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authorPeter Zijlstra2020-04-21 12:09:13 +0200
committerPeter Zijlstra2020-06-15 14:10:22 +0200
commit73f73cc2432acf2e1c8a1ce0720eaced7b5dda16 (patch)
tree7c5e7beccbeb9f0d3a509c7b741df55e197b0f93 /drivers/media/pci/ivtv
parent7b31e940b17bc47ca2f5e332c166231f01317469 (diff)
sched,ivtv: Convert to sched_set_fifo*()
Because SCHED_FIFO is a broken scheduler model (see previous patches) take away the priority field, the kernel can't possibly make an informed decision. Effectively changes from 99 to 50. Cc: awalls@md.metrocast.net Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Ingo Molnar <mingo@kernel.org> Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Tested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/pci/ivtv')
-rw-r--r--drivers/media/pci/ivtv/ivtv-driver.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index b1dde1be6f5e..28acb14490d5 100644
--- a/drivers/media/pci/ivtv/ivtv-driver.c
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -737,8 +737,6 @@ done:
*/
static int ivtv_init_struct1(struct ivtv *itv)
{
- struct sched_param param = { .sched_priority = 99 };
-
itv->base_addr = pci_resource_start(itv->pdev, 0);
itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
@@ -758,7 +756,7 @@ static int ivtv_init_struct1(struct ivtv *itv)
return -1;
}
/* must use the FIFO scheduler as it is realtime sensitive */
- sched_setscheduler(itv->irq_worker_task, SCHED_FIFO, &param);
+ sched_set_fifo(itv->irq_worker_task);
kthread_init_work(&itv->irq_work, ivtv_irq_work_handler);