From: Luca Coelho <luca@coelho.fi>
To: Jiri Kosina <jikos@kernel.org>, Kalle Valo <kvalo@codeaurora.org>
Cc: Johannes Berg <johannes.berg@intel.com>,
Emmanuel Grumbach <emmanuel.grumbach@intel.com>,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue_hcmd()
Date: Sat, 13 Mar 2021 18:32:26 +0200 [thread overview]
Message-ID: <f103b4a29b7c1942f091bd7b90d7a927d72c20a2.camel@coelho.fi> (raw)
In-Reply-To: <nycvar.YFH.7.76.2103131642290.12405@cbobk.fhfr.pm>
On Sat, 2021-03-13 at 16:43 +0100, Jiri Kosina wrote:
> On Sat, 13 Mar 2021, Kalle Valo wrote:
>
> > > > > From: Jiri Kosina <jkosina@suse.cz>
> > > > >
> > > > > It's possible for iwl_pcie_enqueue_hcmd() to be called with hard IRQs
> > > > > disabled (e.g. from LED core). We can't enable BHs in such a situation.
> > > > >
> > > > > Turn the unconditional BH-enable/BH-disable code into
> > > > > hardirq-disable/conditional-enable.
> > > > >
> > > > > This fixes the warning below.
> > > >
> > > > Hi,
> > > >
> > > > friendly ping on this one ...
> > >
> > > Luca,
> > >
> > > Johannes is telling me that he merged this patch internally, but I have no
> > > idea what is happening to it ... ?
> > >
> > > The reported splat is a clear bug, so it should be fixed one way or the
> > > other.
> >
> > Should I take this to wireless-drivers?
>
> I can't speak for the maintainers, but as far as I am concerned, it
> definitely is a 5.12 material, as it fixes real scheduling bug.
Yes, please take this to w-d. We have a similar patch internally, but
there's a backlog and it will take me some time to get to it. I'll
resolve eventual conflicts when time comes.
Thanks!
--
Cheers,
Luca.
next prev parent reply other threads:[~2021-03-13 17:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-02 10:26 Jiri Kosina
2021-03-08 8:25 ` Jiri Kosina
2021-03-13 1:44 ` Jiri Kosina
2021-03-13 5:31 ` Kalle Valo
2021-03-13 5:49 ` Sedat Dilek
2021-03-13 15:43 ` Jiri Kosina
2021-03-13 16:32 ` Luca Coelho [this message]
2021-03-13 17:06 ` Kalle Valo
2021-03-13 17:35 ` Luca Coelho
2021-03-22 12:12 ` Jiri Kosina
2021-03-23 9:13 ` Sedat Dilek
2021-03-23 9:25 ` Jiri Kosina
2021-03-23 9:35 ` Kalle Valo
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