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Fri, 05 Sep 2025 01:58:15 -0700 (PDT) Received: from localhost.localdomain ([2a00:6d43:105:c401:e307:1a37:2e76:ce91]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b81a9e971sm334698915e9.18.2025.09.05.01.58.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Sep 2025 01:58:15 -0700 (PDT) From: Marco Crivellari To: linux-kernel@vger.kernel.org Cc: Tejun Heo , Lai Jiangshan , Frederic Weisbecker , Sebastian Andrzej Siewior , Marco Crivellari , Michal Hocko , Greg Kroah-Hartman , Jakub Kicinski , Alex Deucher Subject: [PATCH 1/3] drivers: replace use of system_unbound_wq with system_dfl_wq Date: Fri, 5 Sep 2025 10:57:59 +0200 Message-ID: <20250905085801.98754-2-marco.crivellari@suse.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250905085801.98754-1-marco.crivellari@suse.com> References: <20250905085801.98754-1-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" Currently if a user enqueue a work item using schedule_delayed_work() the used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to schedule_work() that is using system_wq and queue_work(), that makes use again of WORK_CPU_UNBOUND. This lack of consistentcy cannot be addressed without refactoring the API. system_unbound_wq should be the default workqueue so as not to enforce locality constraints for random work whenever it's not required. Adding system_dfl_wq to encourage its use when unbound work should be used. queue_work() / queue_delayed_work() / mod_delayed_work() will now use the new unbound wq: whether the user still use the old wq a warn will be printed along with a wq redirect to the new one. The old system_unbound_wq will be kept for a few release cycles. Suggested-by: Tejun Heo Signed-off-by: Marco Crivellari --- drivers/accel/ivpu/ivpu_pm.c | 2 +- drivers/acpi/scan.c | 2 +- drivers/base/dd.c | 2 +- drivers/char/random.c | 8 ++++---- drivers/gpu/drm/amd/amdgpu/aldebaran.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | 2 +- drivers/gpu/drm/drm_atomic_helper.c | 6 +++--- drivers/gpu/drm/i915/display/intel_display_power.c | 2 +- drivers/gpu/drm/i915/display/intel_tc.c | 4 ++-- drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 2 +- drivers/gpu/drm/i915/gt/uc/intel_guc.c | 4 ++-- drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 4 ++-- drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 6 +++--- drivers/gpu/drm/i915/i915_active.c | 2 +- drivers/gpu/drm/i915/i915_sw_fence_work.c | 2 +- drivers/gpu/drm/i915/i915_vma_resource.c | 2 +- drivers/gpu/drm/i915/pxp/intel_pxp.c | 2 +- drivers/gpu/drm/i915/pxp/intel_pxp_irq.c | 2 +- drivers/gpu/drm/nouveau/dispnv50/disp.c | 2 +- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +- drivers/gpu/drm/xe/xe_devcoredump.c | 2 +- drivers/gpu/drm/xe/xe_execlist.c | 2 +- drivers/gpu/drm/xe/xe_guc_ct.c | 4 ++-- drivers/gpu/drm/xe/xe_oa.c | 2 +- drivers/gpu/drm/xe/xe_vm.c | 4 ++-- drivers/hte/hte.c | 2 +- drivers/infiniband/core/ucma.c | 2 +- drivers/infiniband/hw/mlx5/odp.c | 4 ++-- drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c | 8 ++++---- drivers/scsi/qla2xxx/qla_os.c | 2 +- drivers/scsi/scsi_transport_iscsi.c | 2 +- drivers/soc/xilinx/zynqmp_power.c | 6 +++--- drivers/target/sbp/sbp_target.c | 8 ++++---- drivers/tty/serial/8250/8250_dw.c | 4 ++-- drivers/tty/tty_buffer.c | 8 ++++---- 36 files changed, 61 insertions(+), 61 deletions(-) diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c index b5891e91f7ab..118e6ca9a3de 100644 --- a/drivers/accel/ivpu/ivpu_pm.c +++ b/drivers/accel/ivpu/ivpu_pm.c @@ -181,7 +181,7 @@ void ivpu_pm_trigger_recovery(struct ivpu_device *vdev,= const char *reason) if (atomic_cmpxchg(&vdev->pm->reset_pending, 0, 1) =3D=3D 