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We can not count CPUs at sysctl initialization time - so don't make 

hw.ncpu an immediate value.
This commit is contained in:
martin 2003-12-06 09:36:34 +00:00
parent 315a88c214
commit fb5bbc3d78
1 changed files with 19 additions and 4 deletions
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21
sys/kern/init_sysctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: init_sysctl.c,v 1.2 2003/12/06 02:52:29 atatat Exp $ */
/* $NetBSD: init_sysctl.c,v 1.3 2003/12/06 09:36:34 martin Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -134,6 +134,7 @@ static int sysctl_doeproc(SYSCTLFN_PROTO);
static int sysctl_kern_proc_args(SYSCTLFN_PROTO);
static int sysctl_hw_usermem(SYSCTLFN_PROTO);
static int sysctl_hw_cnmagic(SYSCTLFN_PROTO);
static int sysctl_hw_ncpu(SYSCTLFN_PROTO);
static void fill_kproc2(struct proc *, struct kinfo_proc2 *);
static void fill_lwp(struct lwp *l, struct kinfo_lwp *kl);
@ -581,9 +582,9 @@ SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup")
CTLTYPE_STRING, "model", NULL,
NULL, 0, cpu_model, 0,
CTL_HW, HW_MODEL, CTL_EOL);
sysctl_createv(SYSCTL_PERMANENT|SYSCTL_IMMEDIATE,
sysctl_createv(SYSCTL_PERMANENT,
CTLTYPE_INT, "ncpu", NULL,
NULL, sysctl_ncpus(), NULL, 0,
sysctl_hw_ncpu, 0, NULL, 0,
CTL_HW, HW_NCPU, CTL_EOL);
sysctl_createv(SYSCTL_PERMANENT|SYSCTL_IMMEDIATE,
CTLTYPE_INT, "byteorder", NULL,
@ -1963,6 +1964,20 @@ sysctl_hw_cnmagic(SYSCTLFN_ARGS)
return (cn_set_magic(magic));
}
static int
sysctl_hw_ncpu(SYSCTLFN_ARGS)
{
int ncpu;
struct sysctlnode node;
ncpu = sysctl_ncpus();
node = *rnode;
node.sysctl_data = &ncpu;
return (sysctl_lookup(SYSCTLFN_CALL(&node)));
}
/*
* ********************************************************************
* section 3: public helper routines that are used for more than one