linux-kernel - [tip: sched/core] sched/wait: Remove unused bit_wait_io

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <172837417767.1442.4080625791503272844.tip-bot2@tip-bot2>
Date: Tue, 08 Oct 2024 07:56:17 -0000
From: "tip-bot2 for Dr. David Alan Gilbert" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Dr. David Alan Gilbert" <linux@...blig.org>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>,
 Tim Chen <tim.c.chen@...ux.intel.com>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: sched/core] sched/wait: Remove unused bit_wait_io_timeout

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

Commit-ID:     0ac8f14ef22a1592b44dc90272aab35e43b0106a
Gitweb:        https://git.kernel.org/tip/0ac8f14ef22a1592b44dc90272aab35e43b0106a
Author:        Dr. David Alan Gilbert <linux@...blig.org>
AuthorDate:    Wed, 02 Oct 2024 00:40:16 +01:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Mon, 07 Oct 2024 09:28:41 +02:00

sched/wait: Remove unused bit_wait_io_timeout

bit_wait_io_timeout has been unused since 2016's
commit 62906027091f ("mm: add PageWaiters indicating tasks are waiting for a page bit")

Remove it.

Signed-off-by: "Dr. David Alan Gilbert" <linux@...blig.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Tim Chen <tim.c.chen@...ux.intel.com>
Link: https://lore.kernel.org/r/20241001234016.231696-1-linux@treblig.org
---
 include/linux/wait_bit.h |  1 -
 kernel/sched/wait_bit.c  | 14 --------------
 2 files changed, 15 deletions(-)

diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h
index 6346e26..9e29d79 100644
--- a/include/linux/wait_bit.h
+++ b/include/linux/wait_bit.h
@@ -49,7 +49,6 @@ int wake_bit_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync
 extern int bit_wait(struct wait_bit_key *key, int mode);
 extern int bit_wait_io(struct wait_bit_key *key, int mode);
 extern int bit_wait_timeout(struct wait_bit_key *key, int mode);
-extern int bit_wait_io_timeout(struct wait_bit_key *key, int mode);
 
 /**
  * wait_on_bit - wait for a bit to be cleared
diff --git a/kernel/sched/wait_bit.c b/kernel/sched/wait_bit.c
index 22ec270..b410b61 100644
--- a/kernel/sched/wait_bit.c
+++ b/kernel/sched/wait_bit.c
@@ -266,20 +266,6 @@ __sched int bit_wait_timeout(struct wait_bit_key *word, int mode)
 }
 EXPORT_SYMBOL_GPL(bit_wait_timeout);
 
-__sched int bit_wait_io_timeout(struct wait_bit_key *word, int mode)
-{
-	unsigned long now = READ_ONCE(jiffies);
-
-	if (time_after_eq(now, word->timeout))
-		return -EAGAIN;
-	io_schedule_timeout(word->timeout - now);
-	if (signal_pending_state(mode, current))
-		return -EINTR;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(bit_wait_io_timeout);
-
 void __init wait_bit_init(void)
 {
 	int i;