public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Aaron Tomlin <atomlin@atomlin.com>
To: linux-kernel@vger.kernel.org
Cc: tj@kernel.org, jiangshanlai@gmail.com, peterz@infradead.org
Subject: [RFC PATCH 2/2] workqueue: Simplify current_is_workqueue_rescuer()
Date: Sat, 29 Jul 2023 14:53:34 +0100	[thread overview]
Message-ID: <20230729135334.566138-3-atomlin@atomlin.com> (raw)
In-Reply-To: <20230729135334.566138-1-atomlin@atomlin.com>

No functional change.

This patch simplifies current_is_workqueue_rescuer()
due to the addition of PF_WQ_RESCUE_WORKER.

Signed-off-by: Aaron Tomlin <atomlin@atomlin.com>
---
 kernel/workqueue.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 6d38d714b72b..3b7a4d60cb6a 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -4890,9 +4890,9 @@ EXPORT_SYMBOL(current_work);
  */
 bool current_is_workqueue_rescuer(void)
 {
-	struct worker *worker = current_wq_worker();
-
-	return worker && worker->rescue_wq;
+	if (in_task() && (current->flags & PF_WQ_RESCUE_WORKER))
+		return true;
+	return false;
 }
 
 /**
-- 
2.39.1


  parent reply	other threads:[~2023-07-29 13:56 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-29 13:53 [RFC PATCH 0/2] workqueue: Introduce PF_WQ_RESCUE_WORKER Aaron Tomlin
2023-07-29 13:53 ` [RFC PATCH 1/2] " Aaron Tomlin
2023-07-29 16:07   ` Peter Zijlstra
2023-08-01 10:04     ` Aaron Tomlin
2023-07-29 13:53 ` Aaron Tomlin [this message]
2023-07-31 23:35 ` [RFC PATCH 0/2] " Tejun Heo
2023-08-01 10:53   ` Aaron Tomlin
2023-08-02 18:10     ` Tejun Heo
2023-08-03 20:19       ` Aaron Tomlin
2023-08-03 20:34         ` Tejun Heo
2023-08-05 23:45           ` Aaron Tomlin
2023-12-11 14:51 ` Juri Lelli
2023-12-11 18:39   ` Tejun Heo
2023-12-12  9:56     ` Juri Lelli
2023-12-12 17:14       ` Tejun Heo
2023-12-12 19:06         ` Aaron Tomlin
2023-12-12 20:16           ` Tejun Heo
2023-12-13  8:59         ` Juri Lelli
2023-12-13 15:35           ` Tejun Heo
2023-12-13 18:32             ` Juri Lelli
2023-12-13 18:38               ` Tejun Heo
2023-12-14 11:25                 ` Juri Lelli
2023-12-14 19:47                   ` Tejun Heo
2023-12-15  6:50                     ` Juri Lelli
2023-12-19  8:55                       ` Juri Lelli

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230729135334.566138-3-atomlin@atomlin.com \
    --to=atomlin@atomlin.com \
    --cc=jiangshanlai@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=peterz@infradead.org \
    --cc=tj@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox