s390/qdio: inline shared_ind()

This is just prep work for a subsequent patch, no functional change.

For the non-polling path we can pull the code chunk in front of the
for-loop, since it only evaluates to true for a 1-queue configuration.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Julian Wiedmann 2020-03-20 14:00:00 +01:00 коммит произвёл Vasily Gorbik
Родитель 1da1092dbf
Коммит a8a4ee2740
1 изменённых файлов: 8 добавлений и 11 удалений

Просмотреть файл

@ -92,17 +92,12 @@ static inline int references_shared_dsci(struct qdio_irq *irq_ptr)
return irq_ptr->dsci == &q_indicators[TIQDIO_SHARED_IND].ind;
}
static inline int shared_ind(struct qdio_irq *irq_ptr)
{
return references_shared_dsci(irq_ptr) ||
has_multiple_inq_on_dsci(irq_ptr);
}
void clear_nonshared_ind(struct qdio_irq *irq_ptr)
{
if (!is_thinint_irq(irq_ptr))
return;
if (shared_ind(irq_ptr))
if (references_shared_dsci(irq_ptr) ||
has_multiple_inq_on_dsci(irq_ptr))
return;
xchg(irq_ptr->dsci, 0);
}
@ -111,7 +106,8 @@ int test_nonshared_ind(struct qdio_irq *irq_ptr)
{
if (!is_thinint_irq(irq_ptr))
return 0;
if (shared_ind(irq_ptr))
if (references_shared_dsci(irq_ptr) ||
has_multiple_inq_on_dsci(irq_ptr))
return 0;
if (*irq_ptr->dsci)
return 1;
@ -144,10 +140,11 @@ static inline void tiqdio_call_inq_handlers(struct qdio_irq *irq)
return;
}
for_each_input_queue(irq, q, i) {
if (!shared_ind(irq))
xchg(irq->dsci, 0);
if (!references_shared_dsci(irq) &&
!has_multiple_inq_on_dsci(irq))
xchg(irq->dsci, 0);
for_each_input_queue(irq, q, i) {
/*
* Call inbound processing but not directly
* since that could starve other thinint queues.