kernel 5.7.8

1 files changed, 198 insertions, 0 deletions

diff --git a/SOURCES/process_configs.sh b/SOURCES/process_configs.sh
new file mode 100755
index 0000000..b464d95
--- /dev/null
+++ b/SOURCES/process_configs.sh
@@ -0,0 +1,198 @@
+#!/bin/bash
+#
+# This script takes the merged config files and processes them through oldconfig
+# and listnewconfig
+#
+
+usage()
+{
+	# alphabetical order please
+	echo "process_configs.sh [ options ] package_name kernel_version"
+	echo "     -a: report all errors, equivalent to [-c -n -w -i]"
+	echo "     -c: error on mismatched config options"
+	echo "     -i: continue on error"
+	echo "     -n: error on unset config options"
+	echo "     -t: test run, do not overwrite original config"
+	echo "     -w: error on misconfigured config options"
+	exit 1
+}
+
+die()
+{
+	echo "$1"
+	exit 1
+}
+
+# stupid function to find top of tree to do kernel make configs
+switch_to_toplevel()
+{
+	path="$(pwd)"
+	while test -n "$path"
+	do
+		test -e $path/MAINTAINERS && \
+			test -d $path/drivers && \
+			break
+
+		path="$(dirname $path)"
+	done
+
+	test -n "$path"  || die "Can't find toplevel"
+	echo "$path"
+}
+
+checkoptions()
+{
+	/usr/bin/awk '
+
+		/is not set/ {
+			split ($0, a, "#");
+			split(a[2], b);
+			if (NR==FNR) {
+				configs[b[1]]="is not set";
+			} else {
+				if (configs[b[1]] != "" && configs[b[1]] != "is not set")
+					 print "Found # "b[1] " is not set, after generation, had " b[1] " " configs[b[1]] " in Source tree";
+			}
+		}
+
+		/=/     {
+			split ($0, a, "=");
+			if (NR==FNR) {
+				configs[a[1]]=a[2];
+			} else {
+				if (configs[a[1]] != "" && configs[a[1]] != a[2])
+					 print "Found "a[1]"="a[2]" after generation, had " a[1]"="configs[a[1]]" in Source tree";
+			}
+		}
+	' $1 $2 > .mismatches
+
+	if test -s .mismatches
+	then
+		echo "Error: Mismatches found in configuration files"
+		cat .mismatches
+		RETURNCODE=1
+		[ "$CONTINUEONERROR" ] || exit 1
+	fi
+}
+
+function process_configs()
+{
+	# assume we are in $source_tree/configs, need to get to top level
+	pushd $(switch_to_toplevel) &>/dev/null
+
+	for cfg in $SCRIPT_DIR/${PACKAGE_NAME}${KVERREL}${SUBARCH}*.config
+	do
+		arch=$(head -1 $cfg | cut -b 3-)
+		cfgtmp="${cfg}.tmp"
+		cfgorig="${cfg}.orig"
+		cat $cfg > $cfgorig
+
+		if [ "$arch" = "EMPTY" ]
+		then
+			# This arch is intentionally left blank
+			continue
+		fi
+		echo -n "Processing $cfg ... "
+
+		make ARCH=$arch KCONFIG_CONFIG=$cfgorig listnewconfig >& .listnewconfig
+		grep -E 'CONFIG_' .listnewconfig > .newoptions
+		if test -n "$NEWOPTIONS" && test -s .newoptions
+		then
+			echo "Found unset config items, please set them to an appropriate value"
+			cat .newoptions
+			rm .newoptions
+			RETURNCODE=1
+			[ "$CONTINUEONERROR" ] || exit 1
+		fi
+		rm .newoptions
+
+		grep -E 'config.*warning' .listnewconfig > .warnings
+		if test -n "$CHECKWARNINGS" && test -s .warnings
+		then
+			echo "Found misconfigured config items, please set them to an appropriate value"
+			cat .warnings
+			rm .warnings
+			RETURNCODE=1
+			[ "$CONTINUEONERROR" ] || exit 1
+		fi
+		rm .warnings
+
+		rm .listnewconfig
+
+		make ARCH=$arch KCONFIG_CONFIG=$cfgorig olddefconfig > /dev/null || exit 1
+		echo "# $arch" > ${cfgtmp}
+		cat "${cfgorig}" >> ${cfgtmp}
+		if test -n "$CHECKOPTIONS"
+		then
+			checkoptions $cfg $cfgtmp
+		fi
+		# if test run, don't overwrite original
+		if test -n "$TESTRUN"
+		then
+			rm ${cfgtmp}
+		else
+			mv ${cfgtmp} ${cfg}
+		fi
+		rm ${cfgorig}
+		echo "done"
+	done
+	rm "$SCRIPT_DIR"/*.config*.old
+	popd > /dev/null
+
+	echo "Processed config files are in $SCRIPT_DIR"
+}
+
+CHECKOPTIONS=""
+CONTINUEONERROR=""
+NEWOPTIONS=""
+TESTRUN=""
+CHECKWARNINGS=""
+
+RETURNCODE=0
+
+while [[ $# -gt 0 ]]
+do
+	key="$1"
+	case $key in
+		-a)
+			CHECKOPTIONS="x"
+			CONTINUEONERROR="x"
+			NEWOPTIONS="x"
+			CHECKWARNINGS="x"
+			;;
+		-c)
+			CHECKOPTIONS="x"
+			;;
+		-h)
+			usage
+			;;
+		-i)
+			CONTINUEONERROR="x"
+			;;
+		-n)
+			NEWOPTIONS="x"
+			;;
+		-t)
+			TESTRUN="x"
+			;;
+		-w)
+			CHECKWARNINGS="x"
+			;;
+		*)
+			break;;
+	esac
+	shift
+done
+
+PACKAGE_NAME="${1:-kernel}" # defines the package name used
+KVERREL="$(test -n "$2" && echo "-$2" || echo "")"
+SUBARCH="$(test -n "$3" && echo "-$3" || echo "")"
+SCRIPT="$(readlink -f $0)"
+OUTPUT_DIR="$PWD"
+SCRIPT_DIR="$(dirname $SCRIPT)"
+
+# to handle this script being a symlink
+cd $SCRIPT_DIR
+
+process_configs
+exit $RETURNCODE