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Thu, 20 Aug 2026 23:53:42 -0700 (PDT) Received: from localhost.localdomain ([185.98.168.14]) by smtp.gmail.com with UTF8SMTPSA id 00721157ae682-84511abb205sm35680037b3.6.2026.08.20.23.53.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Aug 2026 23:53:41 -0700 (PDT) From: Demi Marie Obenour Date: Fri, 21 Aug 2026 02:51:48 -0400 Subject: [PATCH v7 05/19] host/rootfs: Enable controllers in non-root cgroups MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260821-cgroups-v7-5-7f1870dedefc@gmail.com> References: <20260821-cgroups-v7-0-7f1870dedefc@gmail.com> In-Reply-To: <20260821-cgroups-v7-0-7f1870dedefc@gmail.com> To: Spectrum OS Development X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1787295104; l=823; i=demiobenour@gmail.com; s=20250729; h=from:subject:message-id; bh=hJ1NUOnyGVfiVBpEokZyDLPqDWxQswq+YNjY9cVekvw=; b=8c4VteNbDfCUwGXYkXzpHYzygSk4eLYLeAVAjiubdGf2I0gp4fB7sFUda+EWx/uVRlp/ZrI4Z e9a1OD2wzpXANxKLVjPDPDiJtpzlZBPX23nhSrtrPydZ2blWQWDQP6o X-Developer-Key: i=demiobenour@gmail.com; a=ed25519; pk=X57Q4/YQDj9t4SBeKaDwvXYKB6quZJVx/DE2Ly2out0= Message-ID-Hash: L2LHHWE7FEJPN46WEYRZNQFEYXEJSKR2 X-Message-ID-Hash: L2LHHWE7FEJPN46WEYRZNQFEYXEJSKR2 X-MailFrom: demiobenour@gmail.com X-Mailman-Rule-Hits: member-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.spectrum-os.org-0; header-match-devel.spectrum-os.org-1; header-match-devel.spectrum-os.org-2; header-match-devel.spectrum-os.org-3; header-match-devel.spectrum-os.org-4; emergency CC: Demi Marie Obenour , Alyssa Ross X-Mailman-Version: 3.3.10 Precedence: list List-Id: Patches and low-level development discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: This is done with sed and execline to avoid special-cases in the cgroup manager. Signed-off-by: Demi Marie Obenour --- host/rootfs/image/etc/init | 3 +++ 1 file changed, 3 insertions(+) diff --git a/host/rootfs/image/etc/init b/host/rootfs/image/etc/init index 8ec7859ab00e24007a93d4000c8f34e353de50ae..2ab09d272702c0ea9daf6cf8bc880645a32eb2f0 100755 --- a/host/rootfs/image/etc/init +++ b/host/rootfs/image/etc/init @@ -12,4 +12,7 @@ if { /bin/ln -s /proc/self/fd/2 /dev/stderr } if { /bin/mount --make-shared / } if { /bin/mount -a --mkdir } +# Enable subtree control of all cgroups. +if { sed -nE "s/(^| )/&+/g; w /sys/fs/cgroup/cgroup.subtree_control" /sys/fs/cgroup/cgroup.controllers } + /bin/s6-linux-init -c /etc/s6-linux-init -s /run/param -- $@ -- 2.55.0