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| author | jhb <jhb@FreeBSD.org> | 2001-06-30 03:11:26 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2001-06-30 03:11:26 +0000 |
| commit | dcedf89d63b0d96d2353f93d54c6fd039ce6bc54 (patch) | |
| tree | 36ef0fade9a850240727492544cd098938b6e8a2 | |
| parent | 4db4ecf48f5749f368bdadc4c5a3865015eadb86 (diff) | |
| download | FreeBSD-src-dcedf89d63b0d96d2353f93d54c6fd039ce6bc54.zip FreeBSD-src-dcedf89d63b0d96d2353f93d54c6fd039ce6bc54.tar.gz | |
Make the schedlock saved critical section state a per-thread property.
| -rw-r--r-- | sys/kern/kern_intr.c | 4 | ||||
| -rw-r--r-- | sys/kern/kern_synch.c | 3 |
2 files changed, 3 insertions, 4 deletions
diff --git a/sys/kern/kern_intr.c b/sys/kern/kern_intr.c index ac9213b..07ee598 100644 --- a/sys/kern/kern_intr.c +++ b/sys/kern/kern_intr.c @@ -344,7 +344,6 @@ ithread_schedule(struct ithd *ithread, int do_switch) { struct int_entropy entropy; struct proc *p; - critical_t savecrit; /* * If no ithread or no handlers, then we have a stray interrupt. @@ -383,13 +382,10 @@ ithread_schedule(struct ithd *ithread, int do_switch) p->p_stat = SRUN; setrunqueue(p); if (do_switch && curproc->p_stat == SRUN) { - savecrit = sched_lock.mtx_savecrit; - mtx_intr_enable(&sched_lock); if (curproc != PCPU_GET(idleproc)) setrunqueue(curproc); curproc->p_stats->p_ru.ru_nivcsw++; mi_switch(); - sched_lock.mtx_savecrit = savecrit; } else need_resched(curproc); } else { diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c index 95b98d2..ce6adb5 100644 --- a/sys/kern/kern_synch.c +++ b/sys/kern/kern_synch.c @@ -821,6 +821,7 @@ mi_switch() #if 0 register struct rlimit *rlim; #endif + critical_t sched_crit; u_int sched_nest; mtx_assert(&sched_lock, MA_OWNED | MA_NOTRECURSED); @@ -881,12 +882,14 @@ mi_switch() PCPU_SET(switchtime, new_switchtime); CTR3(KTR_PROC, "mi_switch: old proc %p (pid %d, %s)", p, p->p_pid, p->p_comm); + sched_crit = sched_lock.mtx_savecrit; sched_nest = sched_lock.mtx_recurse; curproc->p_lastcpu = curproc->p_oncpu; curproc->p_oncpu = NOCPU; clear_resched(curproc); cpu_switch(); curproc->p_oncpu = PCPU_GET(cpuid); + sched_lock.mtx_savecrit = sched_crit; sched_lock.mtx_recurse = sched_nest; sched_lock.mtx_lock = (uintptr_t)curproc; CTR3(KTR_PROC, "mi_switch: new proc %p (pid %d, %s)", p, p->p_pid, |
