diff options
Diffstat (limited to 'sys/arch/i386/i386/machdep.c')
| -rw-r--r-- | sys/arch/i386/i386/machdep.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/sys/arch/i386/i386/machdep.c b/sys/arch/i386/i386/machdep.c index 673299a6e6f..45ae08f2b63 100644 --- a/sys/arch/i386/i386/machdep.c +++ b/sys/arch/i386/i386/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.438 2008/11/14 20:43:54 weingart Exp $ */ +/* $OpenBSD: machdep.c,v 1.439 2008/11/22 18:12:32 art Exp $ */ /* $NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $ */ /*- @@ -2340,11 +2340,17 @@ void signotify(struct proc *p) { aston(p); + cpu_unidle(p->p_cpu); +} + #ifdef MULTIPROCESSOR - if (p->p_cpu != curcpu() && p->p_cpu != NULL) - i386_send_ipi(p->p_cpu, I386_IPI_NOP); -#endif +void +cpu_unidle(struct cpu_info *ci) +{ + if (ci != curcpu()) + i386_send_ipi(ci, I386_IPI_NOP); } +#endif int waittime = -1; struct pcb dumppcb; @@ -3243,16 +3249,14 @@ cpu_initclocks(void) void need_resched(struct cpu_info *ci) { - struct proc *p; - ci->ci_want_resched = 1; - /* - * Need to catch the curproc in case it's cleared just - * between the check and the aston(). - */ - if ((p = ci->ci_curproc) != NULL) - aston(p); + /* There's a risk we'll be called before the idle threads start */ + if (ci->ci_curproc) { + aston(ci->ci_curproc); + if (ci != curcpu()) + cpu_unidle(ci); + } } /* Allocate an IDT vector slot within the given range. |