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authorLaura Abbott <labbott@redhat.com>2018-04-13 14:24:12 -0700
committerOded Gabbay <oded.gabbay@gmail.com>2018-04-13 14:24:12 -0700
commitaf47b390273f1068bdb1d01263a81948c4e2f97a (patch)
tree6f8dcc6b3ea0763846970c04063f75aff9bd358b /drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
parentc129db1206bd11ab0531a4d91a455a0809acae0e (diff)
drm/amdkfd: Remove vla
There's an ongoing effort to remove VLAs[1] from the kernel to eventually turn on -Wvla. Switch to a constant value that covers all hardware. [1] https://lkml.org/lkml/2018/3/7/621 Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
index 035c351f47c5..db6d9336b80d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
@@ -139,10 +139,12 @@ static void interrupt_wq(struct work_struct *work)
{
struct kfd_dev *dev = container_of(work, struct kfd_dev,
interrupt_work);
+ uint32_t ih_ring_entry[KFD_MAX_RING_ENTRY_SIZE];
- uint32_t ih_ring_entry[DIV_ROUND_UP(
- dev->device_info->ih_ring_entry_size,
- sizeof(uint32_t))];
+ if (dev->device_info->ih_ring_entry_size > sizeof(ih_ring_entry)) {
+ dev_err_once(kfd_chardev(), "Ring entry too small\n");
+ return;
+ }
while (dequeue_ih_ring_entry(dev, ih_ring_entry))
dev->device_info->event_interrupt_class->interrupt_wq(dev,