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authorNaoto Yamaguchi <naoto.yamaguchi@aisin.co.jp>2025-02-04 02:08:43 +0900
committerJan-Simon Moeller <jsmoeller@linuxfoundation.org>2025-02-11 10:41:05 +0000
commitb37b52944c309c0f1a4e06d2b241ea5b85625c9f (patch)
treeb3ac8fb909d46b5de5d3ac74d33259760e9ddf7e /meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi
parentd0811149804c8ee56bfc7fdbc7a6795f4a66eb97 (diff)
meta-agl-bsp: Re-enable memory cgroup support by default for Raspberry Pi
A downstream kernel for raspberry pi has patch to disabling cgroupv2 memory subsystem. It cause capability lost for resource controle. This patch add revert patch for it. Bug-AGL: SPEC-5345 Change-Id: I7c483acb9fbed2a0b536c8ce6a70ca28390b6370 Signed-off-by: Naoto Yamaguchi <naoto.yamaguchi@aisin.co.jp> Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/30798 ci-image-build: Jenkins Job builder account Tested-by: Jenkins Job builder account Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Diffstat (limited to 'meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi')
-rw-r--r--meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0001-Revert-cgroup-Disable-cgroup-memory-by-default.patch86
1 files changed, 86 insertions, 0 deletions
diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0001-Revert-cgroup-Disable-cgroup-memory-by-default.patch b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0001-Revert-cgroup-Disable-cgroup-memory-by-default.patch
new file mode 100644
index 000000000..3a0be628e
--- /dev/null
+++ b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0001-Revert-cgroup-Disable-cgroup-memory-by-default.patch
@@ -0,0 +1,86 @@
+From eec171e22de23a8bb7321da2bd405a95d4521f92 Mon Sep 17 00:00:00 2001
+From: Naoto Yamaguchi <naoto.yamaguchi@aisin.co.jp>
+Date: Tue, 4 Feb 2025 00:55:36 +0900
+Subject: [PATCH] Revert "cgroup: Disable cgroup "memory" by default"
+
+This reverts commit 94a23e978235cd35f38075072b34152b2b667e6e.
+
+Upstream-Status: Pending
+
+---
+ kernel/cgroup/cgroup.c | 38 --------------------------------------
+ 1 file changed, 38 deletions(-)
+
+diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
+index 5165f5ccd1b4..518725b57200 100644
+--- a/kernel/cgroup/cgroup.c
++++ b/kernel/cgroup/cgroup.c
+@@ -6051,9 +6051,6 @@ int __init cgroup_init_early(void)
+ return 0;
+ }
+
+-static u16 cgroup_enable_mask __initdata;
+-static int __init cgroup_disable(char *str);
+-
+ /**
+ * cgroup_init - cgroup initialization
+ *
+@@ -6087,12 +6084,6 @@ int __init cgroup_init(void)
+
+ cgroup_unlock();
+
+- /*
+- * Apply an implicit disable, knowing that an explicit enable will
+- * prevent if from doing anything.
+- */
+- cgroup_disable("memory");
+-
+ for_each_subsys(ss, ssid) {
+ if (ss->early_init) {
+ struct cgroup_subsys_state *css =
+@@ -6733,10 +6724,6 @@ static int __init cgroup_disable(char *str)
+ strcmp(token, ss->legacy_name))
+ continue;
+
+- /* An explicit cgroup_enable overrides a disable */
+- if (cgroup_enable_mask & (1 << i))
+- continue;
+-
+ static_branch_disable(cgroup_subsys_enabled_key[i]);
+ pr_info("Disabling %s control group subsystem\n",
+ ss->name);
+@@ -6755,31 +6742,6 @@ static int __init cgroup_disable(char *str)
+ }
+ __setup("cgroup_disable=", cgroup_disable);
+
+-static int __init cgroup_enable(char *str)
+-{
+- struct cgroup_subsys *ss;
+- char *token;
+- int i;
+-
+- while ((token = strsep(&str, ",")) != NULL) {
+- if (!*token)
+- continue;
+-
+- for_each_subsys(ss, i) {
+- if (strcmp(token, ss->name) &&
+- strcmp(token, ss->legacy_name))
+- continue;
+-
+- cgroup_enable_mask |= 1 << i;
+- static_branch_enable(cgroup_subsys_enabled_key[i]);
+- pr_info("Enabling %s control group subsystem\n",
+- ss->name);
+- }
+- }
+- return 1;
+-}
+-__setup("cgroup_enable=", cgroup_enable);
+-
+ void __init __weak enable_debug_cgroup(void) { }
+
+ static int __init enable_cgroup_debug(char *str)
+--
+2.43.0
+