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Subject: Re: [PATCH for -next] iwlwifi: pcie: don't enable BHs with IRQs
 disabled
From:   Kalle Valo <kvalo@codeaurora.org>
In-Reply-To: <iwlwifi.20210415164821.d0f2edda1651.I75f762e0bed38914d1300ea198b86dd449b4b206@changeid>
References: <iwlwifi.20210415164821.d0f2edda1651.I75f762e0bed38914d1300ea198b86dd449b4b206@changeid>
To:     Luca Coelho <luca@coelho.fi>
Cc:     luca@coelho.fi, jikos@kernel.org, hdegoede@redhat.com,
        johannes@sipsolutions.net, linux-wireless@vger.kernel.org
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Message-Id: <20210418063802.6D20AC4338A@smtp.codeaurora.org>
Date:   Sun, 18 Apr 2021 06:38:02 +0000 (UTC)
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Luca Coelho <luca@coelho.fi> wrote:

> From: Johannes Berg <johannes.berg@intel.com>
> 
> After the fix from Jiri that disabled local IRQs instead of
> just BHs (necessary to fix an issue with submitting a command
> with IRQs already disabled), there was still a situation in
> which we could deep in there enable BHs, if the device config
> sets the apmg_wake_up_wa configuration, which is true on all
> 7000 series devices.
> 
> To fix that, but not require reverting commit 1ed08f6fb5ae
> ("iwlwifi: remove flags argument for nic_access"), split up
> nic access into a version with BH manipulation to use most
> of the time, and without it for this specific case where the
> local IRQs are already disabled.
> 
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

Patch applied to wireless-drivers-next.git, thanks.

c544d89b0d67 iwlwifi: pcie: don't enable BHs with IRQs disabled

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/iwlwifi.20210415164821.d0f2edda1651.I75f762e0bed38914d1300ea198b86dd449b4b206@changeid/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches