Re: [PATCH] iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue_hcmd()

From: Kalle Valo
Date: Sat Mar 13 2021 - 12:07:30 EST


Luca Coelho <luca@xxxxxxxxx> writes:

> On Sat, 2021-03-13 at 16:43 +0100, Jiri Kosina wrote:
>> On Sat, 13 Mar 2021, Kalle Valo wrote:
>>
>> > > > > From: Jiri Kosina <jkosina@xxxxxxx>
>> > > > >
>> > > > > 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.

Ok, can I have your ack for patchwork?

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