From 6147e9f88d7e4686ad019c3e78e6f484d0c0d3ff Mon Sep 17 00:00:00 2001
From: Tk-Glitch <ti3nou@gmail.com>
Date: Fri, 26 Feb 2021 22:11:35 +0100
Subject: [PATCH] Default to tickless idle independently of the CPU scheduler

This seems to be the best balance overall.
We were using it by default for MuQSS only before.
---
 linux-tkg-config/prepare | 35 +++++++++++------------------------
 1 file changed, 11 insertions(+), 24 deletions(-)

diff --git a/linux-tkg-config/prepare b/linux-tkg-config/prepare
index f276356..518f38d 100644
--- a/linux-tkg-config/prepare
+++ b/linux-tkg-config/prepare
@@ -974,11 +974,7 @@ CONFIG_DEBUG_INFO_BTF_MODULES=y\n
     plain "Use CattaRappa mode (Tickless/Dynticks) ?"
     plain "Can give higher performances in many cases but lower consistency on some hardware."
     plain "Just tickless idle can perform better with some platforms (mostly AMD) or CPU schedulers (mostly MuQSS)."
-    if [ "${_cpusched}" = "MuQSS" ]; then
-      read -rp "`echo $'\n      0.No, use periodic ticks\n      1.Yes, full tickless baby!\n    > 2.Just tickless idle plz\n    [0-2?]: '`" CONDITION4;
-    else
-      read -rp "`echo $'\n      0.No, use periodic ticks\n    > 1.Yes, full tickless baby!\n      2.Just tickless idle plz\n    [0-2?]: '`" CONDITION4;
-    fi
+    read -rp "`echo $'\n      0.No, use periodic ticks\n      1.Yes, full tickless baby!\n    > 2.Just tickless idle plz\n    [0-2?]: '`" CONDITION4;
   fi
   if [ "$CONDITION4" = "0" ] || [ "$_tickless" = "0" ]; then
     echo "# CONFIG_NO_HZ_FULL_NODEF is not set" >> ./.config
@@ -987,31 +983,22 @@ CONFIG_DEBUG_INFO_BTF_MODULES=y\n
     sed -i -e 's/CONFIG_NO_HZ_FULL=y/# CONFIG_NO_HZ_FULL is not set/' ./.config
     sed -i -e 's/CONFIG_NO_HZ=y/# CONFIG_NO_HZ is not set/' ./.config
     sed -i -e 's/CONFIG_NO_HZ_COMMON=y/# CONFIG_NO_HZ_COMMON is not set/' ./.config
-  elif [ "$CONDITION4" = "2" ] || [ "$_tickless" = "2" ]; then
+  elif [ "$CONDITION4" = "2" ] || [ "$_tickless" = "1" ]; then
+    echo "CONFIG_NO_HZ_FULL_NODEF=y" >> ./.config
+    sed -i -e 's/CONFIG_HZ_PERIODIC=y/# CONFIG_HZ_PERIODIC is not set/' ./.config
+    sed -i -e 's/CONFIG_NO_HZ_IDLE=y/# CONFIG_NO_HZ_IDLE is not set/' ./.config
+    sed -i -e 's/# CONFIG_NO_HZ_FULL is not set/CONFIG_NO_HZ_FULL=y/' ./.config
+    sed -i -e 's/# CONFIG_NO_HZ is not set/CONFIG_NO_HZ=y/' ./.config
+    sed -i -e 's/# CONFIG_NO_HZ_COMMON is not set/CONFIG_NO_HZ_COMMON=y/' ./.config
+    echo "CONFIG_CONTEXT_TRACKING=y" >> ./.config
+    echo "# CONFIG_CONTEXT_TRACKING_FORCE is not set" >> ./.config
+  else
     echo "# CONFIG_NO_HZ_FULL_NODEF is not set" >> ./.config
     sed -i -e 's/CONFIG_HZ_PERIODIC=y/# CONFIG_HZ_PERIODIC is not set/' ./.config
     sed -i -e 's/# CONFIG_NO_HZ_IDLE is not set/CONFIG_NO_HZ_IDLE=y/' ./.config
     sed -i -e 's/CONFIG_NO_HZ_FULL=y/# CONFIG_NO_HZ_FULL is not set/' ./.config
     sed -i -e 's/# CONFIG_NO_HZ is not set/CONFIG_NO_HZ=y/' ./.config
     sed -i -e 's/# CONFIG_NO_HZ_COMMON is not set/CONFIG_NO_HZ_COMMON=y/' ./.config
-  else
-    if [ "${_cpusched}" = "MuQSS" ]; then
-      echo "# CONFIG_NO_HZ_FULL_NODEF is not set" >> ./.config
-      sed -i -e 's/CONFIG_HZ_PERIODIC=y/# CONFIG_HZ_PERIODIC is not set/' ./.config
-      sed -i -e 's/# CONFIG_NO_HZ_IDLE is not set/CONFIG_NO_HZ_IDLE=y/' ./.config
-      sed -i -e 's/CONFIG_NO_HZ_FULL=y/# CONFIG_NO_HZ_FULL is not set/' ./.config
-      sed -i -e 's/# CONFIG_NO_HZ is not set/CONFIG_NO_HZ=y/' ./.config
-      sed -i -e 's/# CONFIG_NO_HZ_COMMON is not set/CONFIG_NO_HZ_COMMON=y/' ./.config
-    else
-      echo "CONFIG_NO_HZ_FULL_NODEF=y" >> ./.config
-      sed -i -e 's/CONFIG_HZ_PERIODIC=y/# CONFIG_HZ_PERIODIC is not set/' ./.config
-      sed -i -e 's/CONFIG_NO_HZ_IDLE=y/# CONFIG_NO_HZ_IDLE is not set/' ./.config
-      sed -i -e 's/# CONFIG_NO_HZ_FULL is not set/CONFIG_NO_HZ_FULL=y/' ./.config
-      sed -i -e 's/# CONFIG_NO_HZ is not set/CONFIG_NO_HZ=y/' ./.config
-      sed -i -e 's/# CONFIG_NO_HZ_COMMON is not set/CONFIG_NO_HZ_COMMON=y/' ./.config
-      echo "CONFIG_CONTEXT_TRACKING=y" >> ./.config
-      echo "# CONFIG_CONTEXT_TRACKING_FORCE is not set" >> ./.config
-    fi
   fi
 
   # voluntary preempt