linux-kernel - [tip: sched/fifo] sched,ivtv: Convert to sched_set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <159557962710.4006.4061141520149933157.tip-bot2@tip-bot2>
Date:   Fri, 24 Jul 2020 08:33:47 -0000
From:   "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     awalls@...metrocast.net,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: sched/fifo] sched,ivtv: Convert to sched_set_fifo*()

The following commit has been merged into the sched/fifo branch of tip:

Commit-ID:     73f73cc2432acf2e1c8a1ce0720eaced7b5dda16
Gitweb:        https://git.kernel.org/tip/73f73cc2432acf2e1c8a1ce0720eaced7b5dda16
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Tue, 21 Apr 2020 12:09:13 +02:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Mon, 15 Jun 2020 14:10:22 +02:00

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@...metrocast.net
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Ingo Molnar <mingo@...nel.org>
Acked-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Tested-by: Hans Verkuil <hverkuil-cisco@...all.nl>
---
 drivers/media/pci/ivtv/ivtv-driver.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index b1dde1b..28acb14 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);