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Export a routine, kobj_machdep_init(), that allows platforms

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to use the kobj subsystem as soon at mutex_init() has been called
instead of having to wait for the SI_SUB_LOCK sysinit.

Reviewed by:	dfr
This commit is contained in:
Peter Grehan 2005-08-07 02:20:35 +00:00
parent db12d03ed9
commit e000e00118
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=148811
2 changed files with 16 additions and 2 deletions
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13
sys/kern/subr_kobj.c
View File

@ -57,6 +57,7 @@ SYSCTL_UINT(_kern, OID_AUTO, kobj_misses, CTLFLAG_RD,
#endif
static struct mtx kobj_mtx;
static int kobj_mutex_inited;
static int kobj_next_id = 1;
SYSCTL_UINT(_kern, OID_AUTO, kobj_methodcount, CTLFLAG_RD,
@ -65,12 +66,20 @@ SYSCTL_UINT(_kern, OID_AUTO, kobj_methodcount, CTLFLAG_RD,
static void
kobj_init_mutex(void *arg)
{
mtx_init(&kobj_mtx, "kobj", NULL, MTX_DEF);
if (!kobj_mutex_inited) {
mtx_init(&kobj_mtx, "kobj", NULL, MTX_DEF);
kobj_mutex_inited = 1;
}
}
SYSINIT(kobj, SI_SUB_LOCK, SI_ORDER_ANY, kobj_init_mutex, NULL);
void
kobj_machdep_init(void)
{
kobj_init_mutex(NULL);
}
/*
* This method structure is used to initialise new caches. Since the
* desc pointer is NULL, it is guaranteed never to match any read

5
sys/sys/kobj.h
View File

@ -246,4 +246,9 @@ kobj_method_t* kobj_lookup_method(kobj_class_t cls,
*/
int kobj_error_method(void);
/*
* Machine-dependent initialisation call for boot-time kobj clients
*/
void kobj_machdep_init(void);
#endif /* !_SYS_KOBJ_H_ */