From: Erik Stromdahl <erik.stromdahl@gmail.com>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>,
johannes@sipsolutions.net, davem@davemloft.net,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mac80211: fix possible deadlock in TX path
Date: Wed, 1 May 2019 13:06:47 +0200 [thread overview]
Message-ID: <656f3938-ef82-c1ce-753c-cb6b9d3c424b@gmail.com> (raw)
In-Reply-To: <87k1fcnd9y.fsf@toke.dk>
On 4/30/19 9:49 AM, Toke Høiland-Jørgensen wrote:
> Erik Stromdahl <erik.stromdahl@gmail.com> writes:
>
>> This patch fixes a possible deadlock when updating the TX statistics
>> (when calling into ieee80211_tx_stats()) from ieee80211_tx_dequeue().
>
> So is this the fix for the issue with TX scheduling you reported
> earlier? :)
>
Actually not. I thought so initially, but then, after a few more test runs,
I was able to run into the issue again.
But it does seem to fix the other issue with the RCU stall since I haven't
seen it with this patch applied (could be just a coincidence though).
--
Erik
next prev parent reply other threads:[~2019-05-01 11:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-27 20:41 [PATCH] mac80211: fix possible deadlock in TX path Erik Stromdahl
2019-04-30 7:49 ` Toke Høiland-Jørgensen
2019-05-01 11:06 ` Erik Stromdahl [this message]
2019-05-14 8:33 ` Johannes Berg
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=656f3938-ef82-c1ce-753c-cb6b9d3c424b@gmail.com \
--to=erik.stromdahl@gmail.com \
--cc=davem@davemloft.net \
--cc=johannes@sipsolutions.net \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=toke@redhat.com \
/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