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MFi386 revision 1.6

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Reenable ithread preemption for interrupts that occur while executing in
 the kernel.
This commit is contained in:
Alan Cox 2004-05-30 04:49:39 +00:00
parent dd83a01e81
commit b59f545aa2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=129860
1 changed files with 2 additions and 2 deletions
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4
sys/amd64/amd64/intr_machdep.c
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@ -183,7 +183,6 @@ intr_execute_handlers(struct intsrc *isrc, struct intrframe *iframe)
if (vector == 0)
clkintr_pending = 1;
critical_enter();
if (ih != NULL && ih->ih_flags & IH_FAST) {
/*
* Execute fast interrupt handlers directly.
@ -191,6 +190,7 @@ intr_execute_handlers(struct intsrc *isrc, struct intrframe *iframe)
* with a NULL argument, then we pass it a pointer to
* a trapframe as its argument.
*/
critical_enter();
TAILQ_FOREACH(ih, &it->it_handlers, ih_next) {
MPASS(ih->ih_flags & IH_FAST);
CTR3(KTR_INTR, "%s: executing handler %p(%p)",
@ -204,6 +204,7 @@ intr_execute_handlers(struct intsrc *isrc, struct intrframe *iframe)
}
isrc->is_pic->pic_eoi_source(isrc);
error = 0;
critical_exit();
} else {
/*
* For stray and threaded interrupts, we mask and EOI the
@ -216,7 +217,6 @@ intr_execute_handlers(struct intsrc *isrc, struct intrframe *iframe)
else
error = ithread_schedule(it, !cold);
}
critical_exit();
if (error == EINVAL) {
atomic_add_long(isrc->is_straycount, 1);
if (*isrc->is_straycount < MAX_STRAY_LOG)