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charset="utf-8" This patch continues the effort to refactor workqueue APIs, which has begun with the changes introducing new workqueues and a new alloc_workqueue flag: commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq") commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag") The point of the refactoring is to eventually alter the default behavior of workqueues to become unbound by default so that their workload placement is optimized by the scheduler. Before that to happen after a careful review and conversion of each individ= ual case, workqueue users must be converted to the better named new workqueues = with no intended behaviour changes: system_wq -> system_percpu_wq system_unbound_wq -> system_dfl_wq This way the old obsolete workqueues (system_wq, system_unbound_wq) can be removed in the future. Suggested-by: Tejun Heo Signed-off-by: Marco Crivellari --- drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/w= ireless/intel/iwlwifi/iwl-trans.h index a0cc5d7745e8..7e84074e1a3c 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -1092,7 +1092,7 @@ static inline void iwl_trans_schedule_reset(struct iw= l_trans *trans, */ trans->restart.during_reset =3D test_bit(STATUS_IN_SW_RESET, &trans->status); - queue_delayed_work(system_unbound_wq, &trans->restart.wk, 0); + queue_delayed_work(system_dfl_wq, &trans->restart.wk, 0); } =20 static inline void iwl_trans_fw_error(struct iwl_trans *trans, --=20 2.51.1 From nobody Tue Dec 2 02:04:29 2025 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB70B30E82E for ; 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charset="utf-8" This patch continues the effort to refactor workqueue APIs, which has begun with the changes introducing new workqueues and a new alloc_workqueue flag: commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq") commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag") The point of the refactoring is to eventually alter the default behavior of workqueues to become unbound by default so that their workload placement is optimized by the scheduler. Before that to happen after a careful review and conversion of each individ= ual case, workqueue users must be converted to the better named new workqueues = with no intended behaviour changes: system_wq -> system_percpu_wq system_unbound_wq -> system_dfl_wq This way the old obsolete workqueues (system_wq, system_unbound_wq) can be removed in the future. Suggested-by: Tejun Heo Signed-off-by: Marco Crivellari --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wire= less/intel/iwlwifi/fw/dbg.c index 2ce55859641c..e5f31b82339a 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2933,7 +2933,7 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fw= rt, IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n", le32_to_cpu(desc->trig_desc.type)); =20 - queue_delayed_work(system_unbound_wq, &wk_data->wk, + queue_delayed_work(system_dfl_wq, &wk_data->wk, usecs_to_jiffies(delay)); =20 return 0; @@ -3237,7 +3237,7 @@ int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwr= t, if (sync) iwl_fw_dbg_collect_sync(fwrt, idx); else - queue_delayed_work(system_unbound_wq, + queue_delayed_work(system_dfl_wq, &fwrt->dump.wks[idx].wk, usecs_to_jiffies(delay)); =20 --=20 2.51.1 From nobody Tue Dec 2 02:04:29 2025 Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E31AF313267 for ; 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Thu, 20 Nov 2025 02:09:02 -0800 (PST) Received: from localhost.localdomain ([2a00:6d43:105:c401:e307:1a37:2e76:ce91]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-477a9de46cdsm58914125e9.8.2025.11.20.02.09.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Nov 2025 02:09:02 -0800 (PST) From: Marco Crivellari To: linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org Cc: Tejun Heo , Lai Jiangshan , Frederic Weisbecker , Sebastian Andrzej Siewior , Marco Crivellari , Michal Hocko , Miri Korenblit , Johannes Berg Subject: [PATCH v2 3/3] wifi: iwlwifi: nvm: replace use of system_wq with system_percpu_wq Date: Thu, 20 Nov 2025 11:08:50 +0100 Message-ID: <20251120100850.66192-4-marco.crivellari@suse.com> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251120100850.66192-1-marco.crivellari@suse.com> References: <20251120100850.66192-1-marco.crivellari@suse.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This patch continues the effort to refactor workqueue APIs, which has begun with the changes introducing new workqueues and a new alloc_workqueue flag: commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq") commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag") The point of the refactoring is to eventually alter the default behavior of workqueues to become unbound by default so that their workload placement is optimized by the scheduler. Before that to happen after a careful review and conversion of each individ= ual case, workqueue users must be converted to the better named new workqueues = with no intended behaviour changes: system_wq -> system_percpu_wq system_unbound_wq -> system_dfl_wq This way the old obsolete workqueues (system_wq, system_unbound_wq) can be removed in the future. Suggested-by: Tejun Heo Signed-off-by: Marco Crivellari --- drivers/net/wireless/intel/iwlwifi/mvm/tdls.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c b/drivers/net/wi= reless/intel/iwlwifi/mvm/tdls.c index 36379b738de1..0df31639fa5e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c @@ -234,7 +234,7 @@ void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct = iwl_rx_cmd_buffer *rxb) * Also convert TU to msec. */ delay =3D TU_TO_MS(vif->bss_conf.dtim_period * vif->bss_conf.beacon_int); - mod_delayed_work(system_wq, &mvm->tdls_cs.dwork, + mod_delayed_work(system_percpu_wq, &mvm->tdls_cs.dwork, msecs_to_jiffies(delay)); =20 iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_ACTIVE); @@ -548,7 +548,7 @@ iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw, */ delay =3D 2 * TU_TO_MS(vif->bss_conf.dtim_period * vif->bss_conf.beacon_int); - mod_delayed_work(system_wq, &mvm->tdls_cs.dwork, + mod_delayed_work(system_percpu_wq, &mvm->tdls_cs.dwork, msecs_to_jiffies(delay)); return 0; } @@ -659,6 +659,6 @@ iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *h= w, /* register a timeout in case we don't succeed in switching */ delay =3D vif->bss_conf.dtim_period * vif->bss_conf.beacon_int * 1024 / 1000; - mod_delayed_work(system_wq, &mvm->tdls_cs.dwork, + mod_delayed_work(system_percpu_wq, &mvm->tdls_cs.dwork, msecs_to_jiffies(delay)); } --=20 2.51.1