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Introduce mp_maxcpus which can be used by libkvm utils to find out

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how many CPUs the system was compiled for.
Export the variable via a sysctl node 'kern.smp.maxcpus' as well.
This commit is contained in:
Alfred Perlstein 2003-12-23 13:54:16 +00:00
parent 78e2d2bd28
commit 1805ed0772
1 changed files with 5 additions and 0 deletions
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5
sys/kern/subr_smp.c
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@ -56,6 +56,8 @@ void (*cpustop_restartfunc)(void);
#endif
int mp_ncpus;
/* export this for libkvm consumers. */
int mp_maxcpus = MAXCPU;
volatile int smp_started;
u_int all_cpus;
@ -63,6 +65,9 @@ u_int mp_maxid;
SYSCTL_NODE(_kern, OID_AUTO, smp, CTLFLAG_RD, NULL, "Kernel SMP");
SYSCTL_INT(_kern_smp, OID_AUTO, maxcpus, CTLFLAG_RD, &mp_maxcpus, 0,
"Max number of CPUs that the system was compiled for.");
int smp_active = 0; /* are the APs allowed to run? */
SYSCTL_INT(_kern_smp, OID_AUTO, active, CTLFLAG_RW, &smp_active, 0,
"Number of Auxillary Processors (APs) that were successfully started");