From nobody Mon Feb 9 04:59:07 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E8979214226 for ; Mon, 5 May 2025 11:10:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746443434; cv=none; b=I6KPJlJHvyQHdAA+1uV2xzIhJHwo5UjB7OMX5/aQ6szexjogo2bauRKkwfYCfJrYYj3QiqeIZ/X3Y2v9eXYXCjm1U9ZGrHJJsNdh7D3bkyUexTNtEXHfuvQtMq1qiLg6xUFCoTWDh5E3SA1fVHRqiLNL5J2zV+h+ibHFf0ezQhU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746443434; c=relaxed/simple; bh=d9aWtdPFc7Gw+SlMMmk8a7/GMzqd2tG1kqnHVDm7MAo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GjeKuh4CcxHVDz/Qrb4y4WYbyYENv55Ziv1+Zd0vwSNu/geAFE0I2Sx0o1F0jzry5DE4FuBo48Y15ZGKWef38iL7n1H6CSxr5vP/whMsO0X0vpgxODWGHtyT4R8/7U5DxlFb8Dinv00CUqQ2QMCGz922hkTgQxTNdxxbZUPloo4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Sdd04ZRO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Sdd04ZRO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE3A9C4CEE9; Mon, 5 May 2025 11:10:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746443433; bh=d9aWtdPFc7Gw+SlMMmk8a7/GMzqd2tG1kqnHVDm7MAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Sdd04ZROepfkn8VJjMhlu6okePRz2otAOBCcC5POMqm1Q71omnJb/rblPbHH5ALtx ce5RsnFASCE4l9J4S/e+c4VCiqOuHSR0pFuBIqBQRDO3HGio2yLl/QAr2iXXaixx5t Zl2VnpkxLFOhos8nGaDh0jWdHx8ivLaTXq1dmvXimIfoeNZi9fjsKh8qrBwanMae6c VxnkN580HyvdBuIhW3QHMleqlqZL5dovhnV5ydr/e0eJmadip/q6q0XEQHKXo+kNTi jbrXRQ2I8SirO9J4PYB4vM2UT9p2n1kQneHWn1105cw5d2UH1TOnAA0U0hRfnsVFJ1 zIiLEwh2jBkUQ== From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: "H . Peter Anvin" , Linus Torvalds , Peter Zijlstra , Borislav Petkov , Thomas Gleixner , Ingo Molnar , Ard Biesheuvel , Arnd Bergmann , David Woodhouse , Masahiro Yamada , Michal Marek Subject: [PATCH 13/15] x86/kconfig/64: Enable popular scheduler, cgroups and namespaces options in the defconfig Date: Mon, 5 May 2025 13:09:44 +0200 Message-ID: <20250505110946.1095363-14-mingo@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250505110946.1095363-1-mingo@kernel.org> References: <20250505110946.1095363-1-mingo@kernel.org> 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" Since the x86 defconfig aims to be a distro kernel work-alike with fewer drivers and a shorter build time, enable a handful of popular scheduler and cgroups options that are typically enabled on major Linux distributions. The options enabled is a superset of the latest Ubuntu and Fedora kernel debugging configs, using Ubuntu's config-6.11.0-24-generic file, Fedora's kernel-x86_64-fedora.config and RHEL's kernel-x86_64-rhel.config from kernel-ark.git. Signed-off-by: Ingo Molnar Cc: Ard Biesheuvel Cc: Arnd Bergmann Cc: David Woodhouse Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Masahiro Yamada Cc: Michal Marek --- arch/x86/configs/defconfig.x86_64 | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/arch/x86/configs/defconfig.x86_64 b/arch/x86/configs/defconfig= .x86_64 index 3d585c33016b..09e9a8823dc1 100644 --- a/arch/x86/configs/defconfig.x86_64 +++ b/arch/x86/configs/defconfig.x86_64 @@ -2,6 +2,7 @@ CONFIG_WERROR=3Dy CONFIG_SYSVIPC=3Dy CONFIG_POSIX_MQUEUE=3Dy CONFIG_AUDIT=3Dy +# CONFIG_CONTEXT_TRACKING_USER_FORCE is not set CONFIG_NO_HZ=3Dy CONFIG_HIGH_RES_TIMERS=3Dy CONFIG_BPF_SYSCALL=3Dy @@ -11,26 +12,45 @@ CONFIG_BPF_PRELOAD=3Dy CONFIG_BPF_PRELOAD_UMD=3Dy CONFIG_BPF_LSM=3Dy CONFIG_PREEMPT_VOLUNTARY=3Dy +CONFIG_SCHED_CORE=3Dy +CONFIG_VIRT_CPU_ACCOUNTING_GEN=3Dy +CONFIG_IRQ_TIME_ACCOUNTING=3Dy CONFIG_BSD_PROCESS_ACCT=3Dy +CONFIG_BSD_PROCESS_ACCT_V3=3Dy CONFIG_TASKSTATS=3Dy CONFIG_TASK_DELAY_ACCT=3Dy CONFIG_TASK_XACCT=3Dy CONFIG_TASK_IO_ACCOUNTING=3Dy +CONFIG_PSI=3Dy +CONFIG_PSI_DEFAULT_DISABLED=3Dy CONFIG_LOG_BUF_SHIFT=3D18 -CONFIG_CGROUPS=3Dy +CONFIG_PRINTK_INDEX=3Dy +CONFIG_UCLAMP_TASK=3Dy +CONFIG_NUMA_BALANCING=3Dy +CONFIG_MEMCG=3Dy +CONFIG_MEMCG_V1=3Dy CONFIG_BLK_CGROUP=3Dy -CONFIG_CGROUP_SCHED=3Dy +CONFIG_CFS_BANDWIDTH=3Dy +CONFIG_UCLAMP_TASK_GROUP=3Dy CONFIG_CGROUP_PIDS=3Dy CONFIG_CGROUP_RDMA=3Dy +CONFIG_CGROUP_DMEM=3Dy CONFIG_CGROUP_FREEZER=3Dy CONFIG_CGROUP_HUGETLB=3Dy CONFIG_CPUSETS=3Dy +CONFIG_CPUSETS_V1=3Dy CONFIG_CGROUP_DEVICE=3Dy CONFIG_CGROUP_CPUACCT=3Dy CONFIG_CGROUP_PERF=3Dy CONFIG_CGROUP_BPF=3Dy CONFIG_CGROUP_MISC=3Dy CONFIG_CGROUP_DEBUG=3Dy +CONFIG_NAMESPACES=3Dy +CONFIG_USER_NS=3Dy +CONFIG_CHECKPOINT_RESTORE=3Dy +CONFIG_SCHED_AUTOGROUP=3Dy +CONFIG_SYSFS_SYSCALL=3Dy +CONFIG_EXPERT=3Dy CONFIG_KALLSYMS_ALL=3Dy CONFIG_PROFILING=3Dy CONFIG_KEXEC=3Dy @@ -298,7 +318,6 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=3Dy CONFIG_PRINTK_TIME=3Dy CONFIG_BOOT_PRINTK_DELAY=3Dy CONFIG_DYNAMIC_DEBUG=3Dy -CONFIG_DEBUG_KERNEL=3Dy CONFIG_STRIP_ASM_SYMS=3Dy CONFIG_HEADERS_INSTALL=3Dy CONFIG_DEBUG_SECTION_MISMATCH=3Dy --=20 2.45.2