0) { ivpu_hw_diagnose_failure(vdev); ivpu_hw_irq_disable(vdev); /* Disable IRQ early to protect from IRQ stor= m */ - queue_work(system_unbound_wq, &vdev->pm->recovery_work); + queue_work(system_dfl_wq, &vdev->pm->recovery_work); } } =20 diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index fb1fe9f3b1a3..14fbac0b65c8 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -2389,7 +2389,7 @@ static bool acpi_scan_clear_dep_queue(struct acpi_dev= ice *adev) * initial enumeration of devices is complete, put it into the unbound * workqueue. */ - queue_work(system_unbound_wq, &cdw->work); + queue_work(system_dfl_wq, &cdw->work); =20 return true; } diff --git a/drivers/base/dd.c b/drivers/base/dd.c index f0e4b4aba885..fc778ed5552d 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -192,7 +192,7 @@ void driver_deferred_probe_trigger(void) * Kick the re-probe thread. It may already be scheduled, but it is * safe to kick it again. */ - queue_work(system_unbound_wq, &deferred_probe_work); + queue_work(system_dfl_wq, &deferred_probe_work); } =20 /** diff --git a/drivers/char/random.c b/drivers/char/random.c index 38f2fab29c56..97435cd6b819 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -259,8 +259,8 @@ static void crng_reseed(struct work_struct *work) u8 key[CHACHA_KEY_SIZE]; =20 /* Immediately schedule the next reseeding, so that it fires sooner rathe= r than later. */ - if (likely(system_unbound_wq)) - queue_delayed_work(system_unbound_wq, &next_reseed, crng_reseed_interval= ()); + if (likely(system_dfl_wq)) + queue_delayed_work(system_dfl_wq, &next_reseed, crng_reseed_interval()); =20 extract_entropy(key, sizeof(key)); =20 @@ -739,8 +739,8 @@ static void __cold _credit_init_bits(size_t bits) =20 if (orig < POOL_READY_BITS && new >=3D POOL_READY_BITS) { crng_reseed(NULL); /* Sets crng_init to CRNG_READY under base_crng.lock.= */ - if (static_key_initialized && system_unbound_wq) - queue_work(system_unbound_wq, &set_ready); + if (static_key_initialized && system_dfl_wq) + queue_work(system_dfl_wq, &set_ready); atomic_notifier_call_chain(&random_ready_notifier, 0, NULL); #ifdef CONFIG_VDSO_GETRANDOM WRITE_ONCE(vdso_k_rng_data->is_ready, true); diff --git a/drivers/gpu/drm/amd/amdgpu/aldebaran.c b/drivers/gpu/drm/amd/a= mdgpu/aldebaran.c index e13fbd974141..d6acacfb6f91 100644 --- a/drivers/gpu/drm/amd/amdgpu/aldebaran.c +++ b/drivers/gpu/drm/amd/amdgpu/aldebaran.c @@ -164,7 +164,7 @@ aldebaran_mode2_perform_reset(struct amdgpu_reset_contr= ol *reset_ctl, list_for_each_entry(tmp_adev, reset_device_list, reset_list) { /* For XGMI run all resets in parallel to speed up the process */ if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { - if (!queue_work(system_unbound_wq, + if (!queue_work(system_dfl_wq, &tmp_adev->reset_cntl->reset_work)) r =3D -EALREADY; } else diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/a= md/amdgpu/amdgpu_device.c index a30111d2c3ea..d4a2886d8c58 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5762,7 +5762,7 @@ int amdgpu_do_asic_reset(struct list_head *device_lis= t_handle, list_for_each_entry(tmp_adev, device_list_handle, reset_list) { /* For XGMI run all resets in parallel to speed up the process */ if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { - if (!queue_work(system_unbound_wq, + if (!queue_work(system_dfl_wq, &tmp_adev->xgmi_reset_work)) r =3D -EALREADY; } else diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/am= d/amdgpu/amdgpu_reset.c index dabfbdf6f1ce..1596b94b110d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c @@ -116,7 +116,7 @@ static int amdgpu_reset_xgmi_reset_on_init_perform_rese= t( /* Mode1 reset needs to be triggered on all devices together */ list_for_each_entry(tmp_adev, reset_device_list, reset_list) { /* For