From: Colin Cross <ccross@android.com>
Date: Mon, 22 Nov 2010 18:58:17 +0000 (-0800)
Subject: ARM: tegra: stingray: HACK: Disable cgroups
X-Git-Tag: firefly_0821_release~9834^2~324
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7e5a5b6de879e90f2c336a987bb6a5028b0b5f9c;p=firefly-linux-kernel-4.4.55.git

ARM: tegra: stingray: HACK: Disable cgroups

Adding a task to cgroups is very slow on SMP because of a
call to synchronize_rcu().  Disable cgroups for now.

Change-Id: I6f3ae0559eead400ffd0d60fb017cbed4e011aaa
Signed-off-by: Colin Cross <ccross@android.com>
---

diff --git a/arch/arm/configs/stingray_defconfig b/arch/arm/configs/stingray_defconfig
index 1ebc211863fd..ef1aa9310590 100755
--- a/arch/arm/configs/stingray_defconfig
+++ b/arch/arm/configs/stingray_defconfig
@@ -66,7 +66,7 @@ CONFIG_RCU_FAST_NO_HZ=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=17
-CONFIG_CGROUPS=y
+# CONFIG_CGROUPS is not set
 CONFIG_CGROUP_DEBUG=y
 # CONFIG_CGROUP_NS is not set
 CONFIG_CGROUP_FREEZER=y