tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core head: 99d34fbe89e6ee4d21dab126e985aa40a5055b39 commit: 99d34fbe89e6ee4d21dab126e985aa40a5055b39 [3/3] sched: rt: Make RT capacity aware reproduce: make htmldocs If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): include/linux/netdevice.h:2053: warning: Function parameter or member 'xps_rxqs_map' not described in 'net_device' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising' not described in 'phylink_link_state' include/linux/phylink.h:56: warning: Function parameter or member '__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising' not described in 'phylink_link_state' drivers/net/phy/phylink.c:595: warning: Function parameter or member 'config' not described in 'phylink_create' drivers/net/phy/phylink.c:595: warning: Excess function parameter 'ndev' description in 'phylink_create' lib/genalloc.c:1: warning: 'gen_pool_add_virt' not found lib/genalloc.c:1: warning: 'gen_pool_alloc' not found lib/genalloc.c:1: warning: 'gen_pool_free' not found lib/genalloc.c:1: warning: 'gen_pool_alloc_algo' not found include/linux/bitmap.h:341: warning: Function parameter or member 'nbits' not described in 'bitmap_or_equal' include/linux/rculist.h:374: warning: Excess function parameter 'cond' description in 'list_for_each_entry_rcu' include/linux/rculist.h:651: warning: Excess function parameter 'cond' description in 'hlist_for_each_entry_rcu' mm/util.c:1: warning: 'get_user_pages_fast' not found mm/slab.c:4215: warning: Function parameter or member 'objp' not described in '__ksize' drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c:335: warning: Excess function parameter 'dev' description in 'amdgpu_gem_prime_export' drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c:336: warning: Excess function parameter 'dev' description in 'amdgpu_gem_prime_export' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:142: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_read_lock' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:347: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor ' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:348: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor ' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:494: warning: Function parameter or member 'start' not described in 'amdgpu_vm_pt_first_dfs' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'start' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or member 'entry' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:823: warning: Function parameter or member 'level' not described in 'amdgpu_vm_bo_param' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'level' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2823: warning: Function parameter or member 'pasid' not described in 'amdgpu_vm_make_compute' drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:378: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch' drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:379: warning: Function parameter or member 'ih' not described in 'amdgpu_irq_dispatch' drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:379: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch' drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:1: warning: no structured comments found drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1: warning: no structured comments found drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:1: warning: 'pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie' not found drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:132: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source @atomic_obj drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:238: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source gpu_info FW provided soc bounding box struct or 0 if not drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:243: warning: Function parameter or member 'atomic_obj' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:243: warning: Function parameter or member 'backlight_link' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:243: warning: Function parameter or member 'backlight_caps' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:243: warning: Function parameter or member 'freesync_module' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:243: warning: Function parameter or member 'fw_dmcu' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:243: warning: Function parameter or member 'dmcu_fw_version' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:243: warning: Function parameter or member 'soc_bounding_box' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: 'register_hpd_handlers' not found drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: 'dm_crtc_high_irq' not found drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: 'dm_pflip_high_irq' not found include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or member 'prepare_writeback_job' not described in 'drm_connector_helper_funcs' include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or member 'cleanup_writeback_job' not described in 'drm_connector_helper_funcs' include/drm/drm_atomic_state_helper.h:1: warning: no structured comments found include/drm/drm_gem_shmem_helper.h:87: warning: Function parameter or member 'madv' not described in 'drm_gem_shmem_object' include/drm/drm_gem_shmem_helper.h:87: warning: Function parameter or member 'madv_list' not described in 'drm_gem_shmem_object' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:158: warning: Enum value 'DPLL_ID_TGL_MGPLL5' not described in enum 'intel_dpll_id' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:158: warning: Enum value 'DPLL_ID_TGL_MGPLL6' not described in enum 'intel_dpll_id' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:158: warning: Excess enum value 'DPLL_ID_TGL_TCPLL5' description in 'intel_dpll_id' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:158: warning: Excess enum value 'DPLL_ID_TGL_TCPLL6' description in 'intel_dpll_id' drivers/gpu/drm/i915/display/intel_dpll_mgr.h:342: warning: Function parameter or member 'wakeref' not described in 'intel_shared_dpll' Error: Cannot open file drivers/gpu/drm/i915/i915_gem_batch_pool.c Error: Cannot open file drivers/gpu/drm/i915/i915_gem_batch_pool.c Error: Cannot open file drivers/gpu/drm/i915/i915_gem_batch_pool.c drivers/gpu/drm/i915/i915_drv.h:1129: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source The OA context specific