XGMI run all resets in parallel to speed up the process */ - if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work)) + if (!queue_work(system_dfl_wq, &tmp_adev->xgmi_reset_work)) r =3D -EALREADY; if (r) { dev_err(tmp_adev->dev, diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atom= ic_helper.c index 5302ab324898..aa539f316bf8 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -2100,13 +2100,13 @@ int drm_atomic_helper_commit(struct drm_device *dev, * current layout. * * NOTE: Commit work has multiple phases, first hardware commit, then - * cleanup. We want them to overlap, hence need system_unbound_wq to + * cleanup. We want them to overlap, hence need system_dfl_wq to * make sure work items don't artificially stall on each another. */ =20 drm_atomic_state_get(state); if (nonblock) - queue_work(system_unbound_wq, &state->commit_work); + queue_work(system_dfl_wq, &state->commit_work); else commit_tail(state); =20 @@ -2139,7 +2139,7 @@ EXPORT_SYMBOL(drm_atomic_helper_commit); * * Asynchronous workers need to have sufficient parallelism to be able to = run * different atomic commits on different CRTCs in parallel. The simplest w= ay to - * achieve this is by running them on the &system_unbound_wq work queue. N= ote + * achieve this is by running them on the &system_dfl_wq work queue. Note * that drivers are not required to split up atomic commits and run an * individual commit in parallel - userspace is supposed to do that if it = cares. * But it might be beneficial to do that for modesets, since those necessa= rily diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/g= pu/drm/i915/display/intel_display_power.c index f7171e6932dc..ff5166037ab5 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -611,7 +611,7 @@ queue_async_put_domains_work(struct i915_power_domains = *power_domains, power.domains); drm_WARN_ON(display->drm, power_domains->async_put_wakeref); power_domains->async_put_wakeref =3D wakeref; - drm_WARN_ON(display->drm, !queue_delayed_work(system_unbound_wq, + drm_WARN_ON(display->drm, !queue_delayed_work(system_dfl_wq, &power_domains->async_put_work, msecs_to_jiffies(delay_ms))); } diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915= /display/intel_tc.c index b8d14ed8a56e..7de1006f844d 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -1760,7 +1760,7 @@ bool intel_tc_port_link_reset(struct intel_digital_po= rt *dig_port) if (!intel_tc_port_link_needs_reset(dig_port)) return false; =20 - queue_delayed_work(system_unbound_wq, + queue_delayed_work(system_dfl_wq, &to_tc_port(dig_port)->link_reset_work, msecs_to_jiffies(2000)); =20 @@ -1842,7 +1842,7 @@ void intel_tc_port_unlock(struct intel_digital_port *= dig_port) struct intel_tc_port *tc =3D to_tc_port(dig_port); =20 if (!tc->link_refcount && tc->mode !=3D TC_PORT_DISCONNECTED) - queue_delayed_work(system_unbound_wq, &tc->disconnect_phy_work, + queue_delayed_work(system_dfl_wq, &tc->disconnect_phy_work, msecs_to_jiffies(1000)); =20 mutex_unlock(&tc->lock); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c b/drivers/gpu/drm= /i915/gem/i915_gem_ttm_move.c index 2f6b33edb9c9..008d5909a010 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c @@ -408,7 +408,7 @@ static void __memcpy_cb(struct dma_fence *fence, struct= dma_fence_cb *cb) =20 if (unlikely(fence->error || I915_SELFTEST_ONLY(fail_gpu_migration))) { INIT_WORK(©_work->work, __memcpy_work); - queue_work(system_unbound_wq, ©_work->work); + queue_work(system_dfl_wq, ©_work->work); } else { init_irq_work(©_work->irq_work, __memcpy_irq_work); irq_work_queue(©_work->irq_work); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/= gt/uc/intel_guc.c index 9df80c325fc1..8dbf6c82e241 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c @@ -617,7 +617,7 @@ int intel_guc_crash_process_msg(struct intel_guc *guc, = u32 action) else guc_err(guc, "Unknown crash notification: 0x%04X\n", action); =20 - queue_work(system_unbound_wq, &guc->dead_guc_worker); + queue_work(system_dfl_wq, &guc->dead_guc_worker); =20 return 0; } @@ -639,7 +639,7 @@ int intel_guc_to_host_process_recv_msg(struct intel_guc= *guc, guc_err(guc, "Received early exception notification!