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Wysocki" , Daniel Lezcano , Christian Loehle , Anna-Maria Behnsen , Frederic Weisbecker , Ingo Molnar , Thomas Gleixner Cc: Mete Durlu , Ilya Leoshkevich , Christian Borntraeger , linux-s390 , linux-kernel Subject: [PATCH 5/5] s390/configs: Enable cpuidle driver on s390 Date: Tue, 9 Jun 2026 09:52:13 +0200 Message-ID: <20260609075213.31094-6-meted@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260609075213.31094-1-meted@linux.ibm.com> References: <20260609075213.31094-1-meted@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: sNOmNuBT-XZxd_CHDoGPnQW3sNncT2sH X-Proofpoint-GUID: sNOmNuBT-XZxd_CHDoGPnQW3sNncT2sH X-Authority-Analysis: v=2.4 cv=ZbEt8MVA c=1 sm=1 tr=0 ts=6a27c644 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=IOilmRhWZAFgXRNZ7poA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA5MDA3MSBTYWx0ZWRfX9/Pyp3cZ4MPG nZ5XZOpWFEV4PjETELeJN48xo/V97oqzlJMhkRYDXNBdyij/2aRNxfecu0SDIhG4dvQgQt8OSNC eWmboRBQv5OtSklacqCM7g4+AdAa1sP1X3rBoxuzBA+UQ5hIl1mUbe/4RsdMcKwZGUzK3azL7Bi pdP6qP40wzsnnAxB8eb7i8O2K+utpIv6JTH8vjOmLJ6w6mSrvMpOUttoGr+Amn06Foxmqm7lBw0 OSxTfsQJwmX0Q4Wn8Qpt75KBL15mmgkfRrFmR0JajU6d1Lx/QR3Eb+w6y2sEgqBn3INUoDTqQPD PE2JbP3HbwJEgwEidPCRtj9BbCKgcpoZfk2eA/AOfiXIUhwcJcqjdQCoYJH7WC8RGOrbxQeHV1+ IZYYAlkJjsT43TB1dm06I1fKip4Z3EXdoP8aoUO71SLEmmECFJHA2lcxLvsO88yPrtztCvZ/XbC AHzaPnj0FKACWm8JyGA== 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=2026-06-09_01,2026-06-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 spamscore=0 priorityscore=1501 bulkscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606090071 Enable cpuidle infrastructure, teo 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 --- 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