diff options
author | jhb <jhb@FreeBSD.org> | 2001-05-10 17:45:49 +0000 |
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committer | jhb <jhb@FreeBSD.org> | 2001-05-10 17:45:49 +0000 |
commit | 41fc4419f3762bcb77454d08efb22c049b2259bb (patch) | |
tree | 303330e5c0ad9c65ed39b222d1233727e2818286 /sys/kern/subr_smp.c | |
parent | 666424d146293fddcb56001344a6f8e225cc13de (diff) | |
download | FreeBSD-src-41fc4419f3762bcb77454d08efb22c049b2259bb.zip FreeBSD-src-41fc4419f3762bcb77454d08efb22c049b2259bb.tar.gz |
- Split out the support for per-CPU data from the SMP code. UP kernels
have per-CPU data and gdb on the i386 at least needs access to it.
- Clean up includes in kern_idle.c and subr_smp.c.
Reviewed by: jake
Diffstat (limited to 'sys/kern/subr_smp.c')
-rw-r--r-- | sys/kern/subr_smp.c | 45 |
1 files changed, 3 insertions, 42 deletions
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index 6c73e47..598fb16 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.c @@ -31,33 +31,20 @@ /* * This module holds the global variables and machine independent functions - * used for the kernel SMP support. It also provides MI support for per-cpu - * data. + * used for the kernel SMP support. */ #include <sys/param.h> #include <sys/systm.h> -#include <sys/ipl.h> +#include <sys/kernel.h> #include <sys/ktr.h> #include <sys/proc.h> #include <sys/lock.h> -#include <sys/malloc.h> #include <sys/mutex.h> -#include <sys/kernel.h> +#include <sys/pcpu.h> #include <sys/smp.h> #include <sys/sysctl.h> -#include <vm/vm.h> -#include <vm/pmap.h> -#include <vm/vm_map.h> -#include <sys/user.h> -#include <sys/dkstat.h> - -#include <machine/atomic.h> -#include <machine/globaldata.h> -#include <machine/pmap.h> -#include <machine/clock.h> - volatile u_int stopped_cpus; volatile u_int started_cpus; @@ -67,9 +54,6 @@ int mp_ncpus; volatile int smp_started; u_int all_cpus; -static struct globaldata *cpuid_to_globaldata[MAXCPU]; -struct cpuhead cpuhead = SLIST_HEAD_INITIALIZER(cpuhead); - SYSCTL_NODE(_kern, OID_AUTO, smp, CTLFLAG_RD, NULL, "Kernel SMP"); int smp_active = 0; /* are the APs allowed to run? */ @@ -115,29 +99,6 @@ mp_start(void *dummy) } SYSINIT(cpu_mp, SI_SUB_CPU, SI_ORDER_SECOND, mp_start, NULL) -/* - * Register a struct globaldata. - */ -void -globaldata_register(struct globaldata *globaldata) -{ - - KASSERT(globaldata->gd_cpuid >= 0 && globaldata->gd_cpuid < MAXCPU, - ("globaldata_register: invalid cpuid")); - cpuid_to_globaldata[globaldata->gd_cpuid] = globaldata; - SLIST_INSERT_HEAD(&cpuhead, globaldata, gd_allcpu); -} - -/* - * Locate a struct globaldata by cpu id. - */ -struct globaldata * -globaldata_find(u_int cpuid) -{ - - return (cpuid_to_globaldata[cpuid]); -} - void forward_signal(struct proc *p) { |