From: Johannes Berg <johannes@sipsolutions.net>
To: Sander Eikelenboom <linux@eikelenboom.it>,
linux-wireless <linux-wireless@vger.kernel.org>,
Arend Van Spriel <arend.vanspriel@broadcom.com>
Cc: netdev@vger.kernel.org
Subject: Re: 4.12-RC2 BUG: scheduling while atomic: irq/47-iwlwifi
Date: Mon, 22 May 2017 12:57:08 +0200 [thread overview]
Message-ID: <1495450628.2653.14.camel@sipsolutions.net> (raw)
In-Reply-To: <a54f3f4f-2365-2154-ad18-82e4cd572aac@eikelenboom.it> (sfid-20170522_124945_484427_F6127CF5)
On Mon, 2017-05-22 at 12:36 +0200, Sander Eikelenboom wrote:
> Hi,
>
> I encountered this splat with 4.12-RC2.
Ugh, yeah, I should've seen that in the review.
Arend, please take a look at this. cfg80211_sched_scan_results() cannot
sleep, so you can't rtnl_lock() in there. Looks like you can just rely
on RCU though?
johannes
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
To: Sander Eikelenboom
<linux-6SM94LqRVpn6gRhOQ7JHfg@public.gmane.org>,
linux-wireless
<linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Arend Van Spriel
<arend.vanspriel-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: 4.12-RC2 BUG: scheduling while atomic: irq/47-iwlwifi
Date: Mon, 22 May 2017 12:57:08 +0200 [thread overview]
Message-ID: <1495450628.2653.14.camel@sipsolutions.net> (raw)
In-Reply-To: <a54f3f4f-2365-2154-ad18-82e4cd572aac-6SM94LqRVpn6gRhOQ7JHfg@public.gmane.org> (sfid-20170522_124945_484427_F6127CF5)
On Mon, 2017-05-22 at 12:36 +0200, Sander Eikelenboom wrote:
> Hi,
>
> I encountered this splat with 4.12-RC2.
Ugh, yeah, I should've seen that in the review.
Arend, please take a look at this. cfg80211_sched_scan_results() cannot
sleep, so you can't rtnl_lock() in there. Looks like you can just rely
on RCU though?
johannes
next prev parent reply other threads:[~2017-05-22 10:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-22 10:36 4.12-RC2 BUG: scheduling while atomic: irq/47-iwlwifi Sander Eikelenboom
2017-05-22 10:36 ` Sander Eikelenboom
2017-05-22 10:57 ` Johannes Berg [this message]
2017-05-22 10:57 ` Johannes Berg
2017-05-22 12:09 ` Arend van Spriel
2017-05-22 21:02 ` Arend Van Spriel
2017-05-22 21:02 ` Arend Van Spriel
2017-05-22 21:04 ` Johannes Berg
2017-05-23 7:19 ` Arend Van Spriel
2017-05-23 7:22 ` Johannes Berg
2017-05-23 7:24 ` Arend Van Spriel
2017-05-23 7:24 ` Arend Van Spriel
2017-05-23 17:51 ` Sander Eikelenboom
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=1495450628.2653.14.camel@sipsolutions.net \
--to=johannes@sipsolutions.net \
--cc=arend.vanspriel@broadcom.com \
--cc=linux-wireless@vger.kernel.org \
--cc=linux@eikelenboom.it \
--cc=netdev@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 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.