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| author | Julian Wiedmann <jwi@linux.ibm.com> | 2020-03-20 14:00:00 +0100 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2020-04-06 13:13:50 +0200 |
| commit | a8a4ee2740bb6224271f06742884ec375c42cb9e (patch) | |
| tree | a5d253ea15fb58c460bfa8dd8c61e2ab08eec099 /drivers/s390/cio/qdio_thinint.c | |
| parent | 1da1092dbf61a0c0aab02048232f5e9fcab15861 (diff) | |
| download | linux-a8a4ee2740bb6224271f06742884ec375c42cb9e.tar.gz linux-a8a4ee2740bb6224271f06742884ec375c42cb9e.tar.bz2 linux-a8a4ee2740bb6224271f06742884ec375c42cb9e.zip | |
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>
Diffstat (limited to 'drivers/s390/cio/qdio_thinint.c')
| -rw-r--r-- | drivers/s390/cio/qdio_thinint.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c index ea09df7209f0..c78c8dd18a89 100644 --- a/drivers/s390/cio/qdio_thinint.c +++ b/drivers/s390/cio/qdio_thinint.c @@ -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. |