linux-kernel - Re: [PATCH] iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CA+icZUW9uctLqNYro3ASDkwofE61Cz4E_qTjk_XQnzv-1s++aw@mail.gmail.com>
Date:   Sat, 13 Mar 2021 06:49:27 +0100
From:   Sedat Dilek <sedat.dilek@...il.com>
To:     Kalle Valo <kvalo@...eaurora.org>
Cc:     Jiri Kosina <jikos@...nel.org>,
        Luca Coelho <luciano.coelho@...el.com>,
        Johannes Berg <johannes.berg@...el.com>,
        Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue_hcmd()

On Sat, Mar 13, 2021 at 6:45 AM Kalle Valo <kvalo@...eaurora.org> wrote:
>
> Jiri Kosina <jikos@...nel.org> writes:
>
> > On Mon, 8 Mar 2021, Jiri Kosina wrote:
> >
> >> > From: Jiri Kosina <jkosina@...e.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?
>

If you do so, please add:

Tested-by: Sedat Dilek <sedat.dilek@...il.com> # LLVM/Clang v12.0.0-rc3

- Sedat -

> --
> https://patchwork.kernel.org/project/linux-wireless/list/
>
> https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches