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intr: eliminate / annotate unused stack locals

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This commit is contained in:
Matt Macy 2018-05-19 05:12:18 +00:00
parent 7fd6841438
commit ba3f7276c0
1 changed files with 6 additions and 6 deletions
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10
sys/kern/kern_intr.c
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@ -949,7 +949,6 @@ intr_event_schedule_thread(struct intr_event *ie)
struct intr_thread *it;
struct thread *td;
struct thread *ctd;
struct proc *p;
/*
* If no ithread or no handlers, then we have a stray interrupt.
@ -961,7 +960,6 @@ intr_event_schedule_thread(struct intr_event *ie)
ctd = curthread;
it = ie->ie_thread;
td = it->it_thread;
p = td->td_proc;
/*
* If any of the handlers for this ithread claim to be good
@ -973,7 +971,7 @@ intr_event_schedule_thread(struct intr_event *ie)
random_harvest_queue(&entropy, sizeof(entropy), 2, RANDOM_INTERRUPT);
}
KASSERT(p != NULL, ("ithread %s has no process", ie->ie_name));
KASSERT(td->td_proc != NULL, ("ithread %s has no process", ie->ie_name));
/*
* Set it_need to tell the thread to keep running if it is already
@ -1215,7 +1213,7 @@ swi_sched(void *cookie, int flags)
struct intr_handler *ih = (struct intr_handler *)cookie;
struct intr_event *ie = ih->ih_event;
struct intr_entropy entropy;
int error;
int error __unused;
CTR3(KTR_INTR, "swi_sched: %s %s need=%d", ie->ie_name, ih->ih_name,
ih->ih_need);
@ -1474,7 +1472,7 @@ intr_event_handle(struct intr_event *ie, struct trapframe *frame)
struct intr_handler *ih;
struct trapframe *oldframe;
struct thread *td;
int error, ret, thread;
int ret, thread;
td = curthread;
@ -1547,6 +1545,8 @@ intr_event_handle(struct intr_event *ie, struct trapframe *frame)
/* Schedule the ithread if needed. */
if (thread) {
int error __unused;
error = intr_event_schedule_thread(ie);
KASSERT(error == 0, ("bad stray interrupt"));
}