All of lore.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.