information. drivers/gpu/drm/i915/i915_drv.h:1143: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source State of the OA buffer. drivers/gpu/drm/i915/i915_drv.h:1154: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source Locks reads and writes to all head/tail state drivers/gpu/drm/i915/i915_drv.h:1176: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source One 'aging' tail pointer and one 'aged' tail pointer ready to drivers/gpu/drm/i915/i915_drv.h:1188: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source Index for the aged tail ready to read() data up to. drivers/gpu/drm/i915/i915_drv.h:1193: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source A monotonic timestamp for when the current aging tail pointer drivers/gpu/drm/i915/i915_drv.h:1199: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source Although we can always read back the head pointer register, drivers/gpu/drm/i915/i915_drv.h:1207: warning: Function parameter or member 'pinned_ctx' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1207: warning: Function parameter or member 'specific_ctx_id' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1207: warning: Function parameter or member 'specific_ctx_id_mask' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1207: warning: Function parameter or member 'poll_check_timer' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1207: warning: Function parameter or member 'poll_wq' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1207: warning: Function parameter or member 'pollin' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1207: warning: Function parameter or member 'periodic' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1207: warning: Function parameter or member 'period_exponent' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1207: warning: Function parameter or member 'oa_buffer' not described in 'i915_perf_stream' drivers/gpu/drm/i915/i915_drv.h:1129: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source The OA context specific information. drivers/gpu/drm/i915/i915_drv.h:1143: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source State of the OA buffer. drivers/gpu/drm/i915/i915_drv.h:1154: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source Locks reads and writes to all head/tail state drivers/gpu/drm/i915/i915_drv.h:1176: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source One 'aging' tail pointer and one 'aged' tail pointer ready to drivers/gpu/drm/i915/i915_drv.h:1188: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source Index for the aged tail ready to read() data up to. drivers/gpu/drm/i915/i915_drv.h:1193: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source A monotonic timestamp for when the current aging tail pointer drivers/gpu/drm/i915/i915_drv.h:1199: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source Although we can always read back the head pointer register, drivers/gpu/drm/i915/i915_drv.h:1129: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source The OA context specific information. drivers/gpu/drm/i915/i915_drv.h:1143: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source State of the OA buffer. drivers/gpu/drm/i915/i915_drv.h:1154: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source Locks reads and writes to all head/tail state drivers/gpu/drm/i915/i915_drv.h:1176: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source One 'aging' tail pointer and one 'aged' tail pointer ready to drivers/gpu/drm/i915/i915_drv.h:1188: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source Index for the aged tail ready to read() data up to. drivers/gpu/drm/i915/i915_drv.h:1193: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source A monotonic timestamp for when the current aging tail pointer drivers/gpu/drm/i915/i915_drv.h:1199: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source Although we can always read back the head pointer register, drivers/gpu/drm/mcde/mcde_drv.c:1: warning: 'ST-Ericsson MCDE DRM Driver' not found include/net/cfg80211.h:1185: warning: Function parameter or member 'txpwr' not described in 'station_parameters' include/net/mac80211.h:4056: warning: Function parameter or member 'sta_set_txpwr' not described in 'ieee80211_ops' include/net/mac80211.h:2018: warning: Function parameter or member 'txpwr' not described in 'ieee80211_sta' Documentation/hwmon/inspur-ipsps1.rst:2: WARNING: Title underline too short. vim +63 kernel/sched/cpupri.c 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 43 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 44 /** 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 45 * cpupri_find - find the best (lowest-pri) CPU in the system 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 46 * @cp: The cpupri context 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 47 * @p: The task 13b8bd0a5713bd kernel/sched_cpupri.c Rusty Russell 2009-03-25 48 * @lowest_mask: A mask to fill in with selected CPUs (or NULL) 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 49 * 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 50 * Note: This function returns the recommended CPUs as calculated during the 2a61aa40163852 kernel/sched_cpupri.c Adam Buchbinder 2009-12-11 51 * current invocation. By the time the call returns, the CPUs may have in 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 52 * fact changed priorities any number of times. While not ideal, it is not 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 53 * an issue of correctness since the normal rebalancer logic will correct 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 54 * any discrepancies created by racing against the uncertainty of the current 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 55 * priority configuration. 