From: wangxiaoming321 <xiaoming.wang@intel.com>
To: tglx@linutronix.de, peterz@infradead.org, linux-kernel@vger.kernel.org
Cc: wangxiaoming321 <xiaoming.wang@intel.com>
Subject: [PATCH] kernel/cpu: The number of CPUHP_AP_ONLINE_DYN (30) is too small that stops the new dynamic states hotplug.
Date: Tue, 12 Dec 2023 10:52:35 +0800 [thread overview]
Message-ID: <20231212025235.775986-1-xiaoming.wang@intel.com> (raw)
144: perf/x86/cstate:online
159: workqueue:online
160: RCU/tree:online
161: mm/writeback:online
162: mm/vmstat:online
163: padata:online
164: x86/intel/epb:online
165: mm/compaction:online
166: block/mq:online
167: umwait:online
168: x86/msr:online
169: x86/cpuid:online
170: lib/percpu_cnt:online
171: idle/intel:online
172: acpi/cpu-drv:online
173: base/cacheinfo:online
174: x86/therm:online
175: cpufreq:online
176: x86/mce:online
177: x86/microcode:online
178: x86/resctrl/cat:online:
179: printk:online
180: trace/hwlat:online
181: trace/osnoise:online
182: perf/x86/intel/i915:online
184: driver/dma/idxd/perf:online
185: platform/x86/isst-if:online
186: hwmon/coretemp:online
187: thermal/intel_powerclamp:online
188: thermal/x86_pkg:online
189: platform/x86/uncore-freq:online
190: powercap/rapl:online
191: ia64/sep5:online
193: x86/kvm/clk:online
195: online
It needs to enlarge the number of dynamic states.
Signed-off-by: wangxiaoming321 <xiaoming.wang@intel.com>
---
include/linux/cpuhotplug.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index efc0c0b07efb..c88a58c363f1 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -251,7 +251,7 @@ enum cpuhp_state {
CPUHP_AP_RCUTREE_ONLINE,
CPUHP_AP_BASE_CACHEINFO_ONLINE,
CPUHP_AP_ONLINE_DYN,
- CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
+ CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 40,
/* Must be after CPUHP_AP_ONLINE_DYN for node_states[N_CPU] update */
CPUHP_AP_MM_DEMOTION_ONLINE,
CPUHP_AP_X86_HPET_ONLINE,
--
2.25.1
next reply other threads:[~2023-12-12 2:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-12 2:52 wangxiaoming321 [this message]
2023-12-15 19:39 ` Thomas Gleixner
2023-12-19 3:30 ` Wang, Xiaoming
2023-12-19 3:34 ` [PATCH] cpu/hotplug: Increase the number of dynamic states wangxiaoming321
2023-12-20 15:35 ` [tip: smp/core] " tip-bot2 for xiaoming Wang
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