public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Ping-Ke Shih <pkshih@realtek.com>
To: Sergey Korolev <korolev.sergey@gmail.com>,
	Kalle Valo <kvalo@kernel.org>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: PROBLEM: kernel warns about voluntary context switch within RCU critical section in rtw88_usb
Date: Tue, 22 Aug 2023 01:47:34 +0000	[thread overview]
Message-ID: <bfaa8714467a4954a045475e062f78b1@realtek.com> (raw)
In-Reply-To: <CA+QjRnJ+YMdOM0OzwG+Pz8-mTPo5nZVioCjbz1xY0jVSGXBk7w@mail.gmail.com>



From: Sergey Korolev <korolev.sergey@gmail.com> 
Sent: Monday, August 21, 2023 10:28 PM
To: Ping-Ke Shih <pkshih@realtek.com>; Kalle Valo <kvalo@kernel.org>; linux-wireless@vger.kernel.org; linux-kernel@vger.kernel.org
Subject: PROBLEM: kernel warns about voluntary context switch within RCU critical section in rtw88_usb
> 
> Please note I use an unmodified driver from the upstream 28c11c29494f1b34e39641eead9c60a8bd26170d
> ("wifi: rtw88: fix not entering PS mode after AP stops") build for 6.2 kernel (Ubuntu 23.04).

I feel Martin has been addressed this problem during development of SDIO and USB
by 8a1e2fd8e2da ("wifi: rtw88: Move register access from rtw_bf_assoc() outside the RCU")
Please take a look if this patch is existing in your source. 

Ping-Ke


       reply	other threads:[~2023-08-22  1:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CA+QjRnJ+YMdOM0OzwG+Pz8-mTPo5nZVioCjbz1xY0jVSGXBk7w@mail.gmail.com>
2023-08-22  1:47 ` Ping-Ke Shih [this message]
2023-08-22  5:41   ` PROBLEM: kernel warns about voluntary context switch within RCU critical section in rtw88_usb Kalle Valo
2023-08-22  5:46     ` Ping-Ke Shih

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=bfaa8714467a4954a045475e062f78b1@realtek.com \
    --to=pkshih@realtek.com \
    --cc=korolev.sergey@gmail.com \
    --cc=kvalo@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-wireless@vger.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