xnu-1228.12.14.tar.gz

[apple/xnu.git] / osfmk / kern / syscall_subr.c

diff --git a/osfmk/kern/syscall_subr.c b/osfmk/kern/syscall_subr.c
index f7855e11422dadc35fa4d7e1aa113d4d75c7231e..15af1fa7e03aebd2c754100423de7d9c4ed8070a 100644 (file)
--- a/osfmk/kern/syscall_subr.c
+++ b/osfmk/kern/syscall_subr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2007 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -331,7 +331,6 @@ thread_depress_abstime(
 
                self->sched_pri = DEPRESSPRI;
                myprocessor->current_pri = self->sched_pri;
-               self->sched_mode &= ~TH_MODE_PREEMPT;
                self->sched_mode |= TH_MODE_DEPRESS;
 
                if (interval != 0) {
@@ -427,7 +426,6 @@ thread_poll_yield(
                        if (!(self->sched_mode & TH_MODE_ISDEPRESSED)) {
                                self->sched_pri = DEPRESSPRI;
                                myprocessor->current_pri = self->sched_pri;
-                               self->sched_mode &= ~TH_MODE_PREEMPT;
                        }
                        self->computation_epoch = abstime;
                        self->computation_metered = 0;
@@ -438,7 +436,7 @@ thread_poll_yield(
                                self->depress_timer_active++;
                        thread_unlock(self);
 
-                       if ((preempt = csw_check(self, myprocessor)) != AST_NONE)
+                       if ((preempt = csw_check(myprocessor)) != AST_NONE)
                                ast_on(preempt);
                }
        }