LC_SPINLOCK | LC_SLEEPABLE)), ("%s: invalid lock class", __func__)); c->c_iflags = flags & (CALLOUT_RETURNUNLOCKED | CALLOUT_SHAREDLOCK); - c->c_cpu = timeout_cpu; + c->c_cpu = cc_default_cpu; } #ifdef APM_FIXUP_CALLTODO @@ -1559,9 +1435,7 @@ sysctl_kern_callout_stat(SYSCTL_HANDLER_ARGS) sbintime_t maxpr, maxt, medpr, medt, now, spr, st, t; int ct[64], cpr[64], ccpbk[32]; int error, val, i, count, tcum, pcum, maxc, c, medc; -#ifdef SMP int cpu; -#endif val = 0; error = sysctl_handle_int(oidp, &val, 0, req); @@ -1573,12 +1447,8 @@ sysctl_kern_callout_stat(SYSCTL_HANDLER_ARGS) bzero(ct, sizeof(ct)); bzero(cpr, sizeof(cpr)); now = sbinuptime(); -#ifdef SMP CPU_FOREACH(cpu) { cc = CC_CPU(cpu); -#else - cc = CC_CPU(timeout_cpu); -#endif CC_LOCK(cc); for (i = 0; i < callwheelsize; i++) { sc = &cc->cc_callwheel[i]; @@ -1603,9 +1473,7 @@ sysctl_kern_callout_stat(SYSCTL_HANDLER_ARGS) count += c; } CC_UNLOCK(cc); -#ifdef SMP } -#endif for (i = 0, tcum = 0; i < 64 && tcum < count / 2; i++) tcum += ct[i]; Modified: head/sys/netgraph/ng_base.c ============================================================================== --- head/sys/netgraph/ng_base.c Fri Dec 13 20:45:45 2019 (r355731) +++ head/sys/netgraph/ng_base.c Fri Dec 13 21:03:12 2019 (r355732) @@ -3801,7 +3801,7 @@ ng_callout(struct callout *c, node_p node, hook_p hook return (0); } -/* A special modified version of untimeout() */ +/* A special modified version of callout_stop() */ int ng_uncallout(struct callout *c, node_p node) { Modified: head/sys/sys/interrupt.h ============================================================================== --- head/sys/sys/interrupt.h Fri Dec 13 20:45:45 2019 (r355731) +++ head/sys/sys/interrupt.h Fri Dec 13 21:03:12 2019 (r355732) @@ -151,7 +151,6 @@ struct intr_event { struct proc; extern struct intr_event *tty_intr_event; -extern struct intr_event *clk_intr_event; extern void *vm_ih; /* Counts and names for statistics (defined in MD code). */ Modified: head/sys/sys/param.h ============================================================================== --- head/sys/sys/param.h Fri Dec 13 20:45:45 2019 (r355731) +++ head/sys/sys/param.h Fri Dec 13 21:03:12 2019 (r355732) @@ -60,7 +60,7 @@ * in the range 5 to 9. */ #undef __FreeBSD_version -#define __FreeBSD_version 1300066 /* Master, propagated to newvers */ +#define __FreeBSD_version 1300067 /* Master, propagated to newvers */ /* * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD, Modified: head/sys/sys/systm.h ============================================================================== --- head/sys/sys/systm.h Fri Dec 13 20:45:45 2019 (r355731) +++ head/sys/sys/systm.h Fri Dec 13 21:03:12 2019 (r355732) @@ -466,15 +466,6 @@ void usrinfoinit(void); void kern_reboot(int) __dead2; void shutdown_nice(int); -/* Timeouts */ -typedef void timeout_t(void *); /* timeout function type */ -#define CALLOUT_HANDLE_INITIALIZER(handle) \ - { NULL } - -void callout_handle_init(struct callout_handle *); -struct callout_handle timeout(timeout_t *, void *, int); -void untimeout(timeout_t *, void *, struct callout_handle); - /* Stubs for obsolete functions that used to be for interrupt management */ static __inline intrmask_t splbio(void) { return 0; } static __inline intrmask_t splcam(void) { return 0; }
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