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Wysocki" , Daniel Lezcano , Christian Loehle Cc: Mete Durlu , Christian Borntraeger , Ilya Leoshkevich , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org X-Mailer: b4 0.14.3 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: cu_PEPS5gl0jdGqf1b0SZZkqDKNQFJ-D X-Authority-Analysis: v=2.4 cv=Le0MLDfi c=1 sm=1 tr=0 ts=6a33ddf6 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=IOilmRhWZAFgXRNZ7poA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE4MDExMCBTYWx0ZWRfX/fnaFkZeP2Mz 8IDfxDprwq1CQhclpNmgbzAoIbijZhQSF1MO/sEheEnM4EB2tWvxLRxR6YeL00REDQQH8S+op6d ewavzjkM5hhcKHDVHshYP2njnra1Ng8= X-Proofpoint-ORIG-GUID: cu_PEPS5gl0jdGqf1b0SZZkqDKNQFJ-D X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE4MDExMCBTYWx0ZWRfX8+Com29q9ITg s37r4abVWZYXUfbcFZQRGEAypSySf1lZg9PX2QYxeHO6bITBSAszpspL8Wn+CBYXwmDWAdcJULW zQt5msa1v+QWxEX4OsMIa1A10C7gj6ekfY1Ev2jM0kvoQAe185rq5Mje0sJDOFNg/K8LilrXBdS a7Ha8WP4siU8y5tpOjkpdIWfvLUqEipsbmwGQeygkpvkdqkiW0WU5Am91lafvk7zqNBY1sZRJZH mgl5Lqj45ohBvWA6IA4EfFA96cD1WdKjIMUiNO0Jqm8DQkmlZ4DDGalWQVI3cfhKOmcurVD3Kno xKXXdMlMRFUgHtlZZTdXMugp92yDZ2z2tPrCqbWJsi9orIA6KFFFLCwJ4omuGBm4Eh+F2ZVA0u6 VtesUJjsbFpRTmkpCPuWZnVNG4ZaE01ubmYj/pjClLlnaWnsL1QIuRbyZZEtaf4WQVOpsf8U1Un OgzM8MnUPKGvmDTQyqw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-18_01,2026-06-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 malwarescore=0 spamscore=0 suspectscore=0 impostorscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606180110 Enable cpuidle infrastructure, idle governor and s390 cpuidle driver by default. They can be disabled via config options before compile or via setting cpuidle.off kernel commandline option. When cpuidle.off=1 set, given architecture's specific implementation is used as a fallback without any governor or idle state support. During runtime individual states of cpuidle driver can also be disabled via sysfs attributes. Ex: echo 1 > /sys/devices/system/cpu/cpuidle/state/disable Signed-off-by: Mete Durlu Reviewed-by: Heiko Carstens --- arch/s390/configs/debug_defconfig | 2 ++ arch/s390/configs/defconfig | 2 ++ 2 files changed, 4 insertions(+) diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index 730c90b4a876..39f2c56bd29d 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -29,6 +29,8 @@ CONFIG_CGROUP_PIDS=y CONFIG_CGROUP_RDMA=y CONFIG_CGROUP_FREEZER=y CONFIG_CGROUP_HUGETLB=y +CONFIG_CPU_IDLE=y +CONFIG_CPU_IDLE_GOV_TEO=y CONFIG_CPUSETS=y CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index dd5fc1426c88..723ce48ce8d1 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -27,6 +27,8 @@ CONFIG_CGROUP_PIDS=y CONFIG_CGROUP_RDMA=y CONFIG_CGROUP_FREEZER=y CONFIG_CGROUP_HUGETLB=y +CONFIG_CPU_IDLE=y +CONFIG_CPU_IDLE_GOV_TEO=y CONFIG_CPUSETS=y CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y -- 2.54.0