diff options
| author |   Julian Wiedmann <jwi@linux.ibm.com> | 2021-08-24 09:37:06 +0300 |
|---|---|---|
| committer |   Heiko Carstens <hca@linux.ibm.com> | 2021-12-06 14:42:24 +0100 |
| commit | 718ce9e10171f70f2d00c3c89ceb7e406a892bb6 (patch) | |
| tree | c27de76c28b592d4e758e840addb1459e195510e /drivers/s390/cio/qdio_setup.c | |
| parent | s390/qdio: improve handling of CIWs (diff) | |
| download | linux-dev-718ce9e10171f70f2d00c3c89ceb7e406a892bb6.tar.xz linux-dev-718ce9e10171f70f2d00c3c89ceb7e406a892bb6.zip | |
s390/qdio: avoid allocating the qdio_irq with GFP_DMA
The qdio_irq contains only two fields that are directly exposed to the
HW (ccw and qib). And only the ccw needs to reside in 31-bit memory. So
allocate it separately, and remove the GFP_DMA constraint from the
qdio_irq allocation.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/s390/cio/qdio_setup.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index 766f1e849fae..fd663922d7d5 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -356,7 +356,6 @@ void qdio_setup_irq(struct qdio_irq *irq_ptr, struct qdio_initialize *init_data) struct ccw_device *cdev = irq_ptr->cdev; irq_ptr->qdioac1 = 0; - memset(&irq_ptr->ccw, 0, sizeof(irq_ptr->ccw)); memset(&irq_ptr->ssqd_desc, 0, sizeof(irq_ptr->ssqd_desc)); memset(&irq_ptr->perf_stat, 0, sizeof(irq_ptr->perf_stat)); |