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authorErik Stromdahl <erik.stromdahl@gmail.com>2018-09-04 15:07:07 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-25 15:53:49 +0100
commit62396b1bfec4764245d99d13f21504bc6cc68fd9 (patch)
treefaadb57c2b5c053746ab7b2a147eadf41ee65ec8 /tools/perf/scripts/python/netdev-times.py
parent2792933670dd893796b6f159dc28c5b7d08d915b (diff)
ath10k: wmi: disable softirq's while calling ieee80211_rx
[ Upstream commit 37f62c0d5822f631b786b29a1b1069ab714d1a28 ] This is done in order not to trig the below warning in ieee80211_rx_napi: WARN_ON_ONCE(softirq_count() == 0); ieee80211_rx_napi requires that softirq's are disabled during execution. The High latency bus drivers (SDIO and USB) sometimes call the wmi ep_rx_complete callback from non softirq context, resulting in a trigger of the above warning. Calling ieee80211_rx_ni with softirq's already disabled (e.g., from softirq context) should be safe as the local_bh_disable and local_bh_enable functions (called from ieee80211_rx_ni) are fully reentrant. Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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