\n"); =20 if (msg & (INTEL_GUC_RECV_MSG_CRASH_DUMP_POSTED | INTEL_GUC_RECV_MSG_EXCE= PTION)) - queue_work(system_unbound_wq, &guc->dead_guc_worker); + queue_work(system_dfl_wq, &guc->dead_guc_worker); =20 return 0; } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i9= 15/gt/uc/intel_guc_ct.c index 0d5197c0824a..2575f380d17d 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c @@ -30,7 +30,7 @@ static void ct_dead_ct_worker_func(struct work_struct *w); do { \ if (!(ct)->dead_ct_reported) { \ (ct)->dead_ct_reason |=3D 1 << CT_DEAD_##reason; \ - queue_work(system_unbound_wq, &(ct)->dead_ct_worker); \ + queue_work(system_dfl_wq, &(ct)->dead_ct_worker); \ } \ } while (0) #else @@ -1240,7 +1240,7 @@ static int ct_handle_event(struct intel_guc_ct *ct, s= truct ct_incoming_msg *requ list_add_tail(&request->link, &ct->requests.incoming); spin_unlock_irqrestore(&ct->requests.lock, flags); =20 - queue_work(system_unbound_wq, &ct->requests.worker); + queue_work(system_dfl_wq, &ct->requests.worker); return 0; } =20 diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gp= u/drm/i915/gt/uc/intel_guc_submission.c index f8cb7c630d5b..54d17548d4aa 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -3385,7 +3385,7 @@ static void guc_context_sched_disable(struct intel_co= ntext *ce) } else if (!intel_context_is_closed(ce) && !guc_id_pressure(guc, ce) && delay) { spin_unlock_irqrestore(&ce->guc_state.lock, flags); - mod_delayed_work(system_unbound_wq, + mod_delayed_work(system_dfl_wq, &ce->guc_state.sched_disable_delay_work, msecs_to_jiffies(delay)); } else { @@ -3600,7 +3600,7 @@ static void guc_context_destroy(struct kref *kref) * take the GT PM for the first time which isn't allowed from an atomic * context. */ - queue_work(system_unbound_wq, &guc->submission_state.destroyed_worker); + queue_work(system_dfl_wq, &guc->submission_state.destroyed_worker); } =20 static int guc_context_alloc(struct intel_context *ce) @@ -5371,7 +5371,7 @@ int intel_guc_engine_failure_process_msg(struct intel= _guc *guc, * A GT reset flushes this worker queue (G2H handler) so we must use * another worker to trigger a GT reset. */ - queue_work(system_unbound_wq, &guc->submission_state.reset_fail_worker); + queue_work(system_dfl_wq, &guc->submission_state.reset_fail_worker); =20 return 0; } diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915= _active.c index 0dbc4e289300..4b7238db08c4 100644 --- a/drivers/gpu/drm/i915/i915_active.c +++ b/drivers/gpu/drm/i915/i915_active.c @@ -193,7 +193,7 @@ active_retire(struct i915_active *ref) return; =20 if (ref->flags & I915_ACTIVE_RETIRE_SLEEPS) { - queue_work(system_unbound_wq, &ref->work); + queue_work(system_dfl_wq, &ref->work); return; } =20 diff --git a/drivers/gpu/drm/i915/i915_sw_fence_work.c b/drivers/gpu/drm/i9= 15/i915_sw_fence_work.c index d2e56b387993..366418108f78 100644 --- a/drivers/gpu/drm/i915/i915_sw_fence_work.c +++ b/drivers/gpu/drm/i915/i915_sw_fence_work.c @@ -38,7 +38,7 @@ fence_notify(struct i915_sw_fence *fence, enum i915_sw_fe= nce_notify state) if (test_bit(DMA_FENCE_WORK_IMM, &f->dma.flags)) fence_work(&f->work); else - queue_work(system_unbound_wq, &f->work); + queue_work(system_dfl_wq, &f->work); } else { fence_complete(f); } diff --git a/drivers/gpu/drm/i915/i915_vma_resource.c