kernel 6.8

README.md

@@ -22,15 +22,15 @@ sudo bash kernel.sh [branch] [version] [compile]
 Exemple :
 
 ```bash
-sudo bash kernel.sh 6.x 6.6.10
+sudo bash kernel.sh 6.x 6.8
 ```
 
 ## Résultats
 
-- linux-headers-6.6.10-zogg-amd64_6.6.10-1_amd64.deb : 8.4 Mo
+- linux-headers-6.8.0-zogg-amd64_6.8.0-1_amd64.deb : 8.6 Mo
-- linux-image-6.6.10-zogg-amd64_6.6.10-1_amd64.deb : 20 Mo
+- linux-image-6.8.0-zogg-amd64-dbg_6.8.0-1_amd64.deb : 181 Mo
-- linux-image-6.6.10-zogg-amd64-dbg_6.6.10-1_amd64.deb : 151 Mo
+- linux-image-6.8.0-zogg-amd64_6.8.0-1_amd64.deb : 21 Mo
-- linux-libc-dev_6.6.10-1_amd64.deb : 1.3 Mo
+- linux-libc-dev_6.8.0-1_amd64.deb : 1.3 Mo
 
 ## TODO
 
@@ -40,11 +40,16 @@ sudo bash kernel.sh 6.x 6.6.10
 
 ## CHANGELOG
 
+### 2024-03-11
+
+- Mise à jour Kernel 6.8
+- Mise à jour de la configuration du patch 'more uarch' (6.8-rc4+)
+
 ### 2024-03-02
 
 - Modularisation des options par variable de conditionnement
 - Ajout du 'Fast Kernel Headers' (désactivé pour le moment)
-- Ajustment des options permettant l'instalaltion de pilote Nvidia
+- Ajustment des options permettant l'installation de pilote Nvidia
 - IPv6 remis (sinon certains conteneurs déconnent)
 
 ### 2024-02-23

kernel.sh

@@ -1,19 +1,21 @@
 #!/bin/bash
-UPDATED="2024-03-02"
+UPDATED="2024-03-11"
 
 DISABLE=1        # disable some options
 ENABLE=1         # enable some options
 MITIGATIONS=0    # enable/disable all mitigations
 UARCH=1          # apply more uarch patch
 FKH=0            # apply fast kernel headers patch
-TESTING=0        # add testing options
-UNCOMPRESS=1     # perform uncompress if already exist
-CLEANUP=1        # perform folder cleanup
 CLANG=0          # use Clang compiler (if not, use GCC)
+O3=1             # use -O3 vs -O2 (optimisation)
 ARCH="x86-64-v4" # target architecture (uarch patch)
 CONFIGCLOUD=1    # enable cloud 'from' config
 CONFIGOLD=1      # enable old def config
 CONFIGMOD=0      # enable all mod config
+SCRATCH=0        # perform from scratch (remove preexisting content)
+UNCOMPRESS=1     # perform uncompress if already exist
+CLEANUP=1        # perform folder cleanup
+TESTING=0        # add testing options
 
 #
 # Sources:
@@ -30,7 +32,7 @@ CONFIGMOD=0      # enable all mod config
 
 # more-uarches-for-kernel.patch:
 #   https://github.com/graysky2/kernel_compiler_patch
-#       more-uarches-for-kernel.patch : more-uarches-for-kernel-6.1.79-6.8-rc3.patch
+#       more-uarches-for-kernel.patch : more-uarches-for-kernel-6.8-rc4+.patch
 #
 
 #
@@ -138,17 +140,29 @@ doEchoStep() {
     echo "### $NOW - $1"
 }
 
+# Scratch
+doScratch() {
+    if [ $SCRATCH == 1 ]; then
+        if [ -d $WORKDIR ]; then
+            doEchoStep "Scratch: remove existing content"
+            rm -rf $WORKDIR
+        else
+            doEchoStep "Scratch: existing previous content not found"
+        fi
+    fi
+}
+
 # Download
 doDownload() {
-    if [ -d $WORKDIR ]; then
+    if [[ -d $WORKDIR && -f $WORKDIR/linux-$VERSION.tar.xz ]]; then
         doEchoStep "$BRANCH/$VERSION already present (don't download)"
     else
         mkdir -p $WORKDIR
         cd $WORKDIR
 
