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author | des <des@FreeBSD.org> | 2009-09-25 22:45:59 +0000 |
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committer | des <des@FreeBSD.org> | 2009-09-25 22:45:59 +0000 |
commit | bf5117185e83a178d672946c3f7053d0ef92be27 (patch) | |
tree | 394fcfe01b613c0b5b5edbfc414a17c73481ad5d /sys/kern/subr_smp.c | |
parent | b79ff8160af6fa640e29ce784e59acd49cd1e7fc (diff) | |
parent | 5c2742e3dae3ef549329b770ec44b16ca930dc1f (diff) | |
download | FreeBSD-src-bf5117185e83a178d672946c3f7053d0ef92be27.zip FreeBSD-src-bf5117185e83a178d672946c3f7053d0ef92be27.tar.gz |
Sync with head
Diffstat (limited to 'sys/kern/subr_smp.c')
-rw-r--r-- | sys/kern/subr_smp.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index d28001f..f226e3a 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.c @@ -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. |