b/drivers/gpu/drm/i91= 5/i915_vma_resource.c index 53d619ef0c3d..a8f2112ce81f 100644 --- a/drivers/gpu/drm/i915/i915_vma_resource.c +++ b/drivers/gpu/drm/i915/i915_vma_resource.c @@ -202,7 +202,7 @@ i915_vma_resource_fence_notify(struct i915_sw_fence *fe= nce, i915_vma_resource_unbind_work(&vma_res->work); } else { INIT_WORK(&vma_res->work, i915_vma_resource_unbind_work); - queue_work(system_unbound_wq, &vma_res->work); + queue_work(system_dfl_wq, &vma_res->work); } break; case FENCE_FREE: diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/px= p/intel_pxp.c index f8da693ad3ce..df854c961c6e 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c @@ -276,7 +276,7 @@ static void pxp_queue_termination(struct intel_pxp *pxp) spin_lock_irq(gt->irq_lock); intel_pxp_mark_termination_in_progress(pxp); pxp->session_events |=3D PXP_TERMINATION_REQUEST; - queue_work(system_unbound_wq, &pxp->session_work); + queue_work(system_dfl_wq, &pxp->session_work); spin_unlock_irq(gt->irq_lock); } =20 diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c b/drivers/gpu/drm/i91= 5/pxp/intel_pxp_irq.c index d81750b9bdda..735325e828bc 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c @@ -48,7 +48,7 @@ void intel_pxp_irq_handler(struct intel_pxp *pxp, u16 iir) pxp->session_events |=3D PXP_TERMINATION_COMPLETE | PXP_EVENT_TYPE_IRQ; =20 if (pxp->session_events) - queue_work(system_unbound_wq, &pxp->session_work); + queue_work(system_dfl_wq, &pxp->session_work); } =20 static inline void __pxp_set_interrupts(struct intel_gt *gt, u32 interrupt= s) diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouv= eau/dispnv50/disp.c index 504cb3f2054b..d179c81d8306 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -2466,7 +2466,7 @@ nv50_disp_atomic_commit(struct drm_device *dev, pm_runtime_get_noresume(dev->dev); =20 if (nonblock) - queue_work(system_unbound_wq, &state->commit_work); + queue_work(system_dfl_wq, &state->commit_work); else nv50_disp_atomic_commit_tail(state); =20 diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/= rockchip/rockchip_drm_vop.c index e3596e2b557d..a13098ec5df0 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1771,7 +1771,7 @@ static void vop_handle_vblank(struct vop *vop) spin_unlock(&drm->event_lock); =20 if (test_and_clear_bit(VOP_PENDING_FB_UNREF, &vop->pending)) - drm_flip_work_commit(&vop->fb_unref_work, system_unbound_wq); + drm_flip_work_commit(&vop->fb_unref_work, system_dfl_wq); } =20 static irqreturn_t vop_isr(int irq, void *data) diff --git a/drivers/gpu/drm/xe/xe_devcoredump.c b/drivers/gpu/drm/xe/xe_de= vcoredump.c index 81b9d9bb3f57..02ca9abd9e76 100644 --- a/drivers/gpu/drm/xe/xe_devcoredump.c +++ b/drivers/gpu/drm/xe/xe_devcoredump.c @@ -316,7 +316,7 @@ static void devcoredump_snapshot(struct xe_devcoredump = *coredump, =20 xe_engine_snapshot_capture_for_queue(q); =20 - queue_work(system_unbound_wq, &ss->work); + queue_work(system_dfl_wq, &ss->work); =20 xe_force_wake_put(gt_to_fw(q->gt), fw_ref); dma_fence_end_signalling(cookie); diff --git a/drivers/gpu/drm/xe/xe_execlist.c b/drivers/gpu/drm/xe/xe_execl= ist.c index 788f56b066b6..171a5796e0fb 100644 --- a/drivers/gpu/drm/xe/xe_execlist.c +++ b/drivers/gpu/drm/xe/xe_execlist.c @@ -416,7 +416,7 @@ static void execlist_exec_queue_kill(struct xe_exec_que= ue *q) static void execlist_exec_queue_fini(struct xe_exec_queue *q) { INIT_WORK(&q->execlist->fini_async, execlist_exec_queue_fini_async); - queue_work(system_unbound_wq, &q->execlist->fini_async); + queue_work(system_dfl_wq, &q->execlist->fini_async); } =20 static int execlist_exec_queue_set_priority(struct xe_exec_queue *q, diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c index 72ad576fc18e..4e239d8195cd 100644 --- a/drivers/gpu/drm/xe/xe_guc_ct.c +++ b/drivers/gpu/drm/xe/xe_guc_ct.c @@ -472,7 +472,7 @@ int xe_guc_ct_enable(struct xe_guc_ct *ct) spin_lock_irq(&ct->dead.lock); if (ct->dead.reason) { ct->dead.reason |=3D (1 << CT_DEAD_STATE_REARM); - queue_work(system_unbound_wq, &ct->dead.worker); + queue_work(system_dfl_wq, &ct->dead.worker); } spin_unlock_irq(&ct->dead.lock); #endif @@ -1811,7 +1811,7 @@ static void ct_dead_capture(struct xe_guc_ct *ct, str= uct guc_ctb *ctb, u32 reaso =20 spin_unlock_irqrestore(&ct->dead.lock, flags); =20 - queue_work(system_unbound_wq, &(ct)->dead.worker); + queue_work(system_dfl_wq, &(ct)->dead.worker); } =20 static void ct_dead_print(struct xe_dead_ct *dead) diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c index 7ffc98f67e69..1878e50eb687 100644 --- a/drivers/gpu/drm/xe/xe_oa.c +++ b/drivers/gpu/drm/xe/xe_oa.c @@ -956,7 +956,7 @@ static void xe_oa_config_cb(struct dma_fence *fence, st= ruct dma_fence_cb *cb) struct xe_oa_fence *ofence =3D container_of(cb, typeof(*ofence), cb); =20 INIT_DELAYED_WORK(&ofence->work, xe_oa_fence_work_fn); - queue_delayed_work(system_unbound_wq, &ofence->work, + queue_delayed_work(system_dfl_wq, &ofence->work, usecs_to_jiffies(NOA_PROGRAM_ADDITIONAL_DELAY_US)); dma_fence_put(fence); } diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 60303998bd61..3e25b71749d4 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -1289,7 +1289,7 @@ static void vma_destroy_cb(struct dma_fence *fence, struct xe_vma *vma =3D container_of(cb, struct xe_vma, destroy_cb); =20 INIT_WORK(&vma->destroy_work, vma_destroy_work_func); - queue_work(system_unbound_wq, &vma->destroy_work); + queue_work(system_dfl_wq, &vma->destroy_work); } =20 static void xe_vma_destroy(struct xe_vma *vma, struct dma_fence *fence) @@ -1973,7 +1973,7 @@ static void xe_vm_free(struct drm_gpuvm *gpuvm) struct xe_vm *vm =3D container_of(gpuvm, struct xe_vm, gpuvm); =20 /* To destroy the VM we need to be able to sleep */ - queue_work(system_unbound_wq, &vm->destroy_work); + queue_work(system_dfl_wq, &vm->destroy_work); } =20 struct xe_vm *xe_vm_lookup(struct xe_file *xef, u32 id) diff --git a/drivers/hte/hte.c b/drivers/hte/hte.c index 23a6eeb8c506..e2804636f2bd 100644 --- a/drivers/hte/hte.c +++ b/drivers/hte/hte.c @@ -826,7 +826,7 @@ int hte_push_ts_ns(const struct hte_chip *chip, u32 xla= ted_id, =20 ret =3D ei->cb(data, ei->cl_data); if (ret =3D=3D HTE_RUN_SECOND_CB && ei->tcb) { - queue_work(system_unbound_wq, &ei->cb_work); + queue_work(system_dfl_wq, &ei->cb_work); set_bit(HTE_TS_QUEUE_WK, &ei->flags); } =20 diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index 6e700b974033..ccfcf8e4b712 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -361,7 +361,7 @@ static int ucma_event_handler(struct rdma_cm_id *cm_id, if (event->event =3D=3D RDMA_CM_EVENT_DEVICE_REMOVAL) { xa_lock(&ctx_table); if (xa_load(&ctx_table, ctx->id) =3D=3D ctx) - queue_work(system_unbound_wq, &ctx->close_work); + queue_work(system_dfl_wq, &ctx->close_work); xa_unlock(&ctx_table); } return 0; diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/= odp.c index 86d8fa63bf69..24efd9a2d82b 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -253,7 +253,7 @@ static void destroy_unused_implicit_child_mr(struct mlx= 5_ib_mr *mr) =20 /* Freeing a MR is a sleeping operation, so bounce to a work queue */ INIT_WORK(&mr->odp_destroy.work, free_implicit_child_mr_work); - queue_work(system_unbound_wq, &mr->odp_destroy.work); + queue_work(system_dfl_wq, &mr->odp_destroy.work); } =20 static bool mlx5_ib_invalidate_range(struct mmu_interval_notifier *mni, @@ -2062,6 +2062,6 @@ int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, destroy_prefetch_work(work); return