From: Jiri Kosina <jikos@kernel.org>
To: Kalle Valo <kvalo@codeaurora.org>
Cc: Luca Coelho <luciano.coelho@intel.com>,
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 16:43:10 +0100 (CET) [thread overview]
Message-ID: <nycvar.YFH.7.76.2103131642290.12405@cbobk.fhfr.pm> (raw)
In-Reply-To: <87h7lfbowr.fsf@tynnyri.adurom.net>
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.
Thanks,
--
Jiri Kosina
SUSE Labs
next prev parent reply other threads:[~2021-03-13 15:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-02 10:26 [PATCH] iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue_hcmd() 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 [this message]
2021-03-13 16:32 ` Luca Coelho
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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