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Catch up with reality.

This commit is contained in:
ad 2020-03-14 20:25:46 +00:00
parent 5972ba1600
commit 37049e7a04
1 changed files with 18 additions and 18 deletions
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36
tests/rump/kernspace/busypage.c
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@ -1,4 +1,4 @@
/* $NetBSD: busypage.c,v 1.6 2020/02/23 15:46:43 ad Exp $ */
/* $NetBSD: busypage.c,v 1.7 2020/03/14 20:25:46 ad Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@ -29,7 +29,7 @@
#include <sys/cdefs.h>
#if !defined(lint)
__RCSID("$NetBSD: busypage.c,v 1.6 2020/02/23 15:46:43 ad Exp $");
__RCSID("$NetBSD: busypage.c,v 1.7 2020/03/14 20:25:46 ad Exp $");
#endif /* !lint */
#include <sys/param.h>
@ -52,15 +52,14 @@ static void
thread(void *arg)
{
rw_enter(uobj->vmobjlock, RW_WRITER);
mutex_enter(&testpg->interlock);
threadrun = true;
#ifdef notyet
cv_signal(&tcv);
#else
wakeup(&tcv);
#endif
testpg->flags |= PG_WANTED;
UVM_UNLOCK_AND_WAIT_RW(testpg, uobj->vmobjlock, false, "tw", 0);
mutex_exit(&testpg->interlock);
rw_enter(uobj->vmobjlock, RW_READER);
uvm_pagewait(testpg, uobj->vmobjlock, "tw");
kthread_exit(0);
}
@ -84,16 +83,17 @@ rumptest_busypage()
if (rv)
panic("thread creation failed: %d", rv);
rw_enter(uobj->vmobjlock, RW_WRITER);
#ifdef notyet
while (!threadrun)
cv_wait(&tcv, uobj->vmobjlock);
#else
while (!threadrun)
rwtsleep(&tcv, 0, "nutter", 0, uobj->vmobjlock);
#endif
kpause("lolgic", false, mstohz(100), NULL);
uvm_page_unbusy(&testpg, 1);
mutex_enter(&testpg->interlock);
while (!threadrun)
cv_wait(&tcv, &testpg->interlock);
mutex_exit(&testpg->interlock);
rw_enter(uobj->vmobjlock, RW_WRITER);
mutex_enter(&testpg->interlock);
uvm_pageunbusy(testpg);
mutex_exit(&testpg->interlock);
rw_exit(uobj->vmobjlock);
rv = kthread_join(newl);