rc; } - queue_work(system_unbound_wq, &work->work); + queue_work(system_dfl_wq, &work->work); return 0; } diff --git a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c b/drivers= /media/platform/synopsys/hdmirx/snps_hdmirx.c index 3d2913de9a86..8c5142fc80ef 100644 --- a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c +++ b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c @@ -1735,7 +1735,7 @@ static void process_signal_change(struct snps_hdmirx_= dev *hdmirx_dev) FIFO_UNDERFLOW_INT_EN | HDMIRX_AXI_ERROR_INT_EN, 0); hdmirx_reset_dma(hdmirx_dev); - queue_delayed_work(system_unbound_wq, + queue_delayed_work(system_dfl_wq, &hdmirx_dev->delayed_work_res_change, msecs_to_jiffies(50)); } @@ -2190,7 +2190,7 @@ static void hdmirx_delayed_work_res_change(struct wor= k_struct *work) =20 if (hdmirx_wait_signal_lock(hdmirx_dev)) { hdmirx_plugout(hdmirx_dev); - queue_delayed_work(system_unbound_wq, + queue_delayed_work(system_dfl_wq, &hdmirx_dev->delayed_work_hotplug, msecs_to_jiffies(200)); } else { @@ -2209,7 +2209,7 @@ static irqreturn_t hdmirx_5v_det_irq_handler(int irq,= void *dev_id) val =3D gpiod_get_value(hdmirx_dev->detect_5v_gpio); v4l2_dbg(3, debug, &hdmirx_dev->v4l2_dev, "%s: 5v:%d\n", __func__, val); =20 - queue_delayed_work(system_unbound_wq, + queue_delayed_work(system_dfl_wq, &hdmirx_dev->delayed_work_hotplug, msecs_to_jiffies(10)); =20 @@ -2441,7 +2441,7 @@ static void hdmirx_enable_irq(struct device *dev) enable_irq(hdmirx_dev->dma_irq); enable_irq(hdmirx_dev->det_irq); =20 - queue_delayed_work(system_unbound_wq, + queue_delayed_work(system_dfl_wq, &hdmirx_dev->delayed_work_hotplug, msecs_to_jiffies(110)); } diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index b44d134e7105..87eeb8607b60 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -5292,7 +5292,7 @@ void qla24xx_sched_upd_fcport(fc_port_t *fcport) qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT); spin_unlock_irqrestore(&fcport->vha->work_lock, flags); =20 - queue_work(system_unbound_wq, &fcport->reg_work); + queue_work(system_dfl_wq, &fcport->reg_work); } =20 static diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transp= ort_iscsi.c index 9c347c64c315..e2754c1cb0a5 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -3957,7 +3957,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghd= r *nlh, uint32_t *group) list_del_init(&session->sess_list); spin_unlock_irqrestore(&sesslock, flags); =20 - queue_work(system_unbound_wq, &session->destroy_work); + queue_work(system_dfl_wq, &session->destroy_work); } break; case ISCSI_UEVENT_UNBIND_SESSION: diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_= power.c index ae59bf16659a..6145c4fe192e 100644 --- a/drivers/soc/xilinx/zynqmp_power.c +++ b/drivers/soc/xilinx/zynqmp_power.c @@ -82,7 +82,7 @@ static void subsystem_restart_event_callback(const u32 *p= ayload, void *data) memcpy(zynqmp_pm_init_restart_work->args, &payload[0], sizeof(zynqmp_pm_init_restart_work->args)); =20 - queue_work(system_unbound_wq, &zynqmp_pm_init_restart_work->callback_work= ); + queue_work(system_dfl_wq, &zynqmp_pm_init_restart_work->callback_work); } =20 static void suspend_event_callback(const u32 *payload, void *data) @@ -95,7 +95,7 @@ static void suspend_event_callback(const u32 *payload, vo= id *data) memcpy(zynqmp_pm_init_suspend_work->args, &payload[1], sizeof(zynqmp_pm_init_suspend_work->args)); =20 - queue_work(system_unbound_wq, &zynqmp_pm_init_suspend_work->callback_work= ); + queue_work(system_dfl_wq, &zynqmp_pm_init_suspend_work->callback_work); } =20 static irqreturn_t zynqmp_pm_isr(int irq, void *data) @@ -140,7 +140,7 @@ static void ipi_receive_callback(struct mbox_client *cl= , void *data) memcpy(zynqmp_pm_init_suspend_work->args, &payload[1], sizeof(zynqmp_pm_init_suspend_work->args)); =20 - queue_work(system_unbound_wq, + queue_work(system_dfl_wq, &zynqmp_pm_init_suspend_work->callback_work); =20 /* Send NULL message to mbox controller to ack the message */ diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_targe= t.c index 3b89b5a70331..b8457477cee9 100644 --- a/drivers/target/sbp/sbp_target.c +++ b/drivers/target/sbp/sbp_target.c @@ -730,7 +730,7 @@ static int tgt_agent_rw_orb_pointer(struct fw_card *car= d, int tcode, void *data, pr_debug("tgt_agent ORB_POINTER write: 0x%llx\n", agent->orb_pointer); =20 - queue_work(system_unbound_wq, &agent->work); + queue_work(system_dfl_wq, &agent->work); =20 return RCODE_COMPLETE; =20 @@ -764,7 +764,7 @@ static int tgt_agent_rw_doorbell(struct fw_card *card, = int tcode, void *data, =20 pr_debug("tgt_agent DOORBELL\n"); =20 - queue_work(system_unbound_wq, &agent->work); + queue_work(system_dfl_wq, &agent->work); =20 return RCODE_COMPLETE; =20 @@ -990,7 +990,7 @@ static void tgt_agent_fetch_work(struct work_struct *wo= rk) =20 if (tgt_agent_check_active(agent) && !doorbell) { INIT_WORK(&req->work, tgt_agent_process_work); - queue_work(system_unbound_wq, &req->work); + queue_work(system_dfl_wq, &req->work); } else { /* don't process this request, just check next_ORB */ sbp_free_request(req); @@ -1618,7 +1618,7 @@ static void sbp_mgt_agent_rw(struct fw_card *card, agent->orb_offset =3D sbp2_pointer_to_addr(ptr); agent->request =3D req; =20 - queue_work(system_unbound_wq, &agent->work); + queue_work(system_dfl_wq, &agent->work); rcode =3D RCODE_COMPLETE; } else if (tcode =3D=3D TCODE_READ_BLOCK_REQUEST) { addr_to_sbp2_pointer(agent->orb_offset, ptr); diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/82= 50_dw.c index 1902f29444a1..50a5ee546373 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -361,7 +361,7 @@ static int dw8250_clk_notifier_cb(struct notifier_block= *nb, * deferred event handling complication. */ if (event =3D=3D POST_RATE_CHANGE) { - queue_work(system_unbound_wq, &d->clk_work); + queue_work(system_dfl_wq, &d->clk_work); return NOTIFY_OK; } =20 @@ -678,7 +678,7 @@ static int dw8250_probe(struct platform_device *pdev) err =3D clk_notifier_register(data->clk, &data->clk_notifier); if (err) return dev_err_probe(dev, err, "Failed to set the clock notifier\n"); - queue_work(system_unbound_wq, &data->clk_work); + queue_work(system_dfl_wq, &data->clk_work); } =20 platform_set_drvdata(pdev, data); diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 79f0ff94ce00..60066ece9d96 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -76,7 +76,7 @@ void tty_buffer_unlock_exclusive(struct tty_port *port) mutex_unlock(&buf->lock); =20 if (restart) - queue_work(system_unbound_wq, &buf->work); + queue_work(system_dfl_wq, &buf->work); } EXPORT_SYMBOL_GPL(tty_buffer_unlock_exclusive); =20 @@ -531,7 +531,7 @@ void tty_flip_buffer_push(struct tty_port *port) struct tty_bufhead *buf =3D &port->buf; =20 tty_flip_buffer_commit(buf->tail); - queue_work(system_unbound_wq, &buf->work); + queue_work(system_dfl_wq, &buf->work); } EXPORT_SYMBOL(tty_flip_buffer_push); =20 @@ -561,7 +561,7 @@ int tty_insert_flip_string_and_push_buffer(struct tty_p= ort *port, tty_flip_buffer_commit(buf->tail); spin_unlock_irqrestore(&port->lock, flags); =20 - queue_work(system_unbound_wq, &buf->work); + queue_work(system_dfl_wq, &buf->work); =20 return size; } @@ -614,7 +614,7 @@ void tty_buffer_set_lock_subclass(struct tty_port *port) =20 bool tty_buffer_restart_work(struct tty_port *port) { - return queue_work(system_unbound_wq, &port->buf.work); + return queue_work(system_dfl_wq, &port->buf.work); } =20 bool tty_buffer_cancel_work(struct tty_port *port) --=20 2.51.0