         doEchoStep "Download branch '$BRANCH' version '$VERSION'"
-        wget --inet4-only https://cdn.kernel.org/pub/linux/kernel/v$BRANCH/linux-$VERSION.tar.sign
+        wget --compression=auto --show-progress --no-verbose --inet4-only https://cdn.kernel.org/pub/linux/kernel/v$BRANCH/linux-$VERSION.tar.sign
-        wget --inet4-only https://cdn.kernel.org/pub/linux/kernel/v$BRANCH/linux-$VERSION.tar.xz
+        wget --compression=auto --show-progress --no-verbose --inet4-only https://cdn.kernel.org/pub/linux/kernel/v$BRANCH/linux-$VERSION.tar.xz
         doSync
 
         result=$?
@@ -367,6 +381,7 @@ doDefaultsDisable() {
         if [ -f .config ]; then
             cp .config .config.disable.before
         fi
+        ./scripts/config --disable CONFIG_WERROR
         ./scripts/config --disable CONFIG_ACCESSIBILITY
         ./scripts/config --disable CONFIG_ACORN_PARTITION
         ./scripts/config --disable CONFIG_ACPI_DEBUG
@@ -680,6 +695,8 @@ doDefaultsDisable() {
         ./scripts/config --disable CONFIG_X86_UMIP
         ./scripts/config --disable CONFIG_X86_USER_SHADOW_STACK
         ./scripts/config --disable CONFIG_X86_SGX_KVM
+        ./scripts/config --disable CONFIG_PRINTK
+        ./scripts/config --disable CONFIG_BUG
 
         cp .config .config.disable.after
     fi
@@ -875,7 +892,6 @@ doDefaultsEnable() {
         ./scripts/config --enable FAIR_GROUP_SCHED
         ./scripts/config --enable VIRTIO_MENU
         ./scripts/config --enable ZRAM_DEF_COMP_ZSTD
-        ./scripts/config --enable CONFIG_WERROR
         ./scripts/config --enable CONFIG_ATA
         ./scripts/config --enable CONFIG_ATA_SFF
         ./scripts/config --enable CONFIG_ATA_BMDMA
@@ -1076,6 +1092,7 @@ doDefaultsEnable() {
         ./scripts/config --enable CONFIG_STRICT_DEVMEM
         ./scripts/config --enable CONFIG_IO_STRICT_DEVMEM
         ./scripts/config --enable CONFIG_IPV6
+        ./scripts/config --enable CONFIG_KSM
         ./scripts/config --enable CONFIG_COMPILE_TEST
 
         case ${ARCH} in
@@ -1245,15 +1262,28 @@ doCompile() {
     doStripSig
     doStripDebug
 
+    if [ $O3 == 1 ]; then
+        GCCO="3"
+    else
+        GCCO="2"
+    fi
+
     doEchoStep "Compilation time... Be patient!"
-    export MAKEFLAGS="-j$((NPROC + 1)) -l${NPROC} -Werror=maybe-uninitialized -Werror=nonnull -Wno-maybe-uninitialized -Wno-uninitialized -Wno-free-nonheap-object -Wno-nonnull"
+    # export MAKEFLAGS="-j$((NPROC + 1)) -l${NPROC} -Werror=maybe-uninitialized -Werror=nonnull -Wno-maybe-uninitialized -Wno-uninitialized -Wno-free-nonheap-object -Wno-nonnull"
-    export CFLAGS="-march=${ARCH} -O2 -flto -pipe"
+    export MAKEFLAGS="-j$((NPROC + 1)) -l${NPROC} -Wno-error"
-    export CXXFLAGS="-march=${ARCH} -O2 -flto -pipe"
+    export CFLAGS="-march=${ARCH} -O${GCCO} -flto -pipe -msse -msse2 -msse3 -mmmx"
-    export KCFLAGS=" -march=${ARCH} -O2"
+    export CXXFLAGS="${CFLAGS}"
-    export KCPPFLAGS=" -march=${ARCH} -O2"
+    export KCFLAGS="-march=${ARCH} -O${GCCO}"
+    export KCPPFLAGS="${KCFLAGS}"
     set CONFIG_SITE=/etc/dpkg-cross/cross-config.amd64
     set DEB_BUILD_OPTIONS=nocheck
 
+    doEchoStep "MAKEFLAGS: $MAKEFLAGS"
+    doEchoStep "CFLAGS: $CFLAGS"
+    doEchoStep "CXXFLAGS: $CXXFLAGS"
+    doEchoStep "KCFLAGS: $KCFLAGS"
+    doEchoStep "KCPPFLAGS: $KCPPFLAGS"
+
     doEchoStep "make bindeb-pkg"
     if [ "$CLANG" == "1" ]; then
         make \
@@ -1289,8 +1319,15 @@ doCompile() {
 doKernel() {
     WORKDIR=$CURRENT/$BRANCH/$VERSION
 
