Re: [PATCH 06/32] s390/airq: allow for airq structure that uses an input vector
From: Thomas Huth <hidden>
Date: 2021-12-08 10:04:57
Also in:
linux-s390, lkml
On 07/12/2021 21.57, Matthew Rosato wrote:
When doing device passthrough where interrupts are being forwarded from host to guest, we wish to use a pinned section of guest memory as the vector (the same memory used by the guest as the vector). Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> ---
[...]
quoted hunk ↗ jump to hunk
diff --git a/arch/s390/pci/pci_irq.c b/arch/s390/pci/pci_irq.c index 880bcd73f11a..dfd4f3276a6d 100644 --- a/arch/s390/pci/pci_irq.c +++ b/arch/s390/pci/pci_irq.c
[...]
quoted hunk ↗ jump to hunk
@@ -443,7 +443,7 @@ static int __init zpci_directed_irq_init(void) zpci_ibv[cpu] = airq_iv_create(cache_line_size() * BITS_PER_BYTE, AIRQ_IV_DATA | AIRQ_IV_CACHELINE | - (!cpu ? AIRQ_IV_ALLOC : 0)); + (!cpu ? AIRQ_IV_ALLOC : 0), 0);
Nit: Indentation changed
quoted hunk ↗ jump to hunk
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index 52c376d15978..ff84f45587be 100644 --- a/drivers/s390/virtio/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c@@ -241,7 +241,7 @@ static struct airq_info *new_airq_info(int index) return NULL; rwlock_init(&info->lock); info->aiv = airq_iv_create(VIRTIO_IV_BITS, AIRQ_IV_ALLOC | AIRQ_IV_PTR - | AIRQ_IV_CACHELINE); + | AIRQ_IV_CACHELINE, 0);
dito
if (!info->aiv) {
kfree(info);
return NULL;Thomas