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| author | alfred <alfred@FreeBSD.org> | 2003-12-23 13:54:16 +0000 |
|---|---|---|
| committer | alfred <alfred@FreeBSD.org> | 2003-12-23 13:54:16 +0000 |
| commit | a121c1dfef4ce13140b77ccd7844c4f0e8d1f829 (patch) | |
| tree | 6f5a85bc79edadbccf373dcd98a260e186adbd4d /sys/kern/subr_smp.c | |
| parent | 0b3fdbfa5200ef73e1c802d77fff9038a710bad1 (diff) | |
| download | FreeBSD-src-a121c1dfef4ce13140b77ccd7844c4f0e8d1f829.zip FreeBSD-src-a121c1dfef4ce13140b77ccd7844c4f0e8d1f829.tar.gz | |
Introduce mp_maxcpus which can be used by libkvm utils to find out
how many CPUs the system was compiled for.
Export the variable via a sysctl node 'kern.smp.maxcpus' as well.
Diffstat (limited to 'sys/kern/subr_smp.c')
| -rw-r--r-- | sys/kern/subr_smp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index b3b81ac..0192731 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.c @@ -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"); |
