d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MFC r197390:

Browse Source 
Remove forward_roundrobin().

Approved by:	re (kensmith)
This commit is contained in:
Konstantin Belousov 2009-09-28 11:31:21 +00:00
parent 238bc19306
commit b57f5ce0bd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/stable/8/; revision=197576
2 changed files with 0 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
sys/kern/subr_smp.c
View File

@ -104,12 +104,6 @@ SYSCTL_INT(_kern_smp, OID_AUTO, forward_signal_enabled, CTLFLAG_RW,
&forward_signal_enabled, 0,
"Forwarding of a signal to a process on a different CPU");
/* Enable forwarding of roundrobin to all other cpus */
static int forward_roundrobin_enabled = 1;
SYSCTL_INT(_kern_smp, OID_AUTO, forward_roundrobin_enabled, CTLFLAG_RW,
&forward_roundrobin_enabled, 0,
"Forwarding of roundrobin to all other CPUs");
/* Variables needed for SMP rendezvous. */
static volatile int smp_rv_ncpus;
static void (*volatile smp_rv_setup_func)(void *arg);
@ -189,33 +183,6 @@ forward_signal(struct thread *td)
ipi_selected(1 << id, IPI_AST);
}
void
forward_roundrobin(void)
{
struct pcpu *pc;
struct thread *td;
cpumask_t id, map, me;
CTR0(KTR_SMP, "forward_roundrobin()");
if (!smp_started || cold || panicstr)
return;
if (!forward_roundrobin_enabled)
return;
map = 0;
me = PCPU_GET(cpumask);
SLIST_FOREACH(pc, &cpuhead, pc_allcpu) {
td = pc->pc_curthread;
id = pc->pc_cpumask;
if (id != me && (id & stopped_cpus) == 0 &&
!TD_IS_IDLETHREAD(td)) {
td->td_flags |= TDF_NEEDRESCHED;
map |= id;
}
}
ipi_selected(map, IPI_AST);
}
/*
* When called the executing CPU will send an IPI to all other CPUs
* requesting that they halt execution.

1
sys/sys/smp.h
View File

@ -120,7 +120,6 @@ void cpu_mp_setmaxid(void);
void cpu_mp_start(void);
void forward_signal(struct thread *);
void forward_roundrobin(void);
int restart_cpus(cpumask_t);
int stop_cpus(cpumask_t);
int stop_cpus_hard(cpumask_t);