+    doScratch
+    if [ ! -d $WORKDIR ]; then
+        mkdir -p $WORKDIR
+    fi
+
     LOGFILE=$WORKDIR/$LOGNAME.$LOGEXT
+    if [ -f $LOGFILE ]; then
         rm -rf $LOGFILE
+    fi
     touch $LOGFILE
 
     if [ "$STEPS" != "compile" ]; then

more-uarches-for-kernel.patch

@@ -101,13 +101,13 @@ REFERENCES
 4.  https://github.com/graysky2/kernel_gcc_patch/issues/15
 5.  http://www.linuxforge.net/docs/linux/linux-gcc.php
 ---
- arch/x86/Kconfig.cpu            | 427 ++++++++++++++++++++++++++++++--
+ arch/x86/Kconfig.cpu            | 424 ++++++++++++++++++++++++++++++--
  arch/x86/Makefile               |  44 +++-
  arch/x86/include/asm/vermagic.h |  74 ++++++
- 3 files changed, 528 insertions(+), 17 deletions(-)
+ 3 files changed, 526 insertions(+), 16 deletions(-)
 
 diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
-index 87396575c..5ac6e8463 100644
+index 2a7279d80460a..6924a0f5f1c26 100644
 --- a/arch/x86/Kconfig.cpu
 +++ b/arch/x86/Kconfig.cpu
 @@ -157,7 +157,7 @@ config MPENTIUM4
@@ -569,7 +569,7 @@ index 87396575c..5ac6e8463 100644
  
  #
  # P6_NOPs are a relatively minor optimization that require a family >=
-@@ -356,32 +722,63 @@ config X86_USE_PPRO_CHECKSUM
+@@ -356,11 +722,22 @@ config X86_USE_PPRO_CHECKSUM
  config X86_P6_NOP
  	def_bool y
  	depends on X86_64
@@ -592,9 +592,13 @@ index 87396575c..5ac6e8463 100644
 +	|| MTIGERLAKE || MSAPPHIRERAPIDS || MROCKETLAKE || MALDERLAKE || MRAPTORLAKE || MMETEORLAKE || MEMERALDRAPIDS \
 +	|| MNATIVE_INTEL || MNATIVE_AMD) || X86_64
  
+ config X86_HAVE_PAE
+ 	def_bool y
+@@ -368,18 +745,37 @@ config X86_HAVE_PAE
+ 
  config X86_CMPXCHG64
  	def_bool y
--	depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586TSC || M586MMX || MATOM || MGEODE_LX || MGEODEGX1 || MK6 || MK7 || MK8
+-	depends on X86_HAVE_PAE || M586TSC || M586MMX || MK6 || MK7
 +	depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 \
 +	|| M586TSC || M586MMX || MATOM || MGEODE_LX || MGEODEGX1 || MK6 || MK7 || MK8 || MK8SSE3 || MK10 \
 +	|| MBARCELONA || MBOBCAT || MJAGUAR || MBULLDOZER || MPILEDRIVER || MSTEAMROLLER || MEXCAVATOR || MZEN \
@@ -631,16 +635,8 @@ index 87396575c..5ac6e8463 100644
  	default "5" if X86_32 && X86_CMPXCHG64
  	default "4"
  
- config X86_DEBUGCTLMSR
- 	def_bool y
--	depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486SX || M486) && !UML
-+	depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 \
-+	|| M486SX || M486) && !UML
-
- config IA32_FEAT_CTL
- 	def_bool y
 diff --git a/arch/x86/Makefile b/arch/x86/Makefile
-index 1a068de12..23b2ec69d 100644
+index da8f3caf27815..c873d10df15d0 100644
 --- a/arch/x86/Makefile
 +++ b/arch/x86/Makefile
 @@ -152,8 +152,48 @@ else
@@ -695,7 +691,7 @@ index 1a068de12..23b2ec69d 100644
          KBUILD_CFLAGS += $(cflags-y)
  
 diff --git a/arch/x86/include/asm/vermagic.h b/arch/x86/include/asm/vermagic.h
-index 75884d2cd..02c1386eb 100644
+index 75884d2cdec37..02c1386eb653e 100644
 --- a/arch/x86/include/asm/vermagic.h
 +++ b/arch/x86/include/asm/vermagic.h
 @@ -17,6 +17,54 @@
@@ -787,4 +783,5 @@ index 75884d2cd..02c1386eb 100644
  #define MODULE_PROC_FAMILY "ELAN "
  #elif defined CONFIG_MCRUSOE
 -- 
-2.43.0.232.ge79552d197
+2.43.2
+