linux57-tkg: Update BMQ to Project C v5.7-r2

http://cchalpha.blogspot.com/2020/06/project-c-v575-r2-release.html

( + hotfix - https://gitlab.com/alfredchen/projectc/-/issues/18 )

linux57-tkg/PKGBUILD

@@ -54,7 +54,7 @@ fi
 # CPU SCHED selector
 if [ -z "$_cpusched" ] && [ ! -e "$_where"/cpuschedset ]; then
   plain "What CPU sched variant do you want to build/install?"
-  read -rp "`echo $'  > 1.PDS\n    2.MuQSS\n    3.BMQ\n    4.CFS\nchoice[1-4?]: '`" CONDITION;
+  read -rp "`echo $'  > 1.PDS\n    2.MuQSS\n    3.Project C / BMQ\n    4.CFS\nchoice[1-4?]: '`" CONDITION;
   if [ "$CONDITION" == "2" ]; then
     echo "_cpusched=\"MuQSS\"" > "$_where"/cpuschedset
   elif [ "$CONDITION" == "3" ]; then
@@ -89,7 +89,7 @@ pkgname=("${pkgbase}" "${pkgbase}-headers")
 _basekernel=5.7
 _sub=7
 pkgver="${_basekernel}"."${_sub}"
-pkgrel=15
+pkgrel=16
 pkgdesc='Linux-tkg'
 arch=('x86_64') # no i686 in here
 url="http://www.kernel.org/"
@@ -121,7 +121,7 @@ source=("https://www.kernel.org/pub/linux/kernel/v5.x/linux-${_basekernel}.tar.x
         0008-5.7-bcachefs.patch
         0009-glitched-ondemand-bmq.patch
         0009-glitched-bmq.patch
-        0009-bmq_v5.7-r1.patch
+        0009-prjc_v5.7-r2.patch
         0011-ZFS-fix.patch
         #0012-linux-hardened.patch
 )
@@ -146,7 +146,7 @@ sha256sums=('de8163bb62f822d84f7a3983574ec460060bf013a78ff79cd7c979ff1ec1d7e0'
             'b89d5c0e242ab2515211bf02de3098df9c0a51fe36a679817f9cb15e2e5e2b8b'
             '9fad4a40449e09522899955762c8928ae17f4cdaa16e01239fd12592e9d58177'
             '965a517a283f265a012545fbb5cc9e516efc9f6166d2aa1baf7293a32a1086b7'
-            '72eaeaed0749b5853b28678869e69a08883e4b0b4894eb4c8c6958e7de692638'
+            'eb6697a5b1fb4e103c5725dc209b8f25a4e0f70a37ea147f91d1b15e360a66b4'
             '49262ce4a8089fa70275aad742fc914baa28d9c384f710c9a62f64796d13e104')
 
 export KBUILD_BUILD_HOST=archlinux
@@ -420,8 +420,9 @@ function exit_cleanup {
     rm -f "$srcdir"/linux-${_basekernel}/kernel/sched/pds_sched.h
 
     rm -f "$srcdir"/linux-${_basekernel}/Documentation/scheduler/sched-BMQ.txt
-    rm -f "$srcdir"/linux-${_basekernel}/kernel/sched/bmq.c
+    rm -f "$srcdir"/linux-${_basekernel}/kernel/sched/alt_core.c
-    rm -f "$srcdir"/linux-${_basekernel}/kernel/sched/bmq_sched.h
+    rm -f "$srcdir"/linux-${_basekernel}/kernel/sched/sched/alt_debug.c
+    rm -f "$srcdir"/linux-${_basekernel}/kernel/sched/alt_sched.h
 
     rm -f "$srcdir"/linux-${_basekernel}/Documentation/scheduler/sched-BFS.txt
     rm -f "$srcdir"/linux-${_basekernel}/Documentation/scheduler/sched-MuQSS.txt

linux57-tkg/README.md

@@ -1,10 +1,12 @@
 **Due to intel_pstate poor performances as of late, I have decided to set it to passive mode to make use of the acpi_cpufreq governors passthrough, keeping full support for turbo frequencies.**
 
-A custom Linux kernel 5.7.y with specific PDS and BMQ CPU schedulers related patchsets selector (stock CFS is also an option) and added tweaks for a nice interactivity/performance balance, aiming for the best gaming experience.
+A custom Linux kernel 5.7.y with specific PDS, MuQSS and Project C / BMQ CPU schedulers related patchsets selector (stock CFS is also an option) and added tweaks for a nice interactivity/performance balance, aiming for the best gaming experience.
 
 Various personalization options available and userpatches support (put your own patches in the same dir as the PKGBUILD, with the ".mypatch" extension.
 
-BMQ : http://cchalpha.blogspot.com/
+MuQSS : http://ck-hack.blogspot.com/
+
+Project C / BMQ : http://cchalpha.blogspot.com/
 
 PDS-mq was originally created by Alfred Chen : http://cchalpha.blogspot.com/
 

linux57-tkg/linux57-tkg-config/prepare

@@ -43,8 +43,8 @@ _tkg_srcprep() {
     fi
     patch -Np1 -i ../0005-glitched-pds.patch
   elif [ "${_cpusched}" == "bmq" ]; then
-    # BMQ
+    # Project C / BMQ
-    patch -Np1 -i ../0009-bmq_v5.7-r1.patch
+    patch -Np1 -i ../0009-prjc_v5.7-r2.patch
     if [ "${_aggressive_ondemand}" == "true" ]; then
       patch -Np1 -i ../0009-glitched-ondemand-bmq.patch
     fi
@@ -134,7 +134,7 @@ _tkg_srcprep() {
     echo "CONFIG_SCHED_PDS=y" >> ./.config
   elif [ "${_cpusched}" == "bmq" ]; then
     # BMQ default config
-    echo "CONFIG_SCHED_BMQ=y" >> ./.config
+    echo "CONFIG_SCHED_ALT=y" >> ./.config
   fi
 
   if [ "${_cpusched}" == "MuQSS" ] || [ "${_cpusched}" == "pds" ] || [ "${_cpusched}" == "bmq" ]; then
@@ -164,14 +164,24 @@ _tkg_srcprep() {
       fi
     fi
     if [ "$CONDITION0" == "0" ]; then
+      if [ "${_cpusched}" == "bmq" ]; then
+        sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 0;/' ./kernel/sched/alt_core.c
+      else
         sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 0;/' ./kernel/sched/"${_cpusched}".c
+      fi
     elif [ "$CONDITION0" == "1" ]; then
       msg2 "Using default CPU sched yield type (1)"
     elif [ "$CONDITION0" == "2" ]; then
+      if [ "${_cpusched}" == "bmq" ]; then
+        sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 2;/' ./kernel/sched/alt_core.c
+      else
         sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 2;/' ./kernel/sched/"${_cpusched}".c
+      fi
     else
       if [ "${_cpusched}" == "MuQSS" ]; then
         msg2 "Using default CPU sched yield type (1)"
+      elif [ "${_cpusched}" == "bmq" ]; then
+        sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 0;/' ./kernel/sched/alt_core.c
       else
         sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 0;/' ./kernel/sched/"${_cpusched}".c
       fi
@@ -216,11 +226,11 @@ _tkg_srcprep() {
       elif [ "${_cpusched}" == "pds" ]; then
         sed -i -e "s/#define SCHED_DEFAULT_RR (4)/#define SCHED_DEFAULT_RR (${_rrvalue})/" ./kernel/sched/"${_cpusched}".c
       elif [ "${_cpusched}" == "bmq" ]; then
-        sed -i -e "s/u64 sched_timeslice_ns __read_mostly = (4 * 1000 * 1000);/u64 sched_timeslice_ns __read_mostly = (${_rrvalue} * 1000 * 1000);/" ./kernel/sched/"${_cpusched}".c
+        sed -i -e "s/u64 sched_timeslice_ns __read_mostly = (4 * 1000 * 1000);/u64 sched_timeslice_ns __read_mostly = (${_rrvalue} * 1000 * 1000);/" ./kernel/sched/alt_core.c
       fi
     else
       if [ "${_cpusched}" == "bmq" ]; then
-        sed -i -e "s/u64 sched_timeslice_ns __read_mostly = (4 * 1000 * 1000);/u64 sched_timeslice_ns __read_mostly = (2 * 1000 * 1000);/" ./kernel/sched/"${_cpusched}".c
+        sed -i -e "s/u64 sched_timeslice_ns __read_mostly = (4 * 1000 * 1000);/u64 sched_timeslice_ns __read_mostly = (2 * 1000 * 1000);/" ./kernel/sched/alt_core.c
       fi
     fi
   fi