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 56 * e69f61862ab833 kernel/sched/cpupri.c Yacine Belkadi 2013-07-12 57 * Return: (int)bool - CPUs were found 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 58 */ 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 59 int cpupri_find(struct cpupri *cp, struct task_struct *p, 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 60 struct cpumask *lowest_mask, 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 61 bool (*fitness_fn)(struct task_struct *p, int cpu)) 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 62 { 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 @63 int idx = 0; 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 64 int task_pri = convert_prio(p->prio); 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 65 6227cb00cc120f kernel/sched/cpupri.c Steven Rostedt (Red Hat 2014-04-13 66) BUG_ON(task_pri >= CPUPRI_NR_PRIORITIES); c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 67 c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 68 for (idx = 0; idx < task_pri; idx++) { 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 69 struct cpupri_vec *vec = &cp->pri_to_cpu[idx]; d473750b4073f1 kernel/sched_cpupri.c Steven Rostedt 2011-08-05 70 int skip = 0; 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 71 c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 72 if (!atomic_read(&(vec)->count)) d473750b4073f1 kernel/sched_cpupri.c Steven Rostedt 2011-08-05 73 skip = 1; c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 74 /* c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 75 * When looking at the vector, we need to read the counter, c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 76 * do a memory barrier, then read the mask. c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 77 * c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 78 * Note: This is still all racey, but we can deal with it. c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 79 * Ideally, we only want to look at masks that are set. c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 80 * c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 81 * If a mask is not set, then the only thing wrong is that we c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 82 * did a little more work than necessary. c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 83 * c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 84 * If we read a zero count but the mask is set, because of the c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 85 * memory barriers, that can only happen when the highest prio c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 86 * task for a run queue has left the run queue, in which case, c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 87 * it will be followed by a pull. If the task we are processing c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 88 * fails to find a proper place to go, that pull request will c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 89 * pull this task if the run queue is running at a lower c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 90 * priority. c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 91 */ c92211d9b77279 kernel/sched_cpupri.c Steven Rostedt 2011-08-02 92 smp_rmb(); 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 93 d473750b4073f1 kernel/sched_cpupri.c Steven Rostedt 2011-08-05 94 /* Need to do the rmb for every iteration */ d473750b4073f1 kernel/sched_cpupri.c Steven Rostedt 2011-08-05 95 if (skip) d473750b4073f1 kernel/sched_cpupri.c Steven Rostedt 2011-08-05 96 continue; d473750b4073f1 kernel/sched_cpupri.c Steven Rostedt 2011-08-05 97 3bd3706251ee8a kernel/sched/cpupri.c Sebastian Andrzej Siewior 2019-04-23 98 if (cpumask_any_and(p->cpus_ptr, vec->mask) >= nr_cpu_ids) 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 99 continue; 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 100 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 101 if (lowest_mask) { 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 102 int cpu; 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 103 3bd3706251ee8a kernel/sched/cpupri.c Sebastian Andrzej Siewior 2019-04-23 104 cpumask_and(lowest_mask, p->cpus_ptr, vec->mask); 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 105 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 106 /* 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 107 * We have to ensure that we have at least one bit 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 108 * still set in the array, since the map could have 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 109 * been concurrently emptied between the first and 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 110 * second reads of vec->mask. If we hit this 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 111 * condition, simply act as though we never hit this 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 112 * priority level and continue on. 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 113 */ 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 114 if (cpumask_empty(lowest_mask)) 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 115 continue; 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 116 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 117 if (!fitness_fn) 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 118 return 1; 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 119 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 120 /* Ensure the capacity of the CPUs fit the task */ 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 121 for_each_cpu(cpu, lowest_mask) { 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 122 if (!fitness_fn(p, cpu)) 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 123 cpumask_clear_cpu(cpu, lowest_mask); 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 124 } 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 125 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 126 /* 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 127 * If no CPU at the current priority can fit the task 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 128 * continue looking 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 129 */ 99d34fbe89e6ee kernel/sched/cpupri.c Qais Yousef 2019-10-09 130 if (cpumask_empty(lowest_mask)) 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 131 continue; 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 132 } 07903af152b059 kernel/sched_cpupri.c Gregory Haskins 2009-07-30 133 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 134 return 1; 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 135 } 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 136 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 137 return 0; 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 138 } 6e0534f278199f kernel/sched_cpupri.c Gregory Haskins 2008-05-12 139 :::::: The code at line 63 was first introduced by commit :::::: 6e0534f278199f1e3dd1049b9bc19a7a5b87ada1 sched: use a 2-d bitmap for searching lowest-pri CPU :::::: TO: Gregory Haskins <ghaskins(a)novell.com&gt; :::::: CC: Ingo Molnar <mingo(a)elte.hu&gt; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation