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wifi: mt76: Move RCU section in mt7996_mcu_set_fixed_field()

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Since mt76_mcu_skb_send_msg() routine can't be executed in atomic context,
move RCU section in mt7996_mcu_set_fixed_field() and execute
mt76_mcu_skb_send_msg() in non-atomic context. This is a preliminary
patch to fix a 'sleep while atomic' issue in mt7996_mac_sta_rc_work().

Fixes: 0762bdd30279 ("wifi: mt76: mt7996: rework mt7996_mac_sta_rc_work to support MLO")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2025-06-18 16:28:19 +02:00
committed by Felix Fietkau
parent f294304688
commit 656eb209ec
4 changed files with 57 additions and 29 deletions
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mt7996/mac.c
+2 -3
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@@ -2405,11 +2405,10 @@ void mt7996_mac_sta_rc_work(struct work_struct *work)
IEEE80211_RC_BW_CHANGED))
mt7996_mcu_add_rate_ctrl(dev, vif, link_conf,
link_sta, link, msta_link,
true);
link_id, true);
if (changed & IEEE80211_RC_SMPS_CHANGED)
mt7996_mcu_set_fixed_field(dev, link_sta, link,
msta_link, NULL,
mt7996_mcu_set_fixed_field(dev, msta, NULL, link_id,
RATE_PARAM_MMPS_UPDATE);
spin_lock_bh(&dev->mt76.